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What is an overnight erection test to test for erectile dysfunction (ED)?

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For this test, you will place a device around your penis before you go to sleep. It measures how many erections you have and how strong they are. A simpler version of this test uses a special plastic ring around your penis. If you get an erection, the ring breaks.

If the test shows that you can get erections, it’s more likely that the ED is caused by something mental or emotional.

SOURCES:

NIH, National Institute of Diabetes and Digestive and Kidney Issues: “Erectile Dysfunction.”

Mayo Clinic: “Erectile Dysfunction.”

National Health Service: “Erectile dysfunction (impotence).”

Cleveland Clinic: “Diagnosing Erectile Dysfunction.”

American Thyroid Association, “Thyroid.”

Reviewed by Sabrina Felson on November 14, 2018

SOURCES:

NIH, National Institute of Diabetes and Digestive and Kidney Issues: “Erectile Dysfunction.”

Mayo Clinic: “Erectile Dysfunction.”

National Health Service: “Erectile dysfunction (impotence).”

Cleveland Clinic: “Diagnosing Erectile Dysfunction.”

American Thyroid Association, “Thyroid.”

Reviewed by Sabrina Felson on November 14, 2018

NEXT QUESTION:

What is an intracavernosal test to help with ED diagnosis?

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