Dermatitis, Exfoliative

**Definition:** 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)

**Tree numbers:** - C17.800.174.318 - C17.800.815.318

**Synonyms:** - Dermatitis Exfoliative Generalized - Dermatitis Exfoliative Generalised - Dermatitis Exfoliative - Dermatitis Exfoliativa - Erythroderma