Erythroderma is associated with metabolic disorders where an inflammation of the body surface occurs with erythema and desquamation.
A dermatologist is a doctor who specializes in diseases of the skin, hair, nails and mucous membranes.
An endocrinologist is a doctor who specializes in hormone diseases, metabolism and nutritional problems.
Remember that for the proper selection of health professional that treats erythroderma you must consider the nature, severity and symptoms you are presenting.