Benign Prostatic Hyperplasia

　　1.Urine storage symptoms

　　The main symptoms of this phase include frequent urination, urinal urgency, urinary incontinence and increased nocturia.

　　(1)Frequent urinations

　　The frequency of urination was early symptom, the times of nocturnal urine increased, but the amount of urine per time was not much. After detrusor decompensation, chronic urinary retention occurs, which reduces the effective volume of bladder and shortens the time between urination. If accompanied by bladder stone or infection, the frequency of urine is more obvious, and accompanied by urinary pain.

　　(2)Urinary incontinence

　　80% of the patients with lower urinary tract obstruction had acute or urgent urinary incontinence.

　　2.Urination symptom

　　Symptoms include urination hesitation, dysuria, and intermittent urination.

　　3.Posturination symptoms

　　Symptoms include urinary retention and high residual urine.

　　4.Other symptoms

　　(1)Hematuresis 

　　(2)Urinary infection

　　(3)Cystic calculus

　　(4)Renal function impairment 

　　(5) Long-term urinary tract obstruction