What might cause a sharp pain between the anus and scrotum?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Sharp pain between the anus and scrotum (the perineum) often points to specific underlying issues, most commonly bacterial infections such as streptococcal cellulitis, prostatitis, or conditions affecting the pelvic nerves and muscles like pudendal neuralgia or pelvic floor dysfunction. Less commonly, it may signal an abscess, hernia, or referred pain from nearby structures.

Because the causes vary widely—from easily treatable infections to nerve-related conditions requiring specialized care—identifying the source early can make a meaningful difference in recovery and comfort. Guessing prolongs discomfort and may delay proper treatment. Take 3 minutes to complete a free, AI-powered symptom check to better understand possible causes and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Sharp pain in the area between the anus and scrotum, known as the perineum, can have several causes. One possible cause is an infection, like streptococcal cellulitis, which affects the skin and tissues in that area. This condition can lead to redness, swelling, and pain. Another serious condition that could cause pain is Fournier gangrene, a severe infection that can spread quickly and requires immediate medical attention.

Additionally, pain in this area might be linked to issues with the spine, such as lumbar disc degeneration. This condition involves changes in the lower back's discs, which can lead to nerve pain that might be felt in the perineum.

If you're experiencing sharp pain in this area, you can use our free AI symptom checker to help identify potential causes and determine the appropriate next steps. Addressing these conditions early can help prevent complications, so seeking medical advice is important.

(References)

Haury B, Rodeheaver G, Stevenson T, Bacchetta C, Edgerton MT, & Edlich RF. (1975). Streptococcal cellulitis of the scrotum and penis with .... Surgery, gynecology & obstetrics, 1098183.
Becker de Moura H, & Ribeiro-Silva A. (2007). Death resulting from fournier gangrene secondary to .... Diseases of the colon and rectum, 17846838.
Liyew WA. (2020). Clinical Presentations of Lumbar Disc Degeneration and .... International journal of rheumatology, 32908535.

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