Thursday, 28 June 2012

Laniroif


Generic Name: butalbital and aspirin combination (Oral route)


Commonly used brand name(s)

In the U.S.


  • Fiorinal

  • Fortabs

  • Laniroif

Available Dosage Forms:


  • Tablet

  • Capsule

Uses For Laniroif


Butalbital and aspirin combination is a pain reliever and relaxant. It is used to treat tension headaches. Butalbital belongs to the group of medicines called barbiturates. Barbiturates act in the central nervous system (CNS) to produce their effects.


When you use butalbital for a long time, your body may get used to it so that larger amounts are needed to produce the same effects. This is called tolerance to the medicine. Also, butalbital may become habit-forming (causing mental or physical dependence) when it is used for a long time or in large doses. Physical dependence may lead to withdrawal side effects when you stop taking the medicine. In patients who get headaches, the first symptom of withdrawal may be new (rebound) headaches.


Some of these medicines also contain caffeine. Caffeine may help to relieve headaches. However, caffeine can also cause physical dependence when it is used for a long time. This may lead to withdrawal (rebound) headaches when you stop taking it.


Butalbital and aspirin combination is sometimes also used for other kinds of headaches or other kinds of pain, as determined by your doctor.


These medicines are available only with your doctor's prescription.


Before Using Laniroif


Allergies


Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Pediatric


For butalbital:


  • Although barbiturates such as butalbital often cause drowsiness, some children become excited after taking them.

For aspirin:


  • Do not give a medicine containing aspirin to a child with fever or other symptoms of a virus infection, especially flu or chickenpox, without first discussing its use with your child's doctor. This is very important because aspirin may cause a serious illness called Reye's syndrome in children with fever caused by a virus infection, especially flu or chickenpox. Children who do not have a virus infection may also be more sensitive to the effects of aspirin, especially if they have a fever or have lost large amounts of body fluid because of vomiting, diarrhea, or sweating. This may increase the chance of side effects during treatment.

For caffeine:


  • There is no specific information comparing use of caffeine in children up to 12 years of age with use in other age groups. However, caffeine is not expected to cause different side effects or problems in children than it does in adults.

Geriatric


For butalbital:


  • Confusion, depression, or excitement may be especially likely to occur in elderly patients, who are usually more sensitive than younger adults to the effects of butalbital.

For aspirin:


  • Elderly patients are more sensitive than younger adults to the effects of aspirin. This may increase the chance of side effects during treatment.

For caffeine:


  • Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of caffeine in the elderly with use in other age groups.

Pregnancy


For butalbital:


  • Barbiturates such as butalbital have been shown to increase the chance of birth defects in humans. Also, one study in humans has suggested that barbiturates taken during pregnancy may increase the chance of brain tumors in the baby. Butalbital may cause breathing problems in the newborn baby if taken just before or during delivery.

For aspirin:


  • Although studies in humans have not shown that aspirin causes birth defects, it has caused birth defects in animal studies.

  • Do not take aspirin during the last 3 months of pregnancy unless it has been ordered by your doctor. Some reports have suggested that use of aspirin late in pregnancy may cause a decrease in the newborn's weight and possible death of the fetus or newborn baby. However, the mothers in these reports had been taking much larger amounts of aspirin than are usually recommended. Studies of mothers taking aspirin in the doses that are usually recommended did not show these unwanted effects.

  • There is a chance that regular use of aspirin late in pregnancy may cause unwanted effects on the heart or blood flow in the fetus or in the newborn baby. Also, use of aspirin during the last 2 weeks of pregnancy may cause bleeding problems in the fetus before or during delivery or in the newborn baby. In addition, too much use of aspirin during the last 3 months of pregnancy may increase the length of pregnancy, prolong labor, cause other problems during delivery, or cause severe bleeding in the mother before, during, or after delivery.

For caffeine:


  • Studies in humans have not shown that caffeine causes birth defects. However, use of large amounts of caffeine during pregnancy may cause problems with the heart rhythm and the growth of the fetus. Also, studies in animals have shown that caffeine causes birth defects when given in very large doses (amounts equal to the amount in 12 to 24 cups of coffee a day).

Breast Feeding


Although this combination medicine has not been reported to cause problems, the chance always exists, especially if the medicine is taken for a long time or in large amounts.


For butalbital:


  • Barbiturates such as butalbital pass into the breast milk and may cause drowsiness, unusually slow heartbeat, shortness of breath, or troubled breathing in nursing babies.

For aspirin:


  • Aspirin passes into the breast milk. However, taking aspirin in the amounts present in these combination medicines has not been reported to cause problems in nursing babies.

For caffeine:


  • The caffeine in some of these combination medicines passes into the breast milk in small amounts. Taking caffeine in the amounts present in these medicines has not been reported to cause problems in nursing babies. However, studies have shown that nursing babies may appear jittery and have trouble in sleeping when their mothers drink large amounts of caffeine-containing beverages. Therefore, breast-feeding mothers who use caffeine-containing medicines should probably limit the amount of caffeine they take in from other medicines or from beverages.

Interactions with Medicines


Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.


Using medicines in this class with any of the following medicines is not recommended. Your doctor may decide not to treat you with a medication in this class or change some of the other medicines you take.


  • Influenza Virus Vaccine, Live

  • Ketorolac

Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.


  • Acenocoumarol

  • Adinazolam

  • Alfentanil

  • Alprazolam

  • Alteplase, Recombinant

  • Amobarbital

  • Anileridine

  • Anisindione

  • Aprobarbital

  • Beta Glucan

  • Bromazepam

  • Brotizolam

  • Butabarbital

  • Butalbital

  • Carisoprodol

  • Chloral Hydrate

  • Chlordiazepoxide

  • Chlorzoxazone

  • Cilostazol

  • Citalopram

  • Clobazam

  • Clonazepam

  • Clorazepate

  • Clovoxamine

  • Codeine

  • Dabigatran Etexilate

  • Dantrolene

  • Desirudin

  • Desvenlafaxine

  • Diazepam

  • Dicumarol

  • Duloxetine

  • Eptifibatide

  • Escitalopram

  • Estazolam

  • Ethchlorvynol

  • Femoxetine

  • Fentanyl

  • Flesinoxan

  • Flunitrazepam

  • Fluoxetine

  • Flurazepam

  • Fluvoxamine

  • Ginkgo

  • Halazepam

  • Heparin

  • Hydrocodone

  • Hydromorphone

  • Ketazolam

  • Ketoprofen

  • Levorphanol

  • Lorazepam

  • Lormetazepam

  • Medazepam

  • Meperidine

  • Mephenesin

  • Mephobarbital

  • Meprobamate

  • Metaxalone

  • Methocarbamol

  • Methohexital

  • Methotrexate

  • Midazolam

  • Milnacipran

  • Morphine

  • Morphine Sulfate Liposome

  • Naproxen

  • Nefazodone

  • Nitrazepam

  • Nordazepam

  • Oxazepam

  • Oxycodone

  • Oxymorphone

  • Paroxetine

  • Pentobarbital

  • Phenindione

  • Phenobarbital

  • Phenprocoumon

  • Prazepam

  • Primidone

  • Propoxyphene

  • Quazepam

  • Quetiapine

  • Remifentanil

  • Reteplase, Recombinant

  • Rivaroxaban

  • Secobarbital

  • Sertraline

  • Sodium Oxybate

  • Sufentanil

  • Temazepam

  • Thiopental

  • Ticlopidine

  • Triazolam

  • Varicella Virus Vaccine

  • Venlafaxine

  • Vilazodone

  • Warfarin

  • Zimeldine

Interactions with Food/Tobacco/Alcohol


Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.


