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Blood in Semen (Hematospermia)

Blood in your semen is called hematospermia. It may be stressful to see, but in many cases it's not a sign of a serious problem. It may be caused by an infection or inflammation. It’s a common after-effect of a prostate biopsy, vasectomy, or other procedure. In some people, the cause isn't found but the bleeding stops over time.

Blood in semen may be caused by any of these:

  • Enlarged vein in the prostate gland

  • Enlarged prostate gland (benign prostate hyperplasia)

  • Infection in any tube that sends fluid out of the penis

  • Infection of the prostate gland

  • Injury from prostate biopsy

  • Injury to the pelvis or testicles

  • Radiation therapy

  • Sexually transmitted infection (STI)

  • Vasectomy

In some cases, the bleeding may be caused by any of these:

  • Bleeding disorder

  • Frequent ejaculation

  • Growth such as a polyp, cyst, or cancer tumor

  • High blood pressure

  • HIV

  • Kidney disease

  • Leukemia

  • Liver disease

The healthcare team will ask you questions about your:

  • Sexual history

  • Recent injury

  • Recent procedures

  • Any other symptoms

To find the cause, a healthcare provider will examine your penis. They will give you a digital rectal exam (DRE). This means a healthcare provider uses their finger to feel for growths or other problems in the prostate area.

Home care

The bleeding may stop on its own in a few weeks, up to 2 months.

If you were given antibiotic medicine for infection, take it exactly as directed. Don't stop taking it if your symptoms stop. Take all the medicine until it's gone.

Follow-up care

Contact your healthcare provider as advised. If you are over age 40 or at higher risk of cancer, you may need more tests. These may include:

  • Blood test

  • CT scan

  • Cystoscopy

  • MRI scan

  • Ultrasound

  • Urine test

You may be referred to a urologist. This is a doctor who focuses on problems in the urinary tract and male genitals.

When to get medical attention

Call your healthcare provider if you have any of these:

  • Fever of 100.4ºF (38ºC) or higher, or as advised by your healthcare provider

  • Blood in your urine

  • Pain when you pee

  • Trouble peeing

  • Pain when semen comes out of the penis

  • Fluid leaking from the tip of the penis

  • Blood in semen longer than 2 months

Online Medical Reviewer: Marc Greenstein MD
Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
Date Last Reviewed: 6/1/2023
© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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