I am 74 years old , male last Nov I had a fall in my bedroom banged my head . and six weeks later I was admitted to hospital as I had a bleed at the time of the fall, I was okay and allowed home after five days, since then I have developed an itch on my skin, no rash , mostly on my upper body, I went to doctor got cream and she said I needed vitamin b 12 injections as I was low and I had an underactive thyroid I now have a darting pain in the top of my right leg, plus I have a start stop flow when I go to the toilet, I was b totally healthy until fall with the exception of high blood pressure for which I take a tablet , any ideas