Sir.—Drs Murphy and Nelson erred in their article "Five v Ten Days' Therapy With Furazolidone for Giardiasis" (Journal 1983;137:267-270). In listing the three drugs available to treat giardiasis in the United States, they failed to include paromomycin sulfate (Humatin). This is a satisfactory drug for treating giardiasis, as my colleagues and I pointed out in 1981.1 In particular, paromomycin is absorbed very poorly and, therefore, is theoretically less toxic. There are several reports of its use in children, as detailed in our article.
AMSTEY MS. Drug Therapy for Giardiasis. Am J Dis Child. 1983;137(9):919. doi:10.1001/archpedi.1983.02140350091029
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