Acid, Arsenous, Merck.—U.S.P.—Pure, Powder

White powd.; odorl.; tastel.—SOL. very slightly in water or alcohol.—Antiperiodic, Antiseptic, Alterative.— Uses: Intern. , malarial fever, skin diseases, chorea, neuralgia, gastralgia, uterine disorders, diabetes, bronchitis; extern. , to remove warts, cancers, etc.— Dose: 1/60 — 1/30 grn. 4 t. daily.— Max. D. : About 1/12 grn. single; about 1/6 grn. daily.— Preparation: Solut. (1%).— Extern. on neoplasms in large amounts to get quick results: otherwise it is dangerous. Keep from healthy ti ues, lest dangerous absorption may occur.— Antidotes: Emetics; stomach pump or siphon if seen immediately; hot milk and water with zinc sulphate or mustard. After vomiting, give milk or eggs, and magnesia in milk. If saccharated oxide of iron or dialyzed iron is handy, use it. If tincture of iron and ammonia water are within reach, precipitate former with latter, collect precipitate on a strainer, and give it wet. Always give antidotes, be the case ever so hopele .— Incompatibles: Tannic acid, infusion cinchona, salts of iron, magnesium, etc.