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To the Editor:—In their paper entitled ``Hypersensitivity to Mercurochrome Shown by the Patch Test" (Arch. Dermat. & Syph.27:408 [March] 1933) Drs. Pascher and Silverberg make mention of a few cases in the literature on dermatitis attributed to mercurochrome-220 soluble. In this connection they refer to a paper of mine (Canad. M. A. J.24:272, 1931).
I wish to point out that my paper did not deal with dermatitis produced locally by contact with mercurochrome. The title of the paper was ``Mercurialism from the External Use of Mercurochrome-220 Soluble." The case I described was one in which mercurialism developed in the patient, a new-born infant, by the absorption of 4 per cent mercurochrome applied for twelve days over a considerable area of the neck and upper part of the thorax. The classic symptoms of stomatitis, gastro-enteritis and renal irritation were present, and while a scarlatiniform erup
Cleveland DEH. ``HYPERSENSITIVITY TO MERCUROCHROME SHOWN BY THE PATCH TEST''. Arch Derm Syphilol. 1933;27(5):833. doi:10.1001/archderm.1933.01450040842015