NOT KNOWN FACTUAL STATEMENTS ABOUT VIAGRA

an erection that will not disappear (priapism). When you've got an erection that lasts greater than 4 hrs, get professional medical help at once. If It's not at all treated instantly, priapism can permanently hurt your penisVIAGRA includes sildenafil, which is the same medication found in A different drug known as REVATIO. REVATIO is applied to tre