Abstract
Erythroderma and figurate erythemas are common reasons for inpatient dermatologic consultation. This review provides an overview of the frequent causes of erythroderma and figurate erythemas in adults and children as well as highlights recent advances in our understanding of the pathomechanisms of these entities. With the advent of immunotherapy for the treatment of cancer, there are new medications that may result in drug-induced erythroderma. Additionally, the pathophysiology and immunologic milieu of erythroderma in psoriasis and cutaneous lymphoma has been investigated. More recent biologic agents may be used to treat erythroderma. The differential diagnosis of erythroderma and figurate erythemas is broad and often related to underlying systemic diseases. Workup and treatment should focus on identifying and treating an underlying cause when applicable.
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