NOT KNOWN FACTS ABOUT HOW TO GET A HARD ERECTION

aan erection that won't go away (priapism). Should you have an erection that lasts in excess of four hrs, get health-related help right away. If It's not dealt with immediately, priapism can completely hurt your penis. unexpected vision loss in one or both eyes. Sudden eyesight decline in one or each eyes can be a sign of a significant eye trouble