What causes more urine in the evening?

Men urinate more at night, which may be frequent urination, increased number of nocturnal urination. Generally after sleep, because of a large number of lower limbs back to the blood volume increased, it will cause kidney perfusion increased, the formation of urine will be more. In this case, if the bladder capacity is normal, general frequent urination is not serious. If because of prostatic hyperplasia, bladder capacity decreased, it will show frequent urination. It is recommended to do transrectal prostate color ultrasound examination to determine the size of the prostate, whether there is residual urine in the bladder. If there is, it is caused by prostate hyperplasia. This situation to drug treatment, most common is oral alpha blockers, oral one tablet every night before bed, can alleviate frequent urination, increased number of nocturnal urination, improve sleep quality.