What is erectile dysfunction? WebMD's pictures explain the symptoms, causes, and treatments, including medicine and alternative approaches, for impotence., Erectile dysfunction (ED) is the inability to get or maintain an erection long enough to have sexual intercourse. There are many different causes, which may include conditions that affect your blood vessels, neurological conditions, mental health conditions and injuries. A healthcare provider can diagnose and treat erectile dysfunction., Erectile Dysfunction (ED) - Learn about the causes, symptoms, diagnosis & treatment from the Merck Manuals - Medical Consumer Version., Learn about the symptoms and causes of erectile dysfunction (ED). ED may be a symptom of another health problem. Emotional issues may cause or make ED worse., Men with erectile dysfunction (ED), or impotence, have trouble getting or keeping an erection. It is more common in older men. Learn about treatment., Erectile dysfunction (ED) is more common than most people realize—and far more treatable than many expect. Whether it happens occasionally or becomes a persistent issue, ED can affect confidence, relationships, and overall quality of life. But understanding what causes it, what treatment options are available, and which “truths” are actually myths can help you take control of your sexual .