Prescription Viagra Troche Drug Information

Viagra Troche is used to improve the ability to exercise in people with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Viagra Troche is in a class of medications called phosphodiesterase (PDE) inhibitors. Viagra Troche treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Viagra Troche treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. If you are taking Viagra Troche to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Viagra Troche does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV). Take Viagra Troche as needed before sexual activity. The best time to take Viagra Troche is about 1 hour before sexual activity, but you can take the medication any time from 4 hours to 30 minutes before sexual activity. Viagra Troche usually should not be taken more than once every 24 hours. You can take Viagra Troche with or without food. However, if you take Viagra Troche with a high-fat meal, it will take longer for the medication to start to work. If you are taking Viagra Troche to treat PAH, follow your doctor's directions and the guidelines in this paragraph. You will probably take Viagra Troche three times a day with or without food. Take Viagra Troche at around the same times every day, and space your doses about 4 to 6 hours apart Before taking Viagra Troche: Tell your doctor and pharmacist if you are allergic to Viagra Troche or any other medications.Do not take Viagra Troche if you are taking or have recently taken nitrates (medications for chest pain) such as isosorbide dinitrate (Isordil), isosorbide mononitrate (Imdur, ISMO), and nitroglycerin (Nitro-BID, Nitro-Dur, Nitroquick, Nitrostat, others). Nitrates come as tablets, sublingual (under the tongue) tablets, sprays, patches, pastes, and ointments. Ask your doctor if you are not sure whether any of your medications contain nitrates. Do not take street drugs containing nitrates such as amyl nitrate and butyl nitrate ('poppers') while taking Viagra Troche. Tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Be sure to mention any of the following: alpha blockers such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), tamsulosin (Flomax), and terazosin (Hytrin); amlodipine (Norvasc); certain antifungals such as itraconazole (Sporanox) and ketoconazole (Nizoral); anticoagulants ('blood thinners') such as warfarin (Coumadin); certain barbiturates such as butalbital (in Esgic-Plus, in Fioricet, in Fiorinal, others) and secobarbital (Seconal); beta blockers such as atenolol (Tenormin), labetalol (Normodyne), metoprolol (Lopressor, Toprol XL), nadolol (Corgard), and propranolol (Inderal); bosentan (Tracleer); cimetidine (Tagamet);efavirenz (Sustiva); erythromycin (E.E.S., E-Mycin, Erythrocin); HIV protease inhibitors including amprenavir (Agenerase), atazanavir (Reyataz), darunavir (Prezista), fosamprenavir (Lexiva), indinavir (Crixivan), lopinavir (in Kaletra), nelfinavir (Viracept), ritonavir (Norvir, in Kaletra), saquinavir (Fortovase, Invirase), and tipranavir (Aptivus); nevirapine (Viramune); other medications or devices to treat erectile dysfunction;medications for high blood pressure; certain medications for seizures including carbamazepine (Carbatrol, Epitol, Tegretol), phenobarbital, and phenytoin (Dilantin, Phenytek); rifabutin (Mycobutin); and rifampin (Rifadin, Rimactane).