So probably a week ago, my right palm started itching like crazy. I scratched and scratched and applied itching cream to it, and nothing helped. I tried ice also. So I continued to scratch. Then, a little tiny what looked like a blister appeared. I didn't realize it was a blister until it popped. Now there's a little hole there and it STILL itches. What could this possibly be? Could I get a blister from simply scratching too much? Please help!