Urination

Urinary oliguria and dysuria are said to be astringent. Urinary volume less than 400 ml in 24 hours, or less than 17 ml per hour is called oliguria, and less than 100 ml in 24 hours, or no urine in 12 hours is called anuria (urinary closure) . Those who cannot excrete urine are called dysuria. Urinary pain refers to pain in the urethra or with the suprapubic area and perineum when the patient urinates. Urinary pain refers to feeling pain in the urethra, bladder, and perineum when urinating. The degree of pain is mild or severe, often burning-like, and severe as pain as a knife.