an erection that won't disappear (priapism). In case you have an erection that lasts in excess of 4 several hours, get clinical enable without delay. If it is not treated at once, priapism can permanently destruction your penis. sudden vision reduction in one or each eyes. Unexpected vision reduction in a single or each eyes is usually a sign of a

VIAGRA is made up of sildenafil, which is the same medication found in another drug identified as REVATIO. REVATIO is utilised to treat a uncommon sickness referred to as pulmonary arterial hypertension (PAH).VIAGRA may possibly have an affect on just how other medicines get the job done, and also other medicines may affect the best way VIAGRA will