Erectile dysfunction makes it difficult to regularly attain or keep a firm enough erection to have sex. This can interfere with both sexual activity and quality of life, but medications and other treatments are available.

Some people will occasionally experience some difficulty with their penis becoming hard or staying firm. However, erectile dysfunction (ED) is often only a concern if satisfactory sexual performance is consistently impossible.

People may sometimes refer to ED as impotence.

The awareness that ED can be a treatable condition has increased since the discovery that the drug sildenafil, or Viagra, affected penile erections. However, people who have a problem with their sexual performance may be reluctant to talk with their doctor, seeing it as an embarrassing issue.

ED is now well understood and there are various treatments available.

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