What is the cause of frequent urination at night?

Frequent micturition is more common in clinical practice, and more common in women: 1. Urinary system infection: frequent micturition, urgency, urinary pain, hematuria, etc. White blood cells can be seen in urine routine, and sometimes red blood cells. Urinary ultrasound is generally normal. Treatment is mainly anti-infection, cephalosporins or quinolones can be selected. 2. Overactive bladder, more common in young and middle-aged women, with urgency as the main symptom, can be accompanied by frequent micturition, incomplete urine, etc. Urinary routine and urinary ultrasound are generally normal. M receptor blockers are the main treatment, pelvic floor muscle training helps to improve symptoms. Third, chronic cystitis: mainly glandular cystitis and interstitial cystitis. Frequent micturition, urinary pain and hematuria are the main clinical manifestations, cystoscopy can be clearly diagnosed, the clinical treatment effect at this stage is not good.