Make contact with your doctor or seek out unexpected emergency medical focus If the erection is distressing or lasts lengthier than 4 hours. A prolonged erection (priapism) can injury the penis.Viagra is made use of to deal with erectile dysfunction (impotence) in Males. Another model of sildenafil is Revatio, which can be used to deal with pulmona

Viagra can lessen blood circulation for the optic nerve of the eye, leading to sudden vision reduction. This has occurred in a little amount of folks using sildenafil, most of whom also had heart problems, diabetes, substantial hypertension, significant cholesterol, or selected pre-present eye problems, As well as in those that smoked or had been a