Other Medical Problems


The presence of other medical problems may affect the use of medicines in this class. Make sure you tell your doctor if you have any other medical problems, especially:


  • Alcohol abuse (or history of) or

  • Drug abuse or dependence (or history of)—Dependence on butalbital may develop.

  • Asthma, especially if occurring together with other allergies and nasal polyps (or history of), or

  • Emphysema or other chronic lung disease or

  • Hyperactivity (in children) or

  • Kidney disease or

  • Liver disease—The chance of serious side effects may be increased.

  • Diabetes mellitus (sugar diabetes) or

  • Mental depression or

  • Overactive thyroid or

  • Porphyria (or history of)—Butalbital may make these conditions worse.

  • Gout—Aspirin can make this condition worse and can also lessen the effects of some medicines used to treat gout.

  • Heart disease (severe)—The caffeine in some of these combination medicines can make some kinds of heart disease worse.

  • Hemophilia or other bleeding problems or

  • Vitamin K deficiency—Aspirin increases the chance of serious bleeding.

  • Stomach ulcer, especially with a history of bleeding, or other stomach problems—Aspirin can make your condition worse.

Proper Use of butalbital and aspirin combination

This section provides information on the proper use of a number of products that contain butalbital and aspirin combination. It may not be specific to Laniroif. Please read with care.


Take this medicine with food or a full glass (8 ounces) of water to lessen stomach irritation.


Do not take this medicine if it has a strong vinegar-like odor. This odor means the aspirin in it is breaking down. If you have any questions about this, check with your health care professional.


Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. If butalbital and aspirin combination is taken regularly (for example, every day), it may become habit-forming (causing mental or physical dependence). The caffeine in some butalbital and aspirin combinations can also increase the chance of dependence. Dependence is especially likely to occur in patients who take this medicine to relieve frequent headaches. Taking too much of this combination medicine can also lead to stomach problems or to other medical problems.


This medicine will relieve a headache best if you take it as soon as the headache begins. If you get warning signs of a migraine, take this medicine as soon as you are sure that the migraine is coming. This may even stop the headache pain from occurring. Lying down in a quiet, dark room for a while after taking the medicine also helps to relieve headaches.


People who get a lot of headaches may need to take a different medicine to help prevent headaches. It is important that you follow your doctor's directions about taking the other medicine, even if your headaches continue to occur. Headache-preventing medicines may take several weeks to start working. Even after they do start working, your headaches may not go away completely. However, your headaches should occur less often, and they should be less severe and easier to relieve than before. This will reduce the amount of headache relievers that you need. If you do not notice any improvement after several weeks of headache-preventing treatment, check with your doctor.


Dosing


The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.


The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.


  • For butalbital and aspirin combination

  • For oral dosage form (tablets):
    • For tension headaches:
      • Adults—One tablet every four hours as needed. You should not take more than six tablets a day.

      • Children—Dose must be determined by your doctor.



  • For butalbital, aspirin, and caffeine combination

  • For oral dosage forms (capsules or tablets):
    • For tension headaches:
      • Adults—One or 2 capsules or tablets every four hours as needed. You should not take more than six capsules or tablets a day.

      • Children—Dose must be determined by your doctor.



Missed Dose


If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.


Storage


Keep out of the reach of children.


Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.


Do not keep outdated medicine or medicine no longer needed.


Precautions While Using Laniroif


Check with your doctor:


  • If the medicine stops working as well as it did when you first started using it. This may mean that you are in danger of becoming dependent on the medicine. Do not try to get better pain relief by increasing the dose.

  • If you are having headaches more often than you did before you started using this medicine. This is especially important if a new headache occurs within 1 day after you took your last dose of headache medicine, headaches begin to occur every day, or a headache continues for several days in a row. This may mean that you are dependent on the headache medicine. Continuing to take this medicine will cause even more headaches later on. Your doctor can give you advice on how to relieve the headaches.

Check the labels of all nonprescription (over-the-counter [OTC]) and prescription medicines you now take. If any contain a barbiturate, aspirin, or other salicylates, including diflunisal, check with your health care professional. Taking them together with this medicine may cause an overdose.


The butalbital in this medicine will add to the effects of alcohol and other CNS depressants (medicines that slow down the nervous system, possibly causing drowsiness). Some examples of CNS depressants are antihistamines or medicine for hay fever, other allergies, or colds; sedatives, tranquilizers, or sleeping medicine; other prescription pain medicine or narcotics; other barbiturates; medicine for seizures; muscle relaxants; or anesthetics, including some dental anesthetics. Also, stomach problems may be more likely to occur if you drink alcoholic beverages while you are taking aspirin. Therefore, do not drink alcoholic beverages, and check with your doctor before taking any of the medicines listed above, while you are using this medicine.


This medicine may cause some people to become drowsy, dizzy, or lightheaded. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert and clearheaded.


Before having any kind of surgery (including dental surgery) or emergency treatment, tell the medical doctor or dentist in charge that you are taking this medicine. Serious side effects may occur if your medical doctor or dentist gives you certain other medicines without knowing that you have taken butalbital.


Do not take this medicine for 5 days before any planned surgery, including dental surgery, unless otherwise directed by your medical doctor or dentist. Taking aspirin during this time may cause bleeding problems.


Before you have any medical tests, tell the person in charge that you are taking this medicine. Caffeine (present in some butalbital and aspirin combinations) interferes with the results of certain tests that use dipyridamole (e.g., Persantine) to help show how well blood is flowing to your heart. Caffeine should not be taken for 8 to 12 hours before the test. The results of some other tests may also be affected by butalbital and aspirin combinations.


If you have been taking large amounts of this medicine, or if you have been taking it regularly for several weeks or more, do not suddenly stop using it without first checking with your doctor. Your doctor may want you to reduce gradually the amount you are taking before stopping completely, to lessen the chance of withdrawal side effects.


If you think you or anyone else may have taken an overdose of this medicine, get emergency help at once. Taking an overdose of this medicine or taking alcohol or CNS depressants with this medicine may lead to unconsciousness or death. Symptoms of overdose of this medicine include convulsions (seizures); hearing loss; confusion; ringing or buzzing in the ears; severe excitement, nervousness, or restlessness; severe dizziness; severe drowsiness; shortness of breath or troubled breathing; and severe weakness.


Laniroif Side Effects


Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.


Check with your doctor immediately if any of the following side effects occur:


Less common or rare - may mean that a serious allergic reaction is occurring
  • Bluish discoloration or flushing or redness of skin (occurring together with other effects listed in this section)

  • coughing, shortness of breath, troubled breathing, tightness in chest, or wheezing

  • difficulty in swallowing

  • dizziness or feeling faint (severe)

  • hive-like swellings (large) on eyelids, face, lips, or tongue

  • skin rash, itching, or hives

  • stuffy nose (occurring together with other effects listed in this section)

Rare
  • Bleeding or crusting sores on lips

  • chest pain

  • fever with or without chills

  • red, thickened, or scaly skin

  • sores, ulcers, or white spots in mouth (painful)

  • sore throat (unexplained)

  • tenderness, burning, or peeling of skin

Symptoms of overdose
  • Anxiety, confusion, excitement, irritability, nervousness, restlessness, or trouble in sleeping (severe, especially with products containing caffeine)

  • convulsions (seizures, with products containing caffeine)

  • diarrhea (severe or continuing)

  • dizziness, lightheadedness, drowsiness, or weakness (severe)

  • frequent urination (for products containing caffeine)

  • hallucinations (seeing, hearing, or feeling things that are not there)

  • increased sensitivity to touch or pain (for products containing caffeine)

  • increased thirst

  • muscle trembling or twitching (for products containing caffeine)

  • nausea or vomiting (severe or continuing), sometimes with blood

  • ringing or buzzing in ears (continuing) or hearing loss

  • seeing flashes of "zig-zag" lights (for products containing caffeine)

  • slow, fast, or irregular heartbeat

  • slow, fast, irregular, or troubled breathing

  • slurred speech

  • staggering

  • stomach pain (severe)

  • uncontrollable flapping movements of the hands, especially in elderly patients

  • unusual movements of the eyes

  • vision problems

Check with your doctor as soon as possible if any of the following side effects occur:


Less common or rare
  • Bloody or black, tarry stools

  • bloody urine

  • confusion or mental depression

  • muscle cramps or pain

  • pinpoint red spots on skin

  • swollen or painful glands

  • unusual bleeding or bruising

  • unusual excitement (mild)

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:


More common
  • Bloated or "gassy" feeling

  • dizziness or lightheadedness (mild)

  • drowsiness (mild)

  • heartburn or indigestion

  • nausea, vomiting, or stomach pain (occurring without other symptoms of overdose)

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.


Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.



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Wednesday, 27 June 2012

Alprazolam Extended-Release Tablets



Pronunciation: al-PRA-zoe-lam
Generic Name: Alprazolam
Brand Name: Xanax XR


Alprazolam Extended-Release Tablets are used for:

Treating panic disorder. It may also be used to treat other conditions as determined by your doctor.


Alprazolam Extended-Release Tablets are a benzodiazepine. It works in the brain to decrease anxiety.


Do NOT use Alprazolam Extended-Release Tablets if:


  • you are allergic to any ingredient in Alprazolam Extended-Release Tablets or other benzodiazepines (eg, diazepam)

  • you have acute narrow-angle glaucoma

  • you are taking delavirdine, itraconazole, ketoconazole, or sodium oxybate (GHB)

Contact your doctor or health care provider right away if any of these apply to you.



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Before using Alprazolam Extended-Release Tablets:


Some medical conditions may interact with Alprazolam Extended-Release Tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:


  • if you are pregnant, planning to become pregnant, or are breast-feeding

  • if you are able to become pregnant

  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement

  • if you have allergies to medicines, foods, or other substances

  • if you have a history of seizures, glaucoma or increased pressure in the eye, kidney or liver problems, lung or breathing problems (eg, chronic obstructive pulmonary disease [COPD], sleep apnea), myasthenia gravis, or a blood disorder known as porphyria

  • if you have a history of other mental or mood problems (eg, depression), alcohol or other substance abuse or dependence, or suicidal thoughts or actions

  • if you are in poor health, are very overweight, or are experiencing abnormal muscle movements

  • if you drink alcoholic beverages or you smoke

Some MEDICINES MAY INTERACT with Alprazolam Extended-Release Tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:


  • Methadone because it may increase the risk of serious and sometimes fatal breathing problems

  • Amiodarone, azole antifungals (eg, itraconazole, ketoconazole), cimetidine, cyclosporine, delavirdine, diltiazem, ergot alkaloids (eg, ergotamine), fluoxetine, fluvoxamine, isoniazid, macrolide antibiotics (eg, clarithromycin, erythromycin), nefazodone, nicardipine, nifedipine, omeprazole, oral contraceptives (birth control pills), paroxetine, propoxyphene, protease inhibitors (eg, boceprevir, ritonavir), sodium oxybate (GHB), telithromycin, or valproic acid because they may increase the risk of Alprazolam Extended-Release Tablets's side effects

  • Carbamazepine, rifamycins (eg, rifampin), or St. John's wort because they may decrease Alprazolam Extended-Release Tablets's effectiveness

  • Clozapine or tricyclic antidepressants (eg, desipramine, imipramine) because the risk of their side effects may be increased by Alprazolam Extended-Release Tablets

  • Hydantoins (eg, phenytoin) because the risk of their side effects may be increased and they may decrease Alprazolam Extended-Release Tablets's effectiveness

This may not be a complete list of all interactions that may occur. Ask your health care provider if Alprazolam Extended-Release Tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.


How to use Alprazolam Extended-Release Tablets:


Use Alprazolam Extended-Release Tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.


  • Alprazolam Extended-Release Tablets may be taken with or without food. If stomach upset occurs, take with food to reduce stomach irritation.

  • Swallow whole. Do not break, crush, or chew before swallowing.

  • Do not suddenly stop taking Alprazolam Extended-Release Tablets. You may have an increased risk of side effects, including seizure. If you need to stop Alprazolam Extended-Release Tablets, your doctor will gradually lower your dose.

  • Check with your doctor before eating grapefruit or drinking grapefruit juice while you take Alprazolam Extended-Release Tablets.

  • If you miss a dose of Alprazolam Extended-Release Tablets, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Alprazolam Extended-Release Tablets.



Important safety information:


  • Alprazolam Extended-Release Tablets may cause drowsiness, dizziness, light-headedness, or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Alprazolam Extended-Release Tablets. Using Alprazolam Extended-Release Tablets alone, with certain other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks.

  • Do not drink alcohol while you are using Alprazolam Extended-Release Tablets.

  • Check with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Alprazolam Extended-Release Tablets; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.

  • Do not take more than the recommended dose or use for longer than prescribed without checking with your doctor.

  • Smoking may decrease Alprazolam Extended-Release Tablets's effectiveness. Tell your doctor if you smoke or if you have recently stopped smoking.

  • Tell your doctor or dentist that you take Alprazolam Extended-Release Tablets before you receive any medical or dental care, emergency care, or surgery.

  • Use Alprazolam Extended-Release Tablets with caution in the ELDERLY; they may be more sensitive to its effects, especially decreased coordination and drowsiness.

  • Alprazolam Extended-Release Tablets should be used with extreme caution in CHILDREN younger than 18 years old; safety and effectiveness in these children have not been confirmed.

  • PREGNANCY and BREAST-FEEDING: Alprazolam Extended-Release Tablets may cause harm to the fetus. If you think you may be pregnant, discuss with your doctor the benefits and risks of using Alprazolam Extended-Release Tablets during pregnancy. Alprazolam Extended-Release Tablets are found in breast milk. Do not breast-feed while taking Alprazolam Extended-Release Tablets.

When used for long periods of time or at high doses, Alprazolam Extended-Release Tablets may not work as well and may require higher doses to obtain the same effect as when originally taken. This is known as TOLERANCE. Talk with your doctor if Alprazolam Extended-Release Tablets stops working well. Do not take more than prescribed.


Some people who use Alprazolam Extended-Release Tablets may develop a need to continue taking it. People who take higher doses or use Alprazolam Extended-Release Tablets for a long time have a greater risk. This is known as DEPENDENCE or addiction. If you stop taking Alprazolam Extended-Release Tablets suddenly, you may have WITHDRAWAL symptoms. These may include blurred vision; burning, numbness, or tingling; changes in smell or other senses; decreased appetite; decreased awareness of your surroundings; decreased concentration; diarrhea; muscle cramps or twitches; seizures; or weight loss.



Possible side effects of Alprazolam Extended-Release Tablets:


All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:



Changes in appetite; constipation; decreased sexual desire or ability; diarrhea; dizziness; drowsiness; dry mouth; light-headedness; nausea; tiredness; weight changes.



Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); behavior changes; blurred vision; burning, numbness, or tingling; chest pain; confusion; dark urine; decreased coordination; decreased urination; fainting; fast or irregular heartbeat; hallucinations; loss of balance or muscle control; memory or attention problems; menstrual changes; muscle twitching; new or worsening mental or mood changes (eg, depression, irritability, anxiety; exaggerated feeling of well-being); overstimulation; red, swollen blistered, or peeling skin; severe or persistent dizziness, drowsiness, or light-headedness; shortness of breath or trouble breathing; suicidal thoughts or actions; tremor; trouble speaking; yellowing of the eyes or skin.



