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What causes blood in semen and painful urination? 9 possible conditions

See a list of possible causes in order from the most common to the least.



Urethritis is an infection of the urethra, the tube that carries urine from the bladder and semen out of the body. Symptoms include burning while urinating, abdominal pain, and discharge.

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Prostatitis is inflammation of the prostate gland, which produces a fluid found in semen. The inflammation may spread to the area around the prostate. Causes include bladder infection, STDs, and injuries to the prostate.

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Urethral Stricture

Usually the urethra is wide enough for urine to flow freely through it. When it narrows, it can restrict urinary flow. This is known as a urethral stricture.

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Bladder Cancer

Bladder cancer occurs in the tissues of the bladder, which is the organ that holds urine. Fatigue, weight loss, painful or frequent urination, and abdominal or back pain are symptoms.

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Epididymitis is inflammation of the epididymis, the tube located at the back of the testicles that stores and carries sperm. It's usually caused by a bacterial or sexually transmitted infection.

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Chronic Nonbacterial Prostatitis

Chronic nonbacterial prostatitis causes pain and inflammation in the prostate and the lower urinary tract in men. It's a common condition, especially in men between the ages of 35 and 50 and the cause is often unknown.

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Orchitis is the inflammation of the testicles. It can be caused by either bacterial or viral infection such as the mumps or certain STIs. Symptoms are often restricted to just one testicle in most men.

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Prostate Cancer Overview

Learn prostate cancer information, causes, symptoms and treatments.

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Reactive Arthritis (Reiter's Syndrome)

Reiter's syndrome produces inflammation, swelling, and pain in the joints due to infection elsewhere in the body. Symptoms include mouth ulcers, painful urination, and urethral discharge.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.