What are the symptoms and causes of urinary tract infections?

Symptoms of urinary tract infection include frequent micturition, urgency, pain in urination, dysuria, waist pain, etc., which need to be judged according to the infection site, such as cystitis, pyelonephritis, etc.; causes include structural urinary tract obstruction, functional urinary tract obstruction, low immunity, etc. 1. Symptoms 1. Cystitis If the patient is inflammation of the bladder, symptoms such as frequent urination, urgency of urination, urinary pain, perineal discomfort may appear clinically. 2. Pyelonephritis If the patient is inflammation of the kidney, symptoms such as urinary blood, dysuria, waist pain may appear clinically. Structural urinary tract obstruction is mostly related to urinary tract stones, urethral stricture, tumors and other factors, which can hinder the discharge of urine, so that bacteria multiply in large numbers, and then cause urinary tract infection. 2. Functional urinary tract obstruction Functional urinary tract obstruction is mostly related to nerve dysfunction, vesico-ureteral reflux and other factors, which can lead to urinary retention, so that urine is not easy to be washed away, and then local reproduction, thus causing urinary tract infection. 3, the body's immunity is low When the human body rains, catches cold or suffers from chronic diseases such as diabetes, it can lead to a decline in the body's immunity, weakening the body's disease resistance, and easily causing urinary tract infections.