Sounds like Dyshidrosi. Click on the link below for info and photos.
This could be caused by a fungus, and might be helped by a an antifungal ointment or powder such as Tinactin or Undecylenic acid cream.
It sounds like a rash.
Eczema
My daughter has a itchy bump on her wrist. It looks like a bite that she scratched the top off of. However, it has bled off and on for two days. This could be a case of scabies. Scabies cause small...