Skip to content
WebMD: Better Information. Better Health.
Other search tools:Symptoms|Doctors|Videos

Erectile Dysfunction Health Center

ED: Test Your Knowledge
True or false?
ED Drugs
Find reviews & research options.
Sexual Dysfunction
Get the facts.

Erectile Dysfunction Overview

Erectile dysfunction or ED is the inability to achieve or sustain an erection suitable for sexual intercourse. Problems with erections may stem from medications, chronic illnesses, poor blood flow to the penis, drinking too much alcohol, or being too tired. Lifestyle changes, medications, and other treatments are often used to treat ED.

Select a Chapter

Latest Headlines
New Erection Drug Faster, Safer?
A still experimental erectile dysfunction drug -- avanafil -- promises erections in just 30 minutes or less, according to a study by the drug's manufacturer.

Community & Resources

Erection Problem Checklist

An occasional problem achieving an erection is nothing to worry about. But failure to do so more than 50% of the time at any age may indicate a condition that needs treatment. Are you at risk for erectile dysfunction (ED)? Take the following quiz and find out.

  1. Are you overweight?Yes or No
Video
48x48_marks_differences_ed_meds.jpg

How to decide which ED medication is right for you.

Watch Video