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To the Editor:—
In The Journal of March 12, page 834, I read with interest your answer on the treatment for Giardia (Lamblia). There is a treatment against this parasite which has been successfully used in hundreds of cases. It was first suggested and tried by Galli-Valerio, professor of parasitology at the University of Lausanne (Galli-Valerio, Bruno: La lambliase et son traitement par l'atébrine, Schweiz. med. Wchnschr.67:1121 [Dec. 11] 1937. Tecon, R. M.: La lambliase hépatique et son traitement, J. belge gastro-entérol.5:315 [April] 1937; La lambliase et posologie de l'atébrine, Schweiz. med. Wchnschr.68:247 [March 12] 1938). The drug is a salt of amino acridine, which is used in the treatment of malaria and is known under the name of atabrine. The dose usually ordered is 0.1 Gm. three times a day for five days, but I showed recently that complete destruction of the parasites
Tecon RM. TREATMENT OF GIARDIASIS. JAMA. 1938;110(22):1853. doi:10.1001/jama.1938.02790220055025