VIAGRA sildenafil citrate is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to the nominally indicated amount of sildenafil and debossed on the obverse and reverse sides as follows: 25 mg. But, you should still see your doctor to discuss other health issues. The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider. This finding is consistent with the inhibition of PDE6, which is involved in phototransduction in the retina. It can be dangerous to take sildenafil if you also take medicines called nitrates often given for chest pain. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy NAION.Talking to your doctor before taking any type of sexual enhancement supplement can help you to reduce the risk of any problems. Using the supplement as directed can also help . AdHazte con las últimas tendencias en moda de mujer, hombre e infantil. Rx has been visited by 1M+ users in the past month. VIAGRA can cause your blood pressure to drop suddenly to an unsafe level if taken with certain other medicines. Do not take VIAGRA if you take any other medicines called “nitrates.” Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke.