Trochisci Santonini (Troch. Santonin.), Troches of Santonin, N.F.—Each troche contains santonin (0.03 Gm. or 1/2 grain), with tragacanth, sugar, cocoa and vanillin.

Uses: Anthelmintic. Objectionable since their resemblance to candy may lead to serious poisoning.

Dosage: 1 troche (N.F.).

Trochisci Santonini Compositi (Troch. Santonin. Co.), Compound Troches of Santonin, N.F. (Troches of Santonin and Calomel).—Each troche contains santonin and mild mercurous chloride (each 0.03 Gm. or 1/2 grain) with tragacanth, sugar, cocoa and vanillin.

Uses: Anthelmintic; objectionable like Trochisci Santonini, which see above.

Dosage: 1 troche (N.F.).

*Sapo (Sapo), Soap, U.S.P. (White Castile Soap).—Soap prepared from olive oil and sodium hydroxide.

A white or whitish solid or powder, having a faint, peculiar odor and an alkaline taste.

Action and Uses: Used chiefly as a detergent and in solution as a vehicle for liniments. Also an ingredient of pills containing resinous drugs like aloes and scammony.

Emplastrum Saponis (Emp. Sapon.), Soap Plaster, N.F.—Made from soap (10%) and lead plaster (90%).