There is blood after the man urinates, how is pissing bleed to return a responsibility

Blood after urination, urine bleeding generally refers to hematuria, male hematuria may be related to physiological factors or pathological factors such as seminal vesiculitis, kidney stones. First, physiological factors If men usually exercise less, suddenly increase the amount of exercise may cause exercise hematuria, is a normal physiological phenomenon. Second, pathological factors 1, seminal vesiculitis Seminal vesiculitis is generally related to pathogenic microbial infection, inflammatory factors easy to damage local mucosal blood vessels, causing bleeding, blood and urine together out of the body, causing hematuria. 2, kidney stones may be related to metabolic abnormalities, improper medication and other factors, stone movement may damage the urinary tract mucosa, leading to blood vessel rupture, causing bleeding, blood and urine together, hematuria.