LEVITRA
Generic Name: vardenafil (var DEH na fil) Brand Names: Levitra Vardenafil (Levitra) is a PDE5 inhibitor used in the treatment of erectile dysfunction. It can assist men with this disorder in achieving and maintaining an erection during sexual activity. As a PDE5 inhibitor, vardenafil is closely related in both function and marketing to sildenafil and tadalafil; it has a relatively short effective time, comparable to sildenafil.
Vardenafil comes as a tablet to take by mouth. It is usually taken as needed, with or without food, 60 minutes before sexual activity. Vardenafil usually should not be taken more often than once every 24 hours. If you have certain health conditions or are taking certain medications, your doctor may tell you to take vardenafil less often. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take vardenafil exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Your doctor will probably start you on an average dose of vardenafil and increase or decrease your dose depending on your response to the medication. Tell your doctor if vardenafil is not working well or if you are experiencing side effects. Vardenafil relaxes muscles within the penis. This allows increased blood flow into the penis which is necessary to achieve and maintain an erection. Vardenafil is used to treat erectile dysfunction (impotence). Vardenafil may also be used for purposes other than those listed in this medication guide.  Before prescribing Levitra, your physician must know about all medications you use, including over the counter products. Especially important are any nitrate medications (e.g., nitroglycerin, isosorbide dinitrate), nitroprusside (any "nitric oxide donor" medicines), cimetidine, erythromycin, azole antifungals (e.g., itraconazole, ketoconazole), mibefradil, rifamycins (e.g., rifampin), or high blood pressure medicines. |
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Take the missed dose as soon as you remember. However, if it is almost time for the next regularly scheduled dose, skip the missed dose and take the next one as directed. Do not take a double dose of this medication. If you experience any of the following serious side effects, stop taking vardenafil and seek emergency medical attention or contact your doctor immediately: an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); chest pain or an irregular heartbeats; swelling of the ankles or legs; shortness of breath; prolonged or severe dizziness; fainting; a prolonged (lasting longer than 4 hours) or painful erection; dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw); back pain. Other, less serious side effects may be more likely to occur. Continue to take vardenafil and talk to your doctor if you experience: flushing; mild dizziness; headache; nasal congestion; stomach upset; sensitivity of the eyes to light; temporary blue tint in vision or other vision abnormalities. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. If sexual activity causes you to experience any angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw), nausea, dizziness let your doctor know. Men who have multiple myeloma (a disease of the bone marrow), sickle cell anemia, or leukemia may be prone to long lasting erections, so use Levitra with caution. Be cautious also if you have Peyronieís disease or any physical deformity. Call your doctor or go to the nearest emergency room if you experience an erection that continues for longer than four hours. Injury or impotence can result. Use Levitra cautiously if you have any bleeding disorders, retinitis pigmentosa, or a stomach ulcer. Using Levitra with these conditions has not been studied. Taking Levitra does not protect you from sexually transmitted diseases, such as HIV, the virus that causes AIDS. Levitra should not be taken by a woman. Its effects during pregnancy have not been studied. Keep Levitra in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication. Do not take vardenafil if you are taking any of the following medicines: a nitrate such as nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro, others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), isosorbide mononitrate (Imdur, ISMO, Monoket), and others; a recreational drug such as amyl nitrate or nitrite ("poppers"); an alpha blocker such as doxazosin (Cardura), guanadrel (Hylorel), prazosin (Minipress), terazosin (Hytrin), alfuzosin (Uroxatral), tamsulosin (Flomax), and others. Taking vardenafil with any of these medications may cause very low blood pressure, possibly resulting in dizziness, fainting, stroke, or heart attack Contact your doctor or seek emergency medical attention for any erection that lasts longer than 4 hours. A sustained erection can damage the penis. Refrain from further sexual activity and notify your doctor it you develop dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw) during sexual activity. Do not take vardenafil more than once a day. In some cases, use of vardenafil may be restricted to once every 72 hours (3 days). Follow your doctor's instructions.
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