(Labarraque's Solution.)

Origin. - An aqueous solution of several chlorine compounds of sodium, containing at least 2.4 per cent. by weight of available chlorine.

Description and Properties. - A clear, pale-greenish liquid, having a faint odor of chlorine and a disagreeable alkaline taste. It should be kept in well-stoppered bottles, protected from light. Used externally.

Physiological Action. - The action of the drug resembles that of aqua chlori, although it is feebler than the latter.

Therapeutics. - Solution of chlorinated soda is used as a disinfectant for fetid ulcers, gangrenous sores, and ozena, and as a disinfectant wash in diseases of the uterus, vagina, and auditory canal.

Administration. - There are no special directions to be observed in the application of this solution.