Flushing the prostate usually does not affect the kidneys. Although both kidneys and prostate belong to the urinary system, they are not directly related and are two different and independent organs. Flushing the prostate is often used in the treatment of prostatitis. A catheter is inserted into the urethra to allow the medicine to act directly on the prostate, which is simpler to operate. Flushing the prostate gland has the effect of relieving prostate symptoms and eliminating inflammation. Flushing the prostate does not affect the kidneys. However, bad lifestyle such as drinking a lot of alcohol, staying up late, etc. will easily affect the kidneys and jeopardize the function of the kidneys, which should be paid attention to and prevented in life. If the patient is not feeling well after flushing the prostate, it is recommended to go to the regular hospital in time to consult the doctor and take active treatment, so as to avoid delaying the condition.