Suppurative Ulcerating Iododerma — A Rare Manifestation of Inorganic Iodide Hypersensitivity

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Abstract
ORALLY ingested potassium iodide solution is frequently used in asthma and chronic bronchitis as an expectorant. The administration of iodides not uncommonly results in a large variety of dermatologic abnormalities known collectively as iododerma. These may include lesions that are vesicular, pustular, hemorrhagic, or urticarial. It has long been thought that the basis of these eruptions has been hypersensitivity, but such a mechanism has been difficult to prove. Within the past few years, however, several attempts to establish the role of allergy in the pathogenesis of such reactions have been successful.1 2 3 This paper describes a very unusual case of iododerma . . .