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Published on: 8/20/2026

What are the symptoms and causes of pus in the urethra?

Pus in the urethra, known as urethral discharge, is most commonly caused by sexually transmitted infections (such as gonorrhea or chlamydia), urinary tract infections, or irritation from foreign objects. Symptoms often include cloudy or yellow discharge, burning during urination, and pelvic discomfort.

Because urethral pus can signal a range of conditions—some minor, others requiring prompt antibiotic treatment—identifying the underlying cause quickly matters. Take a free, instant, online symptom check to better understand your symptoms and confidently plan your next steps.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Pus in the urethra is often a sign that there is something wrong, like an infection or a foreign object. According to the provided references, pus can be caused by issues such as a broken piece of a catheter left in the urethra, which might lead to infection or irritation. Urethral discharge can also be related to other conditions, like constipation or hemorrhoids, which may affect the urethra indirectly.

Symptoms of Pus in the Urethra:

  • Discomfort or Pain: You might feel pain when you urinate at the urethra opening or in the lower abdominal area.
  • Unusual Discharge: There could be a yellow or greenish fluid coming from the urethra, which is the pus.

Possible Causes:

  1. Infections: Bacteria or other germs can get into the urethra and cause an infection.
  2. Foreign Objects: Sometimes, pieces of medical tools like catheters can break and stay inside, causing problems.

If you notice these symptoms, it is important to get a proper evaluation. You can start by using Ubie's free AI symptom checker to help identify potential causes and understand when you should seek medical care. Remember, this information is for educational purposes and not a substitute for professional medical advice.

(References)

  • Vinson RK, & Koff SA. (1977). Intermittent catheterization in the treatment of acute .... The Journal of urology, 833983.

  • Shafik A. (1981). Urethral discharge, constipation, and hemorrhoids. New .... Urology, 7269018.

  • Hong YK, Yu YD, Kang MH, Lee SR, Park DS, & Oh JJ. (2014). A Forgotten Segment of a Broken Urethral Catheter. Urology case reports, 26955546.

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