This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.


See also: Alprazolam side effects (in more detail)


If OVERDOSE is suspected:


Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include confusion; loss of consciousness; loss of coordination; severe drowsiness or deep sleep; slow reflexes.


Proper storage of Alprazolam Extended-Release Tablets:

Store Alprazolam Extended-Release Tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C) in a tightly closed container, away from heat, moisture, and light. Do not store in the bathroom. Keep Alprazolam Extended-Release Tablets out of the reach of children and away from pets.


General information:


  • If you have any questions about Alprazolam Extended-Release Tablets, please talk with your doctor, pharmacist, or other health care provider.

  • Alprazolam Extended-Release Tablets are to be used only by the patient for whom it is prescribed. Do not share it with other people.

  • If your symptoms do not improve or if they become worse, check with your doctor.

  • Check with your pharmacist about how to dispose of unused medicine.

This information is a summary only. It does not contain all information about Alprazolam Extended-Release Tablets. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.



Issue Date: February 1, 2012

Database Edition 12.1.1.002

Copyright © 2012 Wolters Kluwer Health, Inc.

More Alprazolam resources


  • Alprazolam Side Effects (in more detail)
  • Alprazolam Dosage
  • Alprazolam Use in Pregnancy & Breastfeeding
  • Drug Images
  • Alprazolam Drug Interactions
  • Alprazolam Support Group
  • 406 Reviews for Alprazolam - Add your own review/rating


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Tuesday, 26 June 2012

Procardia



Generic Name: nifedipine (Oral route)

nye-FED-i-peen

Commonly used brand name(s)

In the U.S.


  • Adalat CC

  • Afeditab CR

  • Nifediac CC

  • Nifedical XL

  • Procardia

  • Procardia XL

Available Dosage Forms:


  • Capsule, Liquid Filled

  • Tablet, Extended Release

  • Tablet

  • Capsule

Therapeutic Class: Cardiovascular Agent


Pharmacologic Class: Calcium Channel Blocker


Chemical Class: Dihydropyridine


Uses For Procardia


Nifedipine is used alone or together with other medicines to treat severe chest pain (angina) or high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. High blood pressure may also increase the risk of heart attacks. These problems may be less likely to occur if blood pressure is controlled.


Nifedipine is a calcium channel blocker. It works by affecting the movement of calcium into the cells of the heart and blood vessels. As a result, nifedipine relaxes blood vessels and increases the supply of blood and oxygen to the heart while reducing its workload.


This medicine is available only with your doctor's prescription.


Before Using Procardia


In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:


Allergies


Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Pediatric


Appropriate studies have not been performed on the relationship of age to the effects of nifedipine in the pediatric population. Safety and efficacy have not been established.


Geriatric


Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of nifedipine in the elderly. However, elderly patients are more likely to have age-related kidney, liver, or heart problems which may require caution and an adjustment in the dose for patients receiving nifedipine.


Pregnancy








Pregnancy CategoryExplanation
All TrimestersCAnimal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breast Feeding


Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding.


Interactions with Medicines


Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.


Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.


  • Carbamazepine

  • Phenobarbital

  • Phenytoin

  • Rifabutin

  • Rifampin

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.


  • Amiodarone

  • Atazanavir

  • Clarithromycin

  • Dantrolene

  • Fentanyl

  • Mibefradil

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.


  • Acebutolol

  • Alprenolol

  • Atenolol

  • Betaxolol

  • Bevantolol

  • Bisoprolol

  • Bucindolol

  • Carteolol

  • Carvedilol

  • Celiprolol

  • Cimetidine

  • Clopidogrel

  • Dalfopristin

  • Dilevalol

  • Diltiazem

  • Doxazosin

  • Esmolol

  • Fluconazole

  • Ginkgo

  • Ginseng

  • Indinavir

  • Itraconazole

  • Ketoconazole

  • Labetalol

  • Levobunolol

  • Magnesium

  • Mepindolol

  • Metipranolol

  • Metoprolol

  • Micafungin

  • Nadolol

  • Nafcillin

  • Nebivolol

  • Oxprenolol

  • Penbutolol

  • Pindolol

  • Propranolol

  • Quinidine

  • Quinupristin

  • Rifapentine

  • Sotalol

  • St John's Wort

  • Tacrolimus

  • Talinolol

  • Tertatolol

  • Timolol

  • Vincristine

  • Vincristine Liposome

Interactions with Food/Tobacco/Alcohol


Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.


Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.


  • Grapefruit Juice

Other Medical Problems


The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:


  • Aortic stenosis (narrowing of a valve in your heart) or

  • Bowel blockage, severe or

  • Congestive heart failure or

  • Coronary artery disease or

  • Heart attack or

  • Hypotension (low blood pressure)—Use with caution. May increase risk of serious side effects.

  • Cardiogenic shock (shock caused by heart attack)—Should not be used in patients with these conditions.

  • Galactose intolerance (rare hereditary problem) or

  • Glucose-galactose malabsorption (rare hereditary problem) or

  • Lapp lactase deficiency (rare hereditary problem)—The extended release tablet form of this medicine contains lactose (milk sugar), and should not be given to patients with these conditions.

  • Kidney problems or

  • Liver problems (including cirrhosis)—Use with caution. The effects of nifedipine may be increased because of the slower removal of the medicine from the body.

Proper Use of nifedipine

This section provides information on the proper use of a number of products that contain nifedipine. It may not be specific to Procardia. Please read with care.


In addition to the use of this medicine, treatment for your high blood pressure may include weight control and changes in the types of foods you eat, especially foods high in sodium (salt). Your doctor will tell you which of these are most important for you. You should check with your doctor before changing your diet.


Many patients who have high blood pressure will not notice any signs of the problem. In fact, many may feel normal. It is very important that you take your medicine exactly as directed and that you keep your appointments with your doctor even if you feel well.


Remember that this medicine will not cure your high blood pressure, but it does help control it. You must continue to take it as directed if you expect to lower your blood pressure and keep it down. You may have to take high blood pressure medicine for the rest of your life. If high blood pressure is not treated, it can cause serious problems such as heart failure, blood vessel disease, stroke, or kidney disease.


Swallow the extended release tablet whole. Do not break, crush, or chew it. It is best to take this tablet on an empty stomach.


If you are taking the extended-release tablets, part of the tablet may pass into your stool after your body has absorbed the medicine. This is normal and nothing to worry about.


Dosing


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.


The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.


  • For treatment of chest pain or high blood pressure:
    • For oral dosage form (capsules):
      • Adults—At first, 10 milligrams (mg) three times a day. Your doctor may increase your dose as needed.

      • Children—Use and dose must be determined by your doctor.


    • For oral dosage form (extended-release tablets):
      • Adults—At first, 30 or 60 milligrams (mg) once a day. Your doctor may increase your dose as needed. However, the dose is usually not more than 90 mg once a day.

      • Children—Use and dose must be determined by your doctor.



Missed Dose


If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.


Storage


Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.


Keep out of the reach of children.


Do not keep outdated medicine or medicine no longer needed.


Ask your healthcare professional how you should dispose of any medicine you do not use.


Precautions While Using Procardia


It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.


You should not use this medicine if you are also taking certain other medications such as carbamazepine (Tegretol®), phenobarbital (Luminal®), phenytoin (Dilantin®), rifabutin (Mycobutin®), rifampin (Rifadin®, Rimactane®), or St. John's Wort. Using these medicines together can cause serious problems. Make sure your doctor knows all of the medications you are taking.


