Hi
Welcome to the MedHelp forum!
Contact dermatitis to jewellery may be different to contact dermatitis to any other thing. Hence it cannot be ruled out completely without an allergy test. Extreme dryness of the palms can be one cause. Tinea manum (ringworm of hand) or scabies are other causes. You must get an allergy test done, either a skin test or RAST, to know what you are allergic to. Please consult your skin specialist as it is difficult to comment beyond this at this stage. Take care!
MAYBE YOU CAN TRY TAKING BENADRYL JUST A THOUGHT YOU MITE BE ALLERGIC TO SOMETHING YOU TOUCH EVERYDAY