If you think you have symptoms of an enlarged prostate, the first thing you should do is to get the diagnosis confirmed by your doctor.
Either before or after a diagnosis is made, you should seek your doctor’s opinion if you experience any of the following symptoms:
-Pain on urination.
-Blood in your urine. Although an enlarged prostate can sometimes be the cause of blood in the urine, other (more serious) causes should be ruled out urgently
-Stop passing water completely
For more information, read this article about BPH