PREVENTION OF DERMATITIS VENENATA DUE TO POISON IVY IN CHILDREN

Abstract
Last year we1reported on the successful use of an alcoholic extract (1:50) of poison ivy made according to the method of Spain and Cooke.2The method used in this series was the same as that previously reported. The first dose was 1 cc. of a 1: 10,000 dilution of the extract; the second, 1 cc. of a 1: 5,000 dilution; the third, 1 cc. of a 1: 2,000 dilution, and the fourth, 1 cc. of a 1: 1,000 dilution. The remaining doses consisted of 1 cc. of the extract in a 1: 500 dilution. In each instance the extract was diluted from the alcoholic extract with sterile distilled water, and the treatments were given hypodermically. Itching at the site of injection was prevented by washing the area with alcohol immediately after the injection. In the last report the children treated were selected on the basis of results

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