The widespread involvement of the skin by a scaly, erythematous dermatitis occurring either as a secondary or reactive process to an underlying cutaneous disorder (e.g., atopic dermatitis, psoriasis, etc.), or as a primary or idiopathic disease. It is often associated with the loss of hair and nails, hyperkeratosis of the palms and soles, and pruritus. (From Dorland, 27th ed)

Synonyms: Erythroderma, Dermatitis Exfoliative, Generalised, Dermatitis Exfoliative, Exfoliative Dermatitis, Exfoliative, Dermatitis, Dermatitis Exfoliatives, Dermatitis Exfoliative Generalised, Exfoliative Generalised, Dermatitis, Exfoliatives, Dermatitis, Erythrodermas, Dermatitis Exfoliativa, Exfoliative Dermatitides, Dermatitis, Exfoliative, Dermatitis Exfoliative Generalized, Dermatitis Exfoliative Generaliseds, Exfoliative Generalized, Dermatitis