Dizziness, lightheadedness, or fainting may occur, especially when you get up suddenly from a lying or sitting position. These symptoms are more likely to occur when you begin taking this medicine, or when the dose is increased.


This medicine may cause fluid retention (edema) in some patients. Tell your doctor right away if you have bloating or swelling of the face, arms, hands, lower legs, or feet; tingling of the hands or feet; or unusual weight gain or loss.


Do not stop taking this medicine without first checking with your doctor. Your doctor may want you to gradually reduce the amount you are using before stopping completely.


Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery or medical tests. This medicine may affect the results of certain medical tests.


Grapefruits and grapefruit juice may increase the effects of nifedipine by increasing the amount of this medicine in your body. You should not eat grapefruit or drink grapefruit juice while you taking this medicine.


Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.


Procardia Side Effects


Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.


Check with your doctor immediately if any of the following side effects occur:


More common
  • Bloating or swelling of the face, arms, hands, lower legs, or feet

  • cough

  • difficult or labored breathing

  • dizziness or lightheadedness

  • fast, irregular, pounding, or racing heartbeat or pulse

  • feeling of warmth

  • headache

  • muscle cramps

  • rapid weight gain

  • shakiness in the legs, arms, hands, or feet

  • shortness of breath

  • tightness in the chest

  • tingling of the hands or feet

  • trembling or shaking of the hands or feet

  • unusual weight gain or loss

  • weakness

  • wheezing

Less common
  • Blue lips and fingernails

  • chest congestion

  • chest pain

  • chills

  • coughing that sometimes produces a pink frothy sputum

  • decreased urine output

  • difficult, fast, or noisy breathing, sometimes with wheezing

  • dilated neck veins

  • extreme fatigue

  • fever

  • increased sweating

  • irregular breathing

  • nausea

  • pain or discomfort in the arms, jaw, back, or neck

  • pale skin

  • severe unusual tiredness or weakness

  • sweating

  • troubled breathing

  • vomiting

Rare
  • Black, tarry stools

  • bleeding gums

  • blood in the eyes

  • blood in the urine or stools

  • bloody stools

  • bluish color

  • blurred vision

  • body aches or pain

  • changes in skin color

  • cold sweats

  • dark urine

  • difficulty with swallowing

  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position

  • dry mouth

  • dryness or soreness of throat

  • ear congestion or pain

  • extra heartbeats

  • eye pain

  • feeling unusually cold

  • general tiredness and weakness

  • headache, severe and throbbing

  • hoarseness

  • increased urge to urinate during the night

  • irritation in the mouth

  • itching

  • large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs

  • light-colored stools

  • nasal congestion

  • neck pain

  • nervousness

  • no blood pressure or pulse

  • noisy breathing

  • pain

  • pain in the groin or genitals

  • pain or burning while urinating

  • painful or difficult urination

  • pinpoint red spots on the skin

  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

  • redness and swelling of the gums

  • redness in the whites of the eyes

  • runny nose

  • shakiness and unsteady walk

  • sharp back pain just below ribs

  • shivering

  • skin rash

  • small clicking, bubbling, or rattling sounds in the lung when listening with a stethoscope

  • sneezing

  • sore throat

  • sores, ulcers, or white spots on the lips or in the mouth

  • stopping of heart

  • swelling around the eyes

  • swollen glands

  • tenderness

  • tender, swollen glands in the neck

  • troubled breathing with exertion

  • unconsciousness

  • unsteadiness, trembling, or other problems with muscle control or coordination

  • unusual bleeding or bruising

  • upper right abdominal or stomach pain

  • vision changes

  • voice changes

  • vomiting of blood or material that looks like coffee grounds

  • waking to urinate at night

  • yellow eyes and skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:


More common
  • Belching

  • feeling of indigestion

  • mood changes

  • pain in the chest below the breastbone

  • redness of the face, neck, arms, and occasionally, upper chest

Less common
  • Abnormal ejaculation

  • bloody nose

  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings

  • decreased interest in sexual intercourse

  • decreased sexual performance or desire

  • diarrhea

  • difficulty having a bowel movement (stool)

  • excess air or gas in stomach or intestines

  • feeling of constant movement of self or surroundings

  • full feeling

  • general feeling of discomfort or illness

  • inability to have or keep an erection

  • increased need to urinate

  • joint stiffness

  • leg cramps or pain

  • loss in sexual ability, desire, drive, or performance

  • nervousness

  • passing gas

  • passing urine more often

  • sneezing

  • stuffy nose

  • trouble sleeping

Rare
  • Acid or sour stomach

  • ankle, knee, or great toe joint pain

  • cracks in the skin

  • difficulty with moving

  • discouragement

  • excessive muscle tone

  • fear or nervousness

  • feeling sad or empty

  • hair loss or thinning of the hair

  • heartburn

  • increased sensitivity of the skin to sunlight

  • irritability

  • itching, pain, redness, swelling, tenderness, or warmth on the skin

  • lack of appetite

  • lack or loss of strength

  • loss of heat from the body

  • loss of interest or pleasure

  • loss of strength or energy

  • loss in sexual ability, desire, drive, or performance

  • lower back or side pain

  • muscle pain or weakness

  • muscle stiffness

  • muscle tension or tightness

  • pain or burning in the throat

  • red, swollen skin

  • redness or other discoloration of the skin

  • scaly skin

  • severe sunburn

  • sleepiness or unusual drowsiness

  • sleeplessness

  • stomach discomfort, upset, or pain

  • swelling of the breasts or breast soreness in both females and males

  • tiredness

  • trouble concentrating

  • unable to sleep

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.


Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

See also: Procardia side effects (in more detail)



The information contained in the Thomson Reuters Micromedex products as delivered by Drugs.com is intended as an educational aid only. It is not intended as medical advice for individual conditions or treatment. It is not a substitute for a medical exam, nor does it replace the need for services provided by medical professionals. Talk to your doctor, nurse or pharmacist before taking any prescription or over the counter drugs (including any herbal medicines or supplements) or following any treatment or regimen. Only your doctor, nurse, or pharmacist can provide you with advice on what is safe and effective for you.


The use of the Thomson Reuters Healthcare products is at your sole risk. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. Thomson Reuters Healthcare and Drugs.com make no representation or warranty as to the accuracy, reliability, timeliness, usefulness or completeness of any of the information contained in the products. Additionally, THOMSON REUTERS HEALTHCARE MAKES NO REPRESENTATION OR WARRANTIES AS TO THE OPINIONS OR OTHER SERVICE OR DATA YOU MAY ACCESS, DOWNLOAD OR USE AS A RESULT OF USE OF THE THOMSON REUTERS HEALTHCARE PRODUCTS. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE ARE HEREBY EXCLUDED. Thomson Reuters Healthcare does not assume any responsibility or risk for your use of the Thomson Reuters Healthcare products.


