3 yrs ago i was hit over the head with bottom of a half pint beer jug which has left me with an inch long indentation in the the top of my skull , recently i have been forgetfull, tierd and the accasional runny nose and my scalp is becoming very ichy, im 55 yrs old this incident happend on holiday in se asia 3yrs december went to a&e had 6 stitches but no scan, do you think i should get checked out even thow it was a long time ago