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October 14, 1939


JAMA. 1939;113(16):1507. doi:10.1001/jama.1939.02800410057023

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To the Editor:—  In The Journal, September 2, appeared a communication by Dr. David Louis Engelsher in criticism of my report on potassium chloride in allergy. Since this might give an erroneous impression, both of the toxicity and of the efficacy of potassium chloride, I feel that some clarification is needed.Dr. Engelsher has made the simple mistake, against which I warned in my article, of administering potassium chloride in the dry form. He says "The patients were given ten 5 grain (0.3 Gm.) tablets of potassium chloride to be taken, when necessary, three times a day after meals with at least one glass-ful of water." (By this he probably means 5 grains to a dose rather than 50.) In my article I stressed the necessity for administering it in dilute form, e. g., 5 grains dissolved in a glass of water. This does not mean prescribing a 5 grain

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