Why might someone experience penis pain after sex?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Penile pain after sex is often caused by injuries sustained during intercourse, including ruptured veins, trauma to the penile tissue, or a condition known as hard flaccid syndrome. Other possible causes include friction irritation, allergic reactions, infections, or underlying pelvic floor dysfunction.

Because these causes range from minor to serious, identifying the source of your pain quickly is important. Ignoring symptoms could lead to complications, while early recognition can help you get the right treatment faster. A free, instant, online symptom check can help you understand what may be behind your discomfort and guide your next steps—whether that's home care, seeing a general practitioner, or consulting a urologist. It takes just a few minutes and could save you days of worry.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Experiencing penis pain after sex can be concerning, but it can occur for several reasons.

Vein Rupture: Sometimes, a vein in the penis, like the deep dorsal vein, can rupture during sex. This can cause pain and swelling.
Tissue Injury: The penis has different parts, including the corpus spongiosum, which can get injured during sex. Such injuries can lead to pain and discomfort.
Hard Flaccid Syndrome: This is a condition where the penis remains semi-hard and causes pain. It can happen after sexual activity and might feel uncomfortable.

If you experience pain that doesn't go away, you can use a free symptom checker to help identify possible causes and determine whether you should seek medical care. A healthcare provider can help figure out what's going on and suggest ways to feel better.

(References)

Nicely ER, Costabile RA, & Moul JW. (1992). Rupture of the deep dorsal vein of the penis during sexual .... The Journal of urology, 1729512.
Anastasiou I, Anastasiou A, Katafigiotis I, Tsavdaris D, & Constantinides C. (2019). Isolated corpus spongiosum injury after sexual intercourse. Archivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica, 30655643.
Gul M, Towe M, Yafi FA, & Serefoglu EC. (2020). Hard flaccid syndrome: initial report of four cases. International journal of impotence research, 30890780.

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