Blood in semen, also called haematospermia, can happen to men at any age after puberty. It is most common in men aged 30 to 40 years and in men over 50 years of age with benign prostate enlargement. Most cases go away in time without treatment.
The symptoms that can occasionally accompany blood in the semen may be any of the following, depending upon the cause (these are not all inclusive):
Painful urination
Pain with ejaculation
Blood in urine
Lower back pain
Fever
Tenderness in the testes and/or scrotum
Swelling in the testes and/or scrotum
Swelling or tenderness in the groin area