rifabutin - oral, Mycobutin (cont.)
PRECAUTIONS: Before taking rifabutin, tell your doctor or pharmacist if you are allergic to it; or to other rifamycins (such as rifampin); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, a certain blood disorder (porphyria).Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).Rifabutin may cause live bacterial vaccines (such as typhoid vaccine) not to work as well. Therefore, do not have any immunizations/vaccinations while using this medication without the consent of your doctor.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is unknown if this medication passes into breast milk. Discuss the risks and benefits with your doctor before breast-feeding. If you have HIV disease, do not breast-feed because breast milk can transmit HIV.
DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: azole antifungals (such as fluconazole, itraconazole, voriconazole), ciprofloxacin, delavirdine, macrolide antibiotics (such as clarithromycin).Rifabutin can speed up the removal of other medications from your body, which may affect how they work. Examples of affected drugs include cyclosporine, lurasidone, phenytoin, ranolazine, tacrolimus, tasimelteon, "blood thinners" (such as warfarin), calcium channel blockers (such as diltiazem, verapamil), among others.This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Discuss with your doctor or pharmacist if you should use additional reliable birth control methods while using this medication. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.
Medically Reviewed by a Doctor on 4/16/2014
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