Different kinds of skin rashes include eczema, chickenpox, psoriasis, and shingles. Treatment depends on what's causing your rash, but it may involve medications or lifestyle changes. Get medical care ...

Although rare, a red rash may indicate leukemia, which is a type of blood cancer. A leukemia rash can look like tiny dots, big plaques, or itchy bumps that do not turn white when you press them.

Chemo rash is a common side effect of chemotherapy, caused by damage to rapidly dividing skin cells. Types include maculopapular, papulopustular, acneiform, erythema multiforme, and purpura rashes.