HYPERSENSITIVENESS TO PITUITARY EXTRACTS

Abstract
Hypersensitiveness to pituitary extract is apparently an uncommon condition. Hasson1in 1930 reported a case of general reaction following the injection of pituitary extract, and Wang and Maxwell2in 1933 reported a similar case of shock which occurred post partum and which they proved, by reinjecting a smaller quantity of the drug, to be due to solution of posterior pituitary. In neither of these cases is there a record of skin tests or of other allergic studies. One of us3recently described a case, which is presented here with four others that came to our attention later. Personal inquiry4has revealed six other cases of general reaction in which posterior pituitary extract was suspected as the etiologic factor. In a period of less than two years five cases of hypersensitiveness to pituitary extract have been observed in the Louisville City Hospital, three of the cases occurring

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