Erectile dysfunction

A problem in which, during a long period of time, a man almost never gets an erectionErectionA hard penis. A man gets an erection when he is sexually aroused…Read more or cannot maintain an erection. It is normal that a man sometimes cannot get an erection. A man only has erectile dysfunctionErectile dysfunctionA problem in which, during a long period of time, a man almost…Read more when this occurs often and during longer periods of time.