NOT KNOWN FACTUAL STATEMENTS ABOUT VIAGRA

aan erection that won't go away (priapism). For those who have an erection that lasts in excess of 4 hrs, get professional medical help straight away. If It isn't handled instantly, priapism can forever harm your penis. sudden vision reduction in a single or both eyes. Unexpected eyesight loss in a single or the two eyes can be a signal of a seriou