We have medication used to treat impotence in men. It increases the body’s ability to achieve and maintain an erection during sexual stimulation. It does not protect you, however, from getting sexually transmitted diseases, including HIV.

An erection is the result of an increase in blood flow into certain internal areas of the penis. The medication works by enhancing the effects of one of the chemicals in the body normally released into the penis during sexual arousal. This allows an increase of blood flow into the penis.