Epitome of the Pharmacopeia of the United States and the National Formulary / With Comments

by Albion Walter Hewlett; William August Puckner; Torald Hermann Sollmann; Martin I. Wilbert

Dosage: 0.005 Gm. or 1/12 grain (U.S.P.).

*Liquor Arseni et Hydrargyri Iodidi (Liq. Arsen. et Hydrarg. Iod.), Solution of Arsenous and Mercuric Iodide, U.S.P. (Donovan’s Solution).—Arsenous iodide and red mercuric iodide (each 1%) in water.

Dosage: 0.1 Cc. or 1-1/2 minims (U.S.P.).

*Arseni Trioxidum (Arsen. Triox.), Arsenic Trioxide, U.S.P. (Arsenous Acid, Arsenous Oxide, White Arsenic).—As₂O₃.

Amorphous, glassy masses or white, crystalline masses or powder. Slowly soluble in water (about 1:100), slightly soluble in alcohol and ether and freely soluble in glycerine. Readily dissolved by hydrochloric acid or by alkaline solutions.

Action and Uses: Believed to modify nutrition. Used as tonic in anemias, nervous diseases, etc., in skin diseases and in some forms of malaria. Externally, a mild escharotic, but the danger of poisoning prevents its general use. Likely to produce nephritis. A very common poison.

Dosage: 0.002 Gm. or 1/30 grain (U.S.P.), in pills or solutions.

*Liquor Acidi Arsenosi (Liq. Acid. Arsen.), Solution of Arsenous Acid, U.S.P. (Hydrochloric Solution of Arsenic, “Solution of Arsenic Chloride”).—Arsenic trioxide (1%) in diluted hydrochloric acid (5%) and water.

Dosage: 0.2 Cc. or 3 minims.

*Asafoetida (Asafoet.), Asafetida, U.S.P. (Gum Asafetida).—A gum resin.