Blood in the Urine (Hematuria) Topic Guide
Blood in the Urine: Blood in the urine (hematuria) can be associated with many conditions, some of which can be dangerous. Causes of blood in the urine include
Enlarged Prostate A man's prostate gland usually starts to enlarge after he reaches age 40 years or middle age. This condition is called benign prostatic hyperplasia (BPH) or benign prostatic hypertrophy. As the prostate gland grows, it may press on the urethra and cause difficulty with urination. Medications and surgery are available if an enlarged prostate is causing problems.