What are the disadvantages of holding urine often

Often hold urine is a bad habit, its harm has a lot, often hold urine, urine in the body stay time is prolonged, easy to bacterial reproduction complicated urinary tract infection, especially female patients urethra is relatively short, and very close to the vagina and anus, it is easy to be infected by bacteria, resulting in urinary tract infection. Sedentary bladder pressure increases, will make the ureter bladder opening relaxation, causing urine reflux, resulting in hydronephrosis, can be complicated by pyelonephritis, serious can affect the function of the kidneys. Male patients sedentary bladder, can cause repeated congestion of the prostate compression, easy to cause prostatitis, resulting in frequent micturition, urinating, lumbosacral perineal discomfort these symptoms.