Hydrogen Peroxide, "Aqua Hydrogeni Dioxidi". (U.S.P.) Disinfectant, deodorant, styptic, and antizymotic. Used externally in diphtheria, gonorrhea, abscesses, and wounds. Internally, in flatulence, catarrhal gastritis, fetid diarrhea, etc. Dose, I5 to 40 I. diluted with water. In spray, 10% and stronger. Externally, up to full strength according to uses.