How do you know suffering from benign prostatic hyperplasia?

In the course of benign prostatic hyperplasia, pathologic generally benign prostatic hyperplasia and prostatic hyperplasia stage to be aware not only of increased urethral prostate oppression caused urinary tract obstruction, and the emergence of various symptoms of benign prostatic hyperplasia to stage is only recognized by the people.
BPH symptoms first appeared for the increased frequency of nocturnal enuresis, after the previous night not sleeping with the voiding of a 1 ~ 2 times per night and the night-time urination, not too much urine, often reflect the occurrence of urinary tract obstruction early, after nightly urination from 1 to 2 times to the development of four to five times that obstruction gradually worsened. Nocturia in the process, patients will be unable to urinate, shorten the range, urine-thinning and sometimes interrupted urination, a sense of not voiding urine or drop Lek.