The appearance of this rash is sometimes compared to tapioca pudding ... more common in people with overactive sweat glands on the palms of their hands (palmoplantar hyperhidrosis) and in people ...

or red palms, can also be hereditary. 2. Hand Rash A red rash on your hand or wrist might indicate a nickel allergy, sometimes morphing into oozing blisters. Sensitivity to nickel is one of the ...