This contribution focuses on the signs of erectile dysfunction and side effects of Viagra. Viagra is a medication used to nurse divers conditions. Erectile dysfunction, set as the persistent failure to achieve an erection to the orgasm, act an estimated 15 to 30 millions men in the U.S. alone. Without fail, sexual disorders can help depression and reaffirm the joys of living. There are more than 200 prescription medicaments can cause erectile dysfunction, including certain blood pressure medicaments, pain medications, and certain antidepressants.