Heart problems (chest pain, a heart rhythm disorder, heart attack) To make sure sildenafil is safe for you, tell your doctor if you have ever had: Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. If you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas).ĭo not take this medicine if you are also using a nitrate drug for chest pain or heart problems. You should not use sildenafil if you are allergic to it, or: Stop using sildenafil and get emergency medical help if you have sudden vision loss. A prolonged erection ( priapism) can damage the penis. Do not take sildenafil with riociguat.Ĭontact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. Tell your doctor about all your current medicines, especially riociguat ( Adempas). Some medicines can cause unwanted or dangerous effects when used with sildenafil. Warningsĭo not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers".
Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men.Īnother brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.ĭo not take Viagra while also taking Revatio. Sildenafil relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Generic name: sildenafil (oral) ĭrug classes: Agents for pulmonary hypertension, Impotence agents
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