Why does it hurt after you pee?

After urinating, pain is more common in clinical practice: 1. Urinary infection: frequent micturition, urgency, pain, hematuria, etc. White blood cells can be seen in urine routine, urinary ultrasound is normal. Treatment is mainly anti-infection. 2. Chronic prostatitis: mostly seen in young and middle-aged men, frequent micturition, urgency, pain, poor urination, etc., urine routine and urinary ultrasound are normal. Treatment is mainly alpha receptor blockers + proprietary Chinese medicines. 3. Chronic cystitis: Mainly glandular cystitis and interstitial cystitis, pain in urine and hematuria as the main symptoms, can be accompanied by frequent micturition, urine does not wait, cystoscopy can be clearly diagnosed.