Step 4: Read and complete the decision guide to learn more about your symptoms.
Blood in the Urine in Men
Large blood clots can signal a medical emergency. So can blood in the urine that's accompanied by pain in the back, sides, lower abdomen or groin. This type of pain may be caused by
injury to the kidneys or bladder
urinary tract infections
tumors of the kidney, prostate or bladder.
Has the blood in your urine occurred around the same time as pain in your back, sides, belly or groin?