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To the Editor.—
I want to thank Dr. Chalmers for his interest in my letter which was published in the Archives (103:228, 1971). In it I stated,He was patch tested on Feb 14, 1969, to thimerosal (Merthiolate), Mycolog cream, 0.01% triamcinolone acetonide in Velvachol, 0.025% gramicidin in Velvachol (cream base for Mycolog), 1% ethylenediamine aqueous solution, and 100,000 units of nystatin per gram of Velvachol.The above looks as if I meant that Velvachol is the cream base for Mycolog when actually it is not. There should have been commas, rather than parentheses, before and after "cream base for Mycolog."My patient was patch tested to Mycolog cream base which contains numerous ingredients, including ethylenediamine to which my patient was sensitive. Most likely this is the reason for the positive patch test to the cream base.Dr. Chalmers mentions in his last paragraph that the patient should have
Coskey RJ. CONTACT DERMATITIS DUE TO NYSTATIN-Reply. Arch Dermatol. 1971;104(4):438. doi:10.1001/archderm.1971.04000220095026