More Procardia resources


  • Procardia Side Effects (in more detail)
  • Procardia Use in Pregnancy & Breastfeeding
  • Drug Images
  • Procardia Drug Interactions
  • Procardia Support Group
  • 3 Reviews for Procardia - Add your own review/rating


  • Procardia MedFacts Consumer Leaflet (Wolters Kluwer)

  • Procardia Prescribing Information (FDA)

  • Adalat Consumer Overview

  • Adalat CC Prescribing Information (FDA)

  • Adalat CC Sustained-Release Tablets MedFacts Consumer Leaflet (Wolters Kluwer)

  • Afeditab CR Prescribing Information (FDA)

  • Nifediac CC Prescribing Information (FDA)

  • Nifedical XL Prescribing Information (FDA)

  • Nifedipine Professional Patient Advice (Wolters Kluwer)

  • Nifedipine Monograph (AHFS DI)

  • Procardia XL Prescribing Information (FDA)



Compare Procardia with other medications


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Wednesday, 20 June 2012

Ursodiol Capsules




Dosage Form: capsule
Ursodiol Capsules USP

300 mg


Rx only

SPECIAL NOTE


Gallbladder stone dissolution with ursodiol treatment requires months of therapy. Complete dissolution does not occur in all patients and recurrence of stones within 5 years has been observed in up to 50% of patients who do dissolve their stones on bile acid therapy. Patients should be carefully selected for therapy with ursodiol, and alternative therapies should be considered.



Ursodiol Capsules Description


Ursodiol USP is a bile acid available as 300mg capsules suitable for oral administration.


Ursodiol USP (ursodeoxycholic acid) is a naturally occurring bile acid found in small quantities in normal human bile and in larger quantities in the biles of certain other mammals. It is a bitter-tasting, white powder freely soluble in ethanol, methanol, and glacial acetic acid; sparingly soluble in chloroform; slightly soluble in ether; and insoluble in water. The chemical name for ursodiol is 3α,7β,-dihydroxy-5β,-cholan-24-oic acid (C24H40O4). Ursodiol USP has a molecular weight of 392.57. Its structure is shown below:



Ursodiol Capsules USP 300 mg contain the following inactive ingredients: colloidal silicon dioxide, corn starch, D&C red #28, FD&C Blue #1, FD&C Red #40, gelatin, magnesium stearate and titanium dioxide.



Ursodiol Capsules - Clinical Pharmacology


About 90% of a therapeutic dose of ursodiol is absorbed in the small bowel after oral administration. After absorption, ursodiol enters the portal vein and undergoes efficient extraction from portal blood by the liver (i.e., there is a large "first-pass" effect) where it is conjugated with either glycine or taurine and is then secreted into the hepatic bile ducts. Ursodiol in bile is concentrated in the gallbladder and expelled into the duodenum in gallbladder bile via the cystic and common ducts by gallbladder contractions provoked by physiologic responses to eating. Only small quantities of ursodiol appear in the systemic circulation and very small amounts are excreted into urine. The sites of the drug's therapeutic actions are in the liver, bile, and gut lumen.


Beyond conjugation, ursodiol is not altered or catabolized appreciably by the liver or intestinal mucosa. A small proportion of orally administered drug undergoes bacterial degradation with each cycle of enterohepatic circulation. Ursodiol can be both oxidized and reduced at the 7-carbon, yielding either 7-keto-lithocholic acid or lithocholic acid, respectively. Further, there is some bacterially catalyzed deconjugation of glyco- and tauro-ursodeoxycholic acid in the small bowel. Free ursodiol, 7-keto-lithocholic acid, and lithocholic acid are relatively insoluble in aqueous media and larger proportions of these compounds are lost from the distal gut into the feces. Reabsorbed free ursodiol is reconjugated by the liver. Eighty percent of lithocholic acid formed in the small bowel is excreted in the feces, but the 20% that is absorbed is sulfated at the 3-hydroxyl group in the liver to relatively insoluble lithocholyl conjugates which are excreted into bile and lost in feces. Absorbed 7-keto-lithocholic acid is stereospecifically reduced in the liver to chenodiol.


Lithocholic acid causes cholestatic liver injury and can cause death from liver failure in certain species unable to form sulfate conjugates. Lithocholic acid is formed by 7-dehydroxylation of the dihydroxy bile acids (ursodiol and chenodiol) in the gut lumen. The 7-dehydroxylation reaction appears to be alpha-specific, i.e., chenodiol is more efficiently 7-dehydroxylated than ursodiol and, for equimolar doses of ursodiol and chenodiol, levels of lithocholic acid appearing in bile are lower with the former. Man has the capacity to sulfate lithocholic acid. Although liver injury has not been associated with ursodiol therapy, a reduced capacity to sulfate may exist in some individuals, but such a deficiency has not yet been clearly demonstrated.



Pharmacodynamics


Ursodiol suppresses hepatic synthesis and secretion of cholesterol, and also inhibits intestinal absorption of cholesterol. It appears to have little inhibitory effect on synthesis and secretion into bile of endogenous bile acids, and does not appear to affect secretion of phospholipids into bile.


With repeated dosing, bile ursodeoxycholic acid concentrations reach a steady state in about 3 weeks. Although insoluble in aqueous media, cholesterol can be solubilized in at least two different ways in the presence of dihydroxy bile acids. In addition to solubilizing cholesterol in micelles, ursodiol acts by an apparently unique mechanism to cause dispersion of cholesterol as liquid crystals in aqueous media. Thus, even though administration of high doses (e.g., 15-18 mg/kg/day) does not result in a concentration of ursodiol higher than 60% of the total bile acid pool, ursodiol-rich bile effectively solubilizes cholesterol. The overall effect of ursodiol is to increase the concentration level at which saturation of cholesterol occurs.


The various actions of ursodiol combine to change the bile of patients with gallstones from cholesterol-precipitating to cholesterol-solubilizing, thus resulting in bile conducive to cholesterol stone dissolution.


After ursodiol dosing is stopped, the concentration of the bile acid in bile falls exponentially, declining to about 5%-10% of its steady-state level in about 1 week.



Clinical Results


Gallstone Dissolution

On the basis of clinical trial results in a total of 868 patients with radiolucent gallstones treated in 8 studies (three in the U.S. involving 282 patients, one in the U.K. involving 130 patients, and four in Italy involving 456 patients) for periods ranging from 6-78 months with ursodiol doses ranging from about 5 to 20 mg/kg/day, an ursodiol dose of about 8-10 mg/kg/day appeared to be the best dose. With an ursodiol dose of about 10 mg/kg/day, complete stone dissolution can be anticipated in about 30% of unselected patients with uncalcified gallstones < 20 mm in maximal diameter treated for up to 2 years. Patients with calcified gallstones prior to treatment, or patients who develop stone calcification or gallbladder nonvisualization on treatment, and patients with stones > 20 mm in maximal diameter rarely dissolve their stones. The chance of gallstone dissolution is increased up to 50% in patients with floating or floatable stones (i.e., those with high cholesterol content), and is inversely related to stone size for those < 20 mm in maximal diameter. Complete dissolution was observed in 81% of patients with stones up to 5 mm in diameter. Age, sex, weight, degree of obesity, and serum cholesterol level are not related to the chance of stone dissolution with ursodiol.


A nonvisualizing gallbladder by oral cholecystogram prior to the initiation of therapy is not a contraindication to ursodiol therapy (the group of patients with nonvisualizing gallbladders in the ursodiol studies had complete stone dissolution rates similar to the group of patients with visualizing gallbladders). However, gallbladder nonvisualization developing during ursodiol treatment predicts failure of complete stone dissolution and in such cases therapy should be discontinued.


Partial stone dissolution occurring within 6 months of beginning therapy with ursodiol appears to be associated with a >70% chance of eventual complete stone dissolution with further treatment; partial dissolution observed within 1 year of starting therapy indicates a 40% probability of complete dissolution.


Stone recurrence after dissolution with ursodiol therapy was seen within 2 years in 8/27 (30%) of patients in the U.K. studies. Of 16 patients in the U.K. study whose stones had previously dissolved on chenodiol but later recurred, 11 had complete dissolution on ursodiol. Stone recurrence has been observed in up to 50% of patients within 5 years of complete stone dissolution on ursodiol therapy. Serial ultrasonographic examinations should be obtained to monitor for recurrence of stones, bearing in mind that radiolucency of the stones should be established before another course of ursodiol is instituted. A prophylactic dose of ursodiol has not been established.


