MedlinePlus

MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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MedlinePlus at a Glance

Offers information on health topics, human genetics, medical tests, medications, dietary supplements, and healthy recipes.
Sourced from more than 1,600 selected organizations.
Provides 40,000 links to authoritative health information in English and 18,000 links to information in Spanish.
In 2018, 277 million users viewed MedlinePlus more than 700 million times.

Penis Disorders

Problems with the penis can cause pain and affect a man's sexual function and fertility. Penis disorders include:

Erectile dysfunction - inability to get or keep an erection
Priapism - a painful erection that does not go away
Peyronie's disease - bending of the penis during an erection due to a hard lump called a plaque
Balanitis - inflammation of the skin covering the head of the penis, most often in men and boys who have not been circumcised
Penile cancer - a rare form of cancer, highly curable when caught early