What is revatio drug

Call your doctor for medical advice about side effects. Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems. Taking sildenafil with a nitrate medicine can cause a serious decrease in blood pressure, leading to fainting, stroke, or heart attack. Do not take sildenafil more than once a day. Allow 24 hours to pass between doses. Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis. Sildenafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain preexisting eye problems, and in those who smoke or are over 50 years old.

It is not clear whether sildenafil is the actual cause of vision loss. Stop using sildenafil and get emergency medical help if you have sudden vision loss. Now, a penile implant is the last option considered. All rights reserved.

What do you know? Sildenafil relaxes muscles and increases blood flow to particular areas of the body. Sildenafil may also be used for other purposes not listed in this medication guide. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your what is revatio drug, lips, tongue, or throat. During sexual activity, if you become dizzy or nauseated, or have pain, what is revatio drug, or tingling in your what is revatio drug, arms, neck, or jaw, stop and call your doctor right away. You could be having a what is revatio drug side effect of sildenafil. Stop using sildenafil and call your doctor at once if you have any of these serious side effects: sudden vision loss; ringing in your ears, or sudden hearing loss; chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; irregular heartbeat; swelling in your hands, ankles, or feet; shortness of breath; vision changes; feeling lightheaded, fainting; or penis erection that is painful or lasts 4 hours or longer. Less serious side effects may include: warmth or redness in your face, neck, or chest; stuffy nose; headache; memory problems; upset stomach; or back pain. This is not a complete list of side effects and others may occur.