Norvir

Norvir is used for:

Treating HIV in combination with other medicines.

Norvir is an HIV protease inhibitor. It works by blocking the growth of HIV.

Do NOT use Norvir if:

• you are allergic to any ingredient in Norvir
• you are taking alfuzosin, amiodarone, astemizole, bepridil, cisapride, dihydroergotamine, ergonovine, ergotamine, flecainide, fluticasone, lovastatin, methylergonovine, midazolam, pimozide, propafenone, quinidine, simvastatin, St. John's wort, terfenadine, triazolam, or voriconazole

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

Before using Norvir :

Some medical conditions may interact with Norvir . 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 taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines (including allergies to sulfas [eg, sulfamethoxazole], aspirin, or nonsteroidal anti-inflammatory drugs [NSAIDs] [eg, ibuprofen]), foods, or other substances
• if you have diabetes or high blood sugar, liver problems (eg, hepatitis B or C), hemophilia, high cholesterol or triglyceride levels, or a history of inflammation of the pancreas
• if you have a history of heart problems (eg, heart failure, conduction abnormalities) or heart blood vessel problems
• if you take another HIV protease inhibitor (eg, atazanavir, tipranavir)

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

• St. John's wort because it may decrease Norvir 's effectiveness
• Alfuzosin, amiodarone, astemizole, bepridil, cisapride, dihydroergotamine, ergonovine, ergotamine, flecainide, fluticasone, lovastatin, methylergonovine, midazolam, pimozide, propafenone, quinidine, simvastatin, terfenadine, or triazolam because the risk of side effects, including irregular heartbeat, severe drowsiness, trouble breathing, or muscle problems, may be increased
• Rifampin because it may decrease Norvir 's effectiveness
• Voriconazole because its effectiveness may be decreased by Norvir
• Many prescription and nonprescription medicines (eg, used for infections, HIV, inflammation, allergic reactions, breathing problems, pain, birth control, blood thinning, cancer, irregular heartbeat, other heart problems, high blood pressure, high cholesterol, immune suppression, erectile dysfunction, seizures, sleep disorders, depression, other mood or mental problems), multivitamin products, and herbal or dietary supplements (eg, herbal teas, coenzyme Q10, garlic, ginseng, ginkgo, St. John's wort) may interact with Norvir , increasing the risk of their side effects

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