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USES: This medication is used in the treatment of tuberculosis.
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Rifater
Uses
This medication is used in the treatment of tuberculosis.
Notes
- Laboratory tests and eye exams will be done periodically while taking this medication to monitor the effectiveness of this medication and to prevent side effects.
Storage
- Store this medication at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light.
- Do not store in the bathroom.
- Keep this and all medications out of the reach of children.
Photos
How To Use
- Take this medication by mouth on an empty stomach (one hour before or two hours after meals) with a full glass of water as directed.
- Take all this medication as prescribed.
- Do not skip doses or stop taking this without your doctor's approval.
- Stopping therapy too soon may result in ineffective treatment.
- For best results, take this medication at evenly spaced intervals throughout the day and night to keep your blood level constant.
- Antacids may reduce the absorption of rifampin.
- Take this drug at least one hour before taking any antacids.
Side Effects
- Stomach upset, heartburn, gas, diarrhea, sweating, coughing, dizziness, trouble sleeping, acne, drowsiness or flushing may occur.
- If any of these effects persist or worsen, notify your doctor.
- Notify your doctor if you develop weakness, unusual bruising or bleeding, headache, muscle aches, vomiting, yellowing of the eyes or skin, dark urine, pale stools, numbness or tingling of the hands or feet, joint pain, changes in vision, confusion, memory trouble, fever, sore throat or chills.
- This medication may cause urine, saliva, tears and sweat to turn red-orange in color.
- Do not be alarmed.
- This will disappear when the medication is stopped.
- Soft contact lenses may be permanently discolored by this medication.
- In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention.
- Symptoms of an allergic reaction include rash, itching, swelling, dizziness or trouble breathing.
- If you notice other effects not listed above, contact your doctor or pharmacist.
Precautions
- Tell your doctor if you have any pre-existing liver disease, kidney disease, gout, diabetes, blood disorders, history of alcohol use and of any allergies.
- Alcohol can reduce the effectiveness of this medication and increase side effects.
- Limit alcohol consumption while using this medication.
- Use caution operating machinery or participating in activities requiring alertness if this medication makes you feel drowsy or dizzy.
- This medication should be used only if clearly needed during pregnancy or while breast-feeding.
- Discuss the risks and benefits with your doctor.
Missed Dose
- Try to take each dose at the scheduled time.
- If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule.
- Do not "double-up" the dose to catch up.
Drug Interactions
- Inform your doctor about all the medicines you may use (both prescription and nonprescription) especially if you take warfarin, oral medicines for diabetes, azole antifungals (e.g., itraconazole, ketoconazole), theophylline, halothane, verapamil, certain protease inhibitors (e.g., nelfinavir), corticosteroids (e.g., prednisone), disopyramide, beta-blockers (e.g., metoprolol), isoniazid, digitoxin, quinidine, mexiletine, phenytoin, cyclosporine, zidovudine and live vaccines.
- Rifampin can decrease the effectiveness of oral contraceptives.
- Discuss the use of other birth control methods with your doctor.
- Also report drugs which cause drowsiness such as sedatives, tranquilizers, psychiatric medicines, anti-seizure or anti-anxiety drugs, narcotic pain relievers and certain antihistamines (e.g., diphenhydramine).
- Avoid foods containing large amounts of histamine or tyramine as it can result in headache and flushing.
- Foods to avoid include tuna fish, skipjack fish, pickled herring, sausages, liver, game meat, sauerkraut, yeast extract, red wines, sherry, aged cheese, figs, raisins, soy sauce, avocado, fava beans, chocolate, caffeine.
- Do not start or stop any medicine without doctor or pharmacist approval.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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