=*Cresol (Cresol), Cresol, U.S.P.=--A mixture of isomeric cresols, C{ 6}H{ 4}(CH{ 3})OH. Obtained from coal tar.
Colorless, yellowish or brownish liquid, darkening with age and exposure to light, and having a phenol-like odor. Soluble in water (1:50), usually forming a cloudy solution, and miscible with alcohol, ether, petroleum benzin or glycerin.
ACTION AND USES: Action similar to phenol. Used as a disinfectant and antiseptic. Approximately four times as germicidal as phenol, and no more toxic.
_*Liquor Cresolis Compositus (Liq. Cresol. Co.), Compound Solution of Cresol, U.S.P._--Cresol (50%) with a potassium soap solution.
=Creta Praeparata (Cret. Praep.), Prepared Chalk, U.S.P.= (Drop Chalk).--A native calcium carbonate.
White, amorphous, odorless, tasteless powder. Almost insoluble in water, insoluble in alcohol. Decomposed and dissolved by dilute acids.
ACTION AND USES: Used internally as a mild alkali, as antacid and against diarrhea.
DOSAGE: 1 Gm. or 15 grains (U.S.P.) as a powder or in suspension.
_Mistura Cretae (Mist. Cret.), Chalk Mixture, U.S.P._--Compound chalk powder (20%) with cinnamon water and water.
DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.).
_Pulvis Cretae Aromaticus._--See under =Cinnamomum Saigonicum.=
_Pulvis Cretae Compositus (Pulv. Cret. Co.), Compound Chalk Powder, U.S.P._--Prepared chalk (30%), with acacia and sugar.
=Crocus (Croc.), Crocus, N.F.= (Saffron).--Stigmas of the flowers.
ACTION AND USES: Yellow coloring agent without definite therapeutic indications. Has been used as "stimulant and antispasmodic."
_Tinctura Croci (Tr. Croc.), Tincture of Saffron, N.F._--Saffron (10%) in diluted alcohol. Absolute alcohol content about 45 per cent.
=Cubeba (Cubeb.), Cubeb, U.S.P.= (Cubebs).--Fruit.
ACTION AND USES: Formerly much used internally as antiseptic, diuretic and as a stimulant to the genito-urinary membranes; also to some extent as a stimulating expectorant. Probably of little value.
DOSAGE: 1 Gm. or 15 grains (U.S.P.). The oleoresin is preferred.
_Fluidextractum Cubebae (Fldext. Cubeb.), Fluidextract of Cubeb, N.F._--Cubeb (100%). Absolute alcohol content about 80 per cent.
_Oleoresina Cubebae (Oleores. Cubeb.), Oleoresin of Cubeb, U.S.P._
_Tinctura Cubebae (Tr. Cubeb.), Tincture of Cubeb, N.F._--Cubeb (20%) in alcohol. Absolute alcohol content about 90 per cent.