PRECAUTIONS: Before taking nevirapine, tell your doctor or pharmacist if you are allergic to it; 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: liver problems (such as hepatitis B or C, cirrhosis), kidney dialysis, lactose or galactose intolerance.Rarely, this drug may make some people drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.During pregnancy, this medication should be used only when clearly needed. However, HIV medicines are now usually given to pregnant women with HIV. Treatment has been shown to decrease the risk of HIV transmission to the baby. Nevirapine may be part of that treatment. Discuss the risks and benefits with your doctor.Nevirapine passes into breast milk. Because breast milk can transmit HIV, do not breast-feed.
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: other NNRTIs (such as efavirenz, etravirine, rilpivirine), rifabutin, warfarin.Other medications can affect the removal of nevirapine from your body, which may affect how nevirapine works. Examples include azole antifungals (such as fluconazole), rifamycins (such as rifampin), St. John's wort, among others.Nevirapine can speed up the removal of many other medications from your body, which may affect how they work. Examples of affected drugs include antiarrhythmics (such as amiodarone), boceprevir, some drugs used to treat seizures (such as carbamazepine, clonazepam), itraconazole, ketoconazole, macrolide antibiotics (such as clarithromycin), methadone, telaprevir, among others.Some other drugs to treat HIV infection (including protease inhibitors such as atazanavir, ritonavir) may also interact with nevirapine. Your doctor will adjust your medications and monitor your treatment to reduce the risk of side effects.Do not use prednisone to prevent a rash because it can actually increase the risk of a rash during the first 6 weeks of nevirapine treatment. Ask your doctor for more details.This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Talk to your doctor about additional or alternative reliable forms of birth control, and always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity to decrease the risk of spreading HIV to others. Tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your hormonal birth control is not working well.
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