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What is Linear IgA disease (LAD)

Linear IgA disease (LAD) is an autoimmune subepidermal (lying beneath or constituting the innermost part of the epidermis) disease that may be idiopathic or drug-induced. Children and adults are affected, with disease of the former historically referred to as chronic bullous dermatosis of childhood. The clinical presentation appears similar to other blistering diseases, such as bullous pemphigoid and dermatitis herpetiformis.

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