Dosage: 0.3 Gm. or 5 grains (U.S.P.).

Strontii Salicylas (Stront. Salicyl.), Strontium Salicylate, U.S.P.—Sr(C6H4.OH.COO)2 + 2H2O.

White, odorless powder, having a somewhat sweet, saline taste. Soluble in water (1:19) and in alcohol (1:61).

Action and Uses: Identical with those of sodium salicylate, over which it has no advantage.

Dosage: 1 Gm. or 15 grains (U.S.P.).

*Strophanthinum (Strophanthin.), Strophanthin, U.S.P.—A glucoside or mixture of glucosides obtained from strophanthus.

White or yellowish powder. Very soluble in water and in diluted alcohol.

Action and Uses: Like those of digitalis. Strophanthin acts more rapidly and is excreted sooner, but its absorption from the alimentary canal is so variable that its administration by mouth is inadvisable.

Dosage: Daily by mouth, 0.001 Gm. or 1/60 grain (U.S.P.); intravenous, 0.00075 Gm. or 1/80 grain (U.S.P.). Caution should be used if patient has been taking digitalis.

*Strophanthus (Strophanth.), Strophanthus, U.S.P.—Ripe seeds.