What is Erectile Dysfunction?

Erectile Dysfunction Overview

Erectile dysfunction, also called impotence, is the inability to attain or maintain an erection of the penis that is firm enough for penetration during sexual intercourse. To initiate and maintain an erection, the penis must fill with blood. Nerve signals stimulate this engorgement. They prompt the blood vessels in the penis to expand so blood can fill it. Meanwhile, other blood vessels constrict, trapping blood inside.

Male Genitourinary System
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The following factors can cause erectile dysfunction:

Venous Leak:If the blood vessels (veins), which normally are compressed by the blood filling the penis during an erection, are not fully compressed, an erection may not be attainable, or may not last long. This can be caused by injury or diseases which prevent the full...



Erectile Dysfunction Causes


A risk factor is something that increases your likelihood of getting a disease or condition.

It is possible to develop erectile dysfunction with or without the risk factors listed below. However, the more risk factors you have, the greater your likelihood of developing erectile dysfunction. If you have a number of risk factors, ask your healthcare provider what you can do to reduce your risk.

Risk factors include:

Age

The incidence of erectile dysfunction rises with age, with about 5% at age 40, to 15%-25% at age 65 and older.

Medical Conditions

• Certain medical conditions can increase your risk of erectile dysfunction, including:
• Diabetes
• Cardiovascular disease
• Arteriosclerosis (hardening of arteries)
• Chronic kidney disease *...