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Evaluation of male sexual dysfunction

Glenn R Cunningham, MD
Mohit Khera, MD, MBA, MPH
Section Editors
Peter J Snyder, MD
Alvin M Matsumoto, MD
Michael P O'Leary, MD, MPH
Deputy Editor
Kathryn A Martin, MD


Male sexual dysfunction has long been known to be common. Of late, knowledge of normal male sexual function and the causes of sexual dysfunction have become better understood, and more effective treatments are available. Male sexual dysfunction includes erectile dysfunction (ED), diminished libido, and abnormal ejaculation.

This topic will review the evaluation of male sexual dysfunction. An overview of male sexual dysfunction, treatment of men with sexual dysfunction, and sexual dysfunction associated with selective serotonin reuptake inhibitors (SSRIs) are discussed separately. (See "Overview of male sexual dysfunction" and "Treatment of male sexual dysfunction" and "Sexual dysfunction caused by selective serotonin reuptake inhibitors (SSRIs): Management".)


The following include some of the mechanisms that may be responsible for sexual dysfunction in men:

Libido declines with testosterone deficiency [1], stress, relationship issues, depression [2], systemic illness, and in association with the use of a number of prescription and recreational drugs. (See "Overview of male sexual dysfunction", section on 'Decreased libido'.)

There are many causes of erectile dysfunction (ED): vascular, neurologic, local penile factors, hormonal, drug induced, and psychogenic (table 1).

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Literature review current through: Nov 2017. | This topic last updated: Dec 16, 2015.
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