Benign prostatic hyperplasia, which early symptoms?

Benign prostatic hyperplasia, the early symptoms are:
(1) frequency: benign prostatic hyperplasia is in the early signals, the most obvious early signs of increase in the number of nocturnal enuresis, and urinary tract obstruction with the progress gradually increased.
(2) urinary Italy : urination, or urethra with pain after the original leaching Lek, residual urine or drop out under the abdominal discomfort. These are not normal voiding the physiological feeling.
(3) The urine Line (flow) thinned: reduced capacity because of urination, urine and fine lines, especially the urethral gland hyperplasia edge vary seriously affected the urine line jet.
(4) Urination effort: a urethral obstruction, urine excretion of resistance will increase and must be forced to increase abdominal pressure, voiding can overcome resistance, therefore voiding effort.
(5) changes in the urine: Because some patients with prostate or prostate congestive vasodilator, vascular bleeding, then that hematuria. Some patients because of urinary tract obstruction, urinary block easily with urinary tract infection, may appear pyuria.
(6) posterior urethral discomfort and perineal pressure: As to benign prostatic hyperplasia due to posterior urethral irritation.