Epitome of the Pharmacopeia of the United States and the National Formulary Part 45

Heavy, bluish-black, brittle plates, with a metallic l.u.s.ter, a distinctive odor and a sharp, acrid taste. Very slightly soluble in water (1:2950) and soluble in alcohol (1:12.5). Freely soluble in solutions of alkali iodides.

ACTION AND USES: The tincture and compound solution are used externally as local irritant and antiseptic. The irritant action can be easily graduated by successive application.

It is rarely used internally for the systemic effects of iodides.

DOSAGE: 0.005 Gm. or 1/12 grain (U.S.P.), largely diluted.

_Collodium Iodi (Collod. Iodi), Iodine Collodion, N.F._--Iodine (5%) in flexible collodion.

USES: There appears little advantage in applying iodine in collodion.

_Liquor Iodi Compositus (Liq. Iodi Co.), Compound Solution of Iodine, U.S.P._ (Lugol's Solution).--Iodine (5%) and pota.s.sium iodide (10%) in water.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

_Liquor Iodi Phenolatus (Liq. Iod. Phenol.), Phenolated Solution of Iodine, N.F._ (Liquor Iodi Carbolatus, N.F. III, Carbolized Solution of Iodine, Boulton's Solution, French Mixture).--Compound solution of iodine (1.5%), liquefied phenol (0.6%), glycerin and water. The iodine combines with the phenol.

USES: Antiseptic.

_Petroxolinum Iodi (Petrox. Iod.), Iodine Petroxolin, N.F._ (Iodine Petrox 10%).--An unstable preparation, containing iodine, ammonium iodide and other iodine compounds in variable proportions, with a mixture of liquid petrolatum, alcohol, ammonium soap and oil of lavender; prepared from iodine (10%) and liquid petroxolin.

_Petroxolinum Iodi Dilutum (Petrox. Iod. Dil.), Diluted Iodine Petroxolin, N.F._ (Iodine Petrox 5%).--An unstable preparation containing iodine, ammonium iodide and other iodine compounds in variable proportions with a mixture of liquid petrolatum, alcohol, ammonium soap and oil of lavender; made from iodine (5%) and liquid petroxolin. Absolute alcohol content about 19 per cent.

_Syrupus Iodotannicus (Syr. Iodotan.), Syrup of Iodotannin, N.F._--Made by combining iodine (0.27%) with tannic acid (0.54%) in syrup. Contains iodine probably in the form of an iodide.

USES: Similar to those of pota.s.sium iodide; without advantage over the latter.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

_*Tinctura Iodi (Tr. Iodi), Tincture of Iodine, U.S.P._--An alcoholic solution of iodine (about 7%) and pota.s.sium iodide (about 5%). Absolute alcohol content about 83 per cent.

DOSAGE: 0.1 Cc. or 1-1/2 minims (U.S.P.).

_Tinctura Iodi Decolorata (Tr. Iod. Decolor.), Decolorized Tincture of Iodine, N.F._--A solution of sodium iodide and ammonium iodide obtained by mixing iodine and sodium thiosulphate (each 8.3%), stronger ammonia water (6.5%) and alcohol. Absolute alcohol content about 75 per cent.

Does not contain free iodine.

USES: For external use; of doubtful utility.

_Tinctura Iodi Fortior (Tr. Iod. Fort.), Stronger Tincture of Iodine, N.F._ (Churchill's Tincture of Iodine).--Iodine (16.5%) and pota.s.sium iodide (3.3%) in water and alcohol. Absolute alcohol content about 65 per cent.

_Unguentum Iodi (Ung. Iodi), Iodine Ointment, U.S.P._--Iodine (4%) and pota.s.sium iodide (4%) in glycerin and benzoinated lard. Should be made as required.

=*Ipecacuanha (Ipecac.), Ipecac, U.S.P.= (Ipecacuanhae Radix, P.I.).--A root, yielding not less than 1.75 per cent. of alkaloids.

ACTION AND USES: Used as irritant, nauseant, expectorant and emetic. Also specific against amebic dysentery, but in this use has been practically displaced by emetine.

DOSAGE: Emetic, 1 Gm. or 15 grains (U.S.P.). Expectorant, 0.06 Gm. or 1 grain.

_*Fluidextractum Ipecacuanhae (Fldext. Ipecac.), Fluidextract of Ipecac, U.S.P._--Ipecac (100%), yielding about 2 per cent. of alkaloids.

Absolute alcohol content about 30 per cent.

DOSAGE: 0.05 Cc. or 1 minim (U.S.P.).

_Pulvis Ipecacuanhae et Opii._--See under =Opium.=

_*Syrupus Ipecacuanhae (Syr. Ipecac.), Syrup of Ipecac, U.S.P._--Fluidextract of ipecac (7%) and acetic acid (1%) in glycerin and syrup.

DOSAGE: Expectorant, 1 Cc. or 15 minims (U.S.P.); emetic, 15 Cc. or 4 fluidrachms (U.S.P.).

_Syrupus Ipecacuanhae et Opii and Tinctura Ipecacuanhae et Opii._--See under =Opium.=

_Vinum Ipecacuanhae (Vin. Ipecac.), Wine of Ipecac, N.F._--Fluidextract of ipecac (10%, yielding about 0.2% ipecac alkaloids) in alcohol and sherry wine. Absolute alcohol content about 27 per cent.

DOSAGE: 1 Cc. or 15 minims.

=Iris (Iris), Orris, N.F.= (Orris Root).--Rhizome.

ACTION AND USES: At one time thought to be a mild digestive stimulant, slightly cathartic and diuretic. Now