Hi, I know it sounds trival but for the last two days my hands,fingers and wrist have been itching so bad I wake up scratching the crap out of them. I havent got into anything with thm or started new medicine, I did end a blood thinner after my knee replacement surgery 2 wks ago. I havent went anywhere to get into anything. My skin isnt dry. I tried some benedryl but it didnt help much--either did the cream. Any ideas? I dontknow what to do but its driving me crazy besides itching,hurting,swelling and some blistering especially where I have scratched. Help!