Effectiveness of Phenoxymethyl Penicillin V, and Sodium Penicillin G Against Hemolytic Streptococcus Infection in White Mice

Abstract

When administered subcutaneously to mice infected intraperitoneally with about 5000 LD50 of hemolytic streptococci, penicillin V and G are of the same degree of effectiveness. These tests employed 640 mice and groups of 20 mice were used for each of a series of different doses of antibiotic.