Gallstone Prevention

Two placebo-controlled, multicenter, double-blind, randomized, parallel group trials in a total of 1316 obese patients were undertaken to evaluate ursodiol in the prevention of gallstone formation in obese patients undergoing rapid weight loss. The first trial consisted of 1004 obese patients with a body mass index (BMI) ≥ 38 who underwent weight loss induced by means of a very low calorie diet for a period of 16 weeks. An intent-to-treat analysis of this trial showed that gallstone formation occurred in 23% of the placebo group, while those patients on 300, 600, or 1200 mg/day of ursodiol experienced a 6%, 3%, and 2% incidence of gallstone formation, respectively. The mean weight loss for this 16-week trial was 47 lb for the placebo group, and 47, 48, and 50 lb for the 300, 600, and 1200 mg/day ursodiol groups, respectively.


The second trial consisted of 312 obese patients (BMI ≥ 40) who underwent rapid weight loss through gastric bypass surgery. The trial drug treatment period was for 6 months following this surgery. Results of this trial showed that gallstone formation occurred in 23% of the placebo group, while those patients on 300, 600, or 1200 mg/day of ursodiol experienced a 9%, 1%, and 5% incidence of gallstone formation, respectively. The mean weight loss for this 6-month trial was 64 lb for the placebo group, and 67, 74, and 72 lb for the 300, 600, and 1200 mg/day ursodiol groups, respectively.



ALTERNATIVE THERAPIES


Watchful Waiting

Watchful waiting has the advantage that no therapy may ever be required. For patients with silent or minimally symptomatic stones, the rate of development of moderate-to-severe symptoms or gallstone complications is estimated to be between 2% and 6% per year, leading to a cumulative rate of 7% to 27% in 5 years. Presumably the rate is higher for patients already having symptoms.


Cholecystectomy

For patients with symptomatic gallstones, surgery offers the advantage of immediate and permanent stone removal, but carries a high risk in some patients. About 5% of cholecystectomized patients have residual symptoms or retained common duct stones. The spectrum of surgical risk varies as a function of age and the presence of disease other than cholelithiasis.






































Mortality Rates for Cholecystectomy in the U.S. (National Halothane Study, JAMA 1966; 197:775-8) 27,600 Cholecystectomies (Smoothed Rates) Deaths/1000 Operations***
* In good health or with moderate systemic disease.
** With severe or extreme systemic disease.
*** Includes both elective and emergency surgery.
 Low Risk Patients* Age (Yrs) Cholecystectomy Cholecystectomy

+ Common Duct

Exploration
 Women 0-49

50-69
 .54

2.80
 2.13

10.10
    
 Men 0-49

50-69
 1.04

5.41
 4.12

19.23
 High Risk Patients**   
 Women 0-49

50-69
 12.66

17.24
 47.62

58.82
    
 Men 0-49

50-69
 24.39

33.33
 90.91

111.11

Women in good health or who have only moderate systemic disease and are under 49 years of age have the lowest surgical mortality rate (0.054); men in all categories have a surgical mortality rate twice that of women. Common duct exploration quadruples the rates in all categories. The rates rise with each decade of life and increase tenfold or more in all categories with severe or extreme systemic disease.



Indications and Usage for Ursodiol Capsules


  • Ursodiol Capsules are indicated for patients with radiolucent, noncalcified gallbladder stones < 20 mm in greatest diameter in whom elective cholecystectomy would be undertaken except for the presence of increased surgical risk due to systemic disease, advanced age, idiosyncratic reaction to general anesthesia, or for those patients who refuse surgery. Safety of use of Ursodiol Capsules beyond 24 months is not established.

  • Ursodiol Capsules are indicated for the prevention of gallstone formation in obese patients experiencing rapid weight loss.


Contraindications


  • Ursodiol Capsules will not dissolve calcified cholesterol stones, radiopaque stones, or radiolucent bile pigment stones. Hence, patients with such stones are not candidates for ursodiol therapy.

  • Patients with compelling reasons for cholecystectomy including unremitting acute cholecystitis, cholangitis, biliary obstruction, gallstone pancreatitis, or biliary-gastrointestinal fistula are not candidates for ursodiol therapy.

  • Allergy to bile acids.


Precautions



Liver Tests


Ursodiol therapy has not been associated with liver damage. Lithocholic acid, a naturally occurring bile acid, is known to be a liver-toxic metabolite. This bile acid is formed in the gut from ursodiol less efficiently and in smaller amounts than that seen from chenodiol. Lithocholic acid is detoxified in the liver by sulfation and, although man appears to be an efficient sulfater, it is possible that some patients may have a congenital or acquired deficiency in sulfation, thereby predisposing them to lithocholate-induced liver damage.


Abnormalities in liver enzymes have not been associated with ursodiol therapy and, in fact, ursodiol has been shown to decrease liver enzyme levels in liver disease. However, patients given ursodiol should have SGOT (AST) and SGPT (ALT) measured at the initiation of therapy and thereafter as indicated by the particular clinical circumstances.



Drug Interactions


Bile acid sequestering agents such as cholestyramine and colestipol may interfere with the action of ursodiol by reducing its absorption. Aluminum-based antacids have been shown to adsorb bile acids in vitro and may be expected to interfere with ursodiol in the same manner as the bile acid sequestering agents. Estrogens, oral contraceptives, and clofibrate (and perhaps other lipid-lowering drugs) increase hepatic cholesterol secretion, and encourage cholesterol gallstone formation and hence may counteract the effectiveness of ursodiol.



Carcinogenesis, Mutagenesis, and Impairment of Fertility


Ursodeoxycholic acid was tested in 2-year oral carcinogenicity studies in CD-1 mice and Sprague-Dawley rats at daily doses of 50, 250, and 1000 mg/kg/day. It was not tumorigenic in mice. In the rat study, it produced statistically significant dose-related increased incidences of pheochromocytomas of adrenal medulla in males (p=0.014, Peto trend test) and females (p=0.004, Peto trend test). A 78-week rat study employing intrarectal instillation of lithocholic acid and tauro-deoxycholic acid, metabolites of ursodiol and chenodiol, has been conducted. These bile acids alone did not produce any tumors. A tumor-promoting effect of both metabolites was observed when they were co-administered with a carcinogenic agent. Results of epidemiologic studies suggest that bile acids might be involved in the pathogenesis of human colon cancer in patients who had undergone a cholecystectomy, but direct evidence is lacking. Ursodiol is not mutagenic in the Ames test. Dietary administration of lithocholic acid to chickens is reported to cause hepatic adenomatous hyperplasia.



Pregnancy Category B


Reproduction studies have been performed in rats and rabbits with ursodiol doses up to 200-fold the therapeutic dose and have revealed no evidence of impaired fertility or harm to the fetus at doses of 20- to 100-fold the human dose in rats and at 5-fold the human dose (highest dose tested) in rabbits. Studies employing 100- to 200-fold the human dose in rats have shown some reduction in fertility rate and litter size. There have been no adequate and well-controlled studies of the use of ursodiol in pregnant women, but inadvertent exposure of 4 women to therapeutic doses of the drug in the first trimester of pregnancy during the ursodiol trials led to no evidence of effects on the fetus or newborn baby. Although it seems unlikely, the possibility that ursodiol can cause fetal harm cannot be ruled out; hence, the drug is not recommended for use during pregnancy.



Nursing Mothers


It is not known whether ursodiol is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when ursodiol is administered to a nursing mother.



