My hand being itching for long what's wrong?

for several weeks my hand started itching at first i did not pay any attention into this matter but now that weeks has past my hand started to peel everytime i scratch myself and it's contuing to grow like a worm, it started as just and itch and then it became more then that as it it's now growing and continuing to itch and my skin pills when i do that. what's wrong with me? do i need medical attention??
Answer:
go to a dermatologist.
I had one hand that itched, espically when I was under stress. As it turned out I have a skin condition called ECZEMA that is easilly treated with medicine that the doctor perscribed for me.
Good luck and hopefully it will be something that is easy to treat.

---