*Collodium (Collod.), Collodion, U.S.P.—Pyroxylin (4%) in a mixture of ether and alcohol.
Uses: Used to form a protective film and as a vehicle for external applications.
*Collodium Flexile (Collod. Flex.), Flexible Collodion, U.S.P.—A mixture of collodion (95%) with camphor (2%) and castor oil (3%).
Uses: More pliable than collodion and does not contract as much in drying.
Quassia (Quass.), Quassia, U.S.P. (Bitter Wood).
Action and Uses: Simple bitter stomachic (more disagreeable than gentian); an infusion is also used as enema in the treatment of pinworms.
Dosage: 0.5 Gm. or 8 grains (U.S.P.).
Extractum Quassiae (Ext. Quas.), Extract of Quassia, N.F. (Powdered Extract of Quassia).—An aqueous extract diluted with starch, 1 Gm. representing 10 Gm. of quassia.
Dosage: 0.06 Gm. or 1 grain (N.F.).
Fluidextractum Quassiae (Fldext. Quass.), Fluidextract of Quassia, N.F.—Quassia (100%). Absolute alcohol content about 25 per cent.