Pediatric Use


The safety and effectiveness of ursodiol in pediatric patients have not been established.



Geriatric Use


In worldwide clinical studies of ursodiol, approximately 14% of subjects were over 65 years of age (approximately 3% were over 75 years old). In a subgroup analysis of existing clinical trials, patients greater than 56 years of age did not exhibit statistically significant different complete dissolution rates from the younger population. No age-related differences in safety and effectiveness were found. Other reported clinical experience has not identified differences in response in elderly and younger patients. However, small differences in efficacy and greater sensitivity of some elderly individuals taking ursodiol cannot be ruled out. Therefore, it is recommended that dosing proceed with caution in this population.



Adverse Reactions


The nature and frequency of adverse experiences were similar across all groups.


The following tables provide comprehensive listings of the adverse experiences reported that occurred with a 5% incidence level:











































































































































































GALLSTONE DISSOLUTION
  Urosodiol

8-10 mg/kg/day

(N=155)
 Placebo


(N=159)
  N (%) N (%)
 Body as a Whole    
    Allergy 8 (5.2) 7 (4.4)
    Chest Pain 5 (3.2) 10 (6.3)
    Fatigue 7 (4.5) 8 (5.0)
    Infection Viral 30 (19.4) 41 (25.8)
 Digestive System    
    Abdominal Pain 67 (43.2) 70 (44.0)
    Cholecystitis 8 (5.2) 7 (4.4)
    Constipation 15 (9.7) 14 (8.8)
    Diarrhea 42 (27.1) 34 (21.4)
    Dyspepsia 26 (16.8) 18 (11.3)
    Flatulence 12 (7.7) 12 (7.5)
    Gastrointestinal Disorder 6 (3.9) 8 (5.0)
    Nausea 22 (14.2) 27 (17.0)
    Vomiting 15 (9.7) 11 (6.9)
 Musculoskeletal System    
    Arthralgia 12 (7.7) 24 (15.1)
    Arthritis 9 (5.8) 4 (2.5)
    Back Pain 11 (7.1) 18 (11.3)
    Myalgia 9 (5.8) 9 (5.7)
 Nervous System    
    Headache 28 (18.1) 34 (21.4)
    Insomnia 3 (1.9) 8 (5.0)
 Respiratory System    
    Bronchitis 10 (6.5) 6 (3.8)
    Coughing 11 (7.1) 7 (4.4)
    Pharyngitis 13 (8.4) 5 (3.1)
    Rhinitis 8 (5.2) 11 (6.9)
    Sinusitis 17 (11.0) 18 (11.3)
    Upper Respiratory Tract

   Infection
 24 (15.5) 21 (13.2)
 Urogenital System    
    Urinary Tract Infection 10 (6.5) 7 (4.4)






































































































































GALLSTONE PREVENTION
  Urosodiol

600 mg

(N=322)
 Placebo


(N=325)
  N (%) N (%)
 Body as a Whole    
    Fatigue 25 (7.8) 33 (10.2)
    Infection Viral 29 (9.0) 29 (8.9)
    Influenza-like Symptoms 21 (6.5) 19 (5.8)
 Digestive System    
    Abdominal Pain 20 (6.2) 39 (12.0)
    Constipation 85 (26.4) 72 (22.2)
    Diarrhea 81 (25.2) 68 (20.9)
    Flatulence 15 (4.7) 24 (7.4)
    Nausea 56 (17.4) 43 (13.2)
    Vomiting 44 (13.7) 44 (13.5)
 Musculoskeletal System    
    Back Pain 38 (11.8) 21 (6.5)
    Musculoskeletal Pain 19 (5.9) 15 (4.6)
 Nervous System    
    Dizziness 53 (16.5) 42 (12.9)
    Headache 80 (24.8) 78 (24.0)
 Respiratory System    
    Pharyngitis 10 (3.1) 19 (5.8)
    Sinusitis 17 (5.3) 18 (5.5)
    Upper Respiratory Tract

   Infection
 40 (12.4) 35 (10.8)
 Skin and Appendages    
    Alopecia 17 (5.3) 8 (2.5)
 Urogenital System    
    Dysmenorrhea 18 (5.6) 19 (5.8)

Overdosage


Neither accidental nor intentional overdosing with ursodiol has been reported. Doses of ursodiol in the range of 16-20 mg/kg/day have been tolerated for 6-37 months without symptoms by 7 patients. The LD50 for ursodiol in rats is over 5000 mg/kg given over 7-10 days and over 7500 mg/kg for mice. The most likely manifestation of severe overdose with ursodiol would probably be diarrhea, which should be treated symptomatically.



Ursodiol Capsules Dosage and Administration



Gallstone Dissolution


The recommended dose for ursodiol capsule treatment of radiolucent gallbladder stones is 8-10 mg/kg/day given in 2 or 3 divided doses.


Ultrasound images of the gallbladder should be obtained at 6-month intervals for the first year of ursodiol therapy to monitor gallstone response. If gallstones appear to have dissolved, ursodiol therapy should be continued and dissolution confirmed on a repeat ultrasound examination within 1 to 3 months. Most patients who eventually achieve complete stone dissolution will show partial or complete dissolution at the first on-treatment reevaluation. If partial stone dissolution is not seen by 12 months of ursodiol therapy, the likelihood of success is greatly reduced.



Gallstone Prevention


The recommended dosage of Ursodiol Capsules for gallstone prevention in patients undergoing rapid weight loss is 600 mg/day (300 mg b.i.d.).



How is Ursodiol Capsules Supplied


Ursodiol Capsules USP 300 mg are pink cap with white body, opaque, hard gelatin capsules imprint with cor over 184 on body and cap. They are supplied as follows:


           Bottles of 100                    (NDC 64980-139-01)


           Bottles of 500                    (NDC 64980-139-05)


Store at 20° - 25°C (68° - 77°F); excursions permitted to 15° - 30°C (59° - 86°F) [see USP Controlled Room Temperature].


Dispense in a tight container as defined in the USP.


Keep this and all drugs out of the reach of children.


Manufactured by:

Corepharma LLC

Middlesex, NJ 08846



Manufactured for:

Rising Pharmaceuticals, Inc.

Allendale, NJ 07401


MF # 530-02

July 2009


(bar code)

184-530-02



PRINCIPAL DISPLAY PANEL



 






URSODIOL 
ursodiol  capsule










Product Information
Product TypeHUMAN PRESCRIPTION DRUGNDC Product Code (Source)64980-139
Route of AdministrationORALDEA Schedule    








Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
URSODIOL (URSODIOL)URSODIOL300 mg




















Inactive Ingredients
Ingredient NameStrength
SILICON DIOXIDE 
STARCH, CORN 
D&C RED NO. 28 
FD&C BLUE NO. 1 
FD&C RED NO. 40 
GELATIN 
MAGNESIUM STEARATE 
TITANIUM DIOXIDE 


















Product Characteristics
ColorPINK (Pink) , WHITE (White)Scoreno score
ShapeCAPSULE (round)Size22mm
FlavorImprint Codecor;184
Contains      














Packaging
#NDCPackage DescriptionMultilevel Packaging
164980-139-01100 CAPSULE In 1 BOTTLE, PLASTICNone
264980-139-05500 CAPSULE In 1 BOTTLE, PLASTICNone










Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
ANDAANDA07789510/05/2006


Labeler - Rising Pharmaceuticals, Inc. (041241766)









Establishment
NameAddressID/FEIOperations
Corepharma LLC.031192276ANALYSIS, LABEL, MANUFACTURE, PACK
Revised: 09/2011Rising Pharmaceuticals, Inc.

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