What are the symptoms of blood in men?

Men's urinary blood may be urinary system infection, stones, tumors and other causes of symptoms. 1, urinary system infection cystitis, urethritis or pyelonephritis and other infections, will cause urethral mucosal tissue damage, and then cause urinary blood. 2, stones kidney stones, bladder stones and other diseases, in urination may scratch the urethral wall and cause urinary blood. 3, the tumor's own urinary system tumor, with the development of the disease, tumor volume continues to increase, may produce compression stimulation of the surrounding blood vessels, leading to bleeding. It is recommended that men with urinary blood to the hospital to check the cause, to be clear after the cause with the doctor to implement targeted treatment.