A METHOD OF PROLONGING THE ACTION OF PENICILLIN.

(1) Single injections of penicillin in beeswax-peanut oil mixture will produce and maintain levels of penicillin in the blood for 7 or more hours. (2) These mixtures have maintained their potency at room, incubator and refrigerator temperatures for 30 to 62 days and show no signs of deterioration to date. (3) Eleven of twelve patients with gonorrhoea have been cured by a single injection of penicillin beeswaxpeanut oil mixture.