Brief History: Some Time Ago My Internal Medicine Doctor Told

Brief history: Some time ago my internal medicine Doctor told me I had a slightly enlarged prostate but not requiring any action. I have had the classic systems such as frequent urinating, not feeling like I was emptying my bladder unless I sat and waited for a second discharge. This in itself is not a problem. But I have a weak stream and often when I have completed the process there is a small dribble which I would shake my penis a little to remove the dribble and this has seemed to work fine about a month ago I began experiencing a sensation somewhat like an slight itch on the tip of me penis. It does not show any redness of rash, etc. For several reasons both from medications and I guess aging I have ED, I am diabetic (very well controlled for many years) and I sometimes experience a situation where my penis shrinks into my body and only the tip is seen but not all the time.