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Why does my semen have brown or red spots?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I am 32 years old, and I have an active sex life with my girlfriend. I go to the gym and take creatine and whey protein. My question is: why does my semen have brown or red spots?

Please guide.

Hi,

Welcome to icliniq.com.

I read your query and understand your concern.

Thank you for sharing the photo and the details (attachment removed to protect the patient's identity). The brown or red spots in your semen are most likely due to hematospermia, which means there are tiny amounts of old blood mixed with semen. Hematospermia appears as small brownish or rusty-colored flecks, similar to what you have shown.

In men your age, hematospermia is almost always harmless and usually resolves on its own within one to three weeks. It does not affect fertility, erections, or future sexual health.

The common causes for hematospermia in your case include the following:

  1. Minor inflammation of the prostate or seminal vesicles.
  2. Recent frequent sexual activity or masturbation.
  3. Pelvic congestion.
  4. Straining, heavy lifting, or intense gym workouts.
  5. Dehydration.
  6. Recent vigorous intercourse.

It is important to note that creatine and whey protein do not cause blood in semen. To reduce the symptoms, I suggest the following recommendations for you:

  1. Stay well-hydrated, especially during gym workouts.
  2. You should avoid very vigorous sex or masturbation for five to seven days.
  3. Consider taking warm sitz baths (ten minutes once a day) to help reduce inflammation.
  4. You should avoid heavy straining in the gym for a few days.

You should consult your local urologist for a detailed examination if any of the following symptoms occur:

  1. The brown or red spots continue for more than three to four weeks in your semen.
  2. The spots become bright red blood.
  3. You experience pain, burning during urination, fever, or testicular discomfort.
  4. You notice blood in your urine.

If your symptoms persist for weeks, you should have tests to identify the exact cause. I recommend the following tests for you.

  1. Urinalysis and urine culture.
  2. STD (sexually transmitted diseases) panel (Chlamydia or Gonorrhea).
  3. Pelvic or transrectal ultrasound.

Currently, this appears to be completely benign. Most men experience this at least once. Let us monitor the situation for one to two weeks, as it usually resolves on its own.

If the discoloration increases or you notice any new symptoms, please send me an update, and I will provide further guidance.

I hope I have addressed all your questions. If there is anything else, please let me know.

Thank you.

Medically reviewed byiCliniq medical review team

Published At February 16, 2026
Reviewed AtFebruary 18, 2026

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