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November 7, 1953


Author Affiliations

Instituto de Medicina Tropical University of Havana Havana, Cuba.

JAMA. 1953;153(10):974. doi:10.1001/jama.1953.02940270080021

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To the Editor:—  In a report about human hymenolepiasis in The Journal, Sept. 5, 1953, page 47, there is a report of the work of Dr. Dacio F. Amaral of São Paulo, Brazil. It is stated that Dr. Amaral found that chloroquine and gentian violet are not effective against hymenolepiasis due to Hymenolepis nana. After giving two or three courses of chloroquine, I have obtained cures in 40% of patients with this infestation. In spite of this low per cent, chloroquine is superior to other drugs in the treatment of this condition. I usually give 0.01 gm. per pound of body weight (but not more than 0.5 gm.) daily for 25 days. I have also given three tablets containing 0.15 gm. of chloroquine and 0.05 gm. of quinacrine daily to adults for 20 days and one tablet daily for every three years of apparent age to children for 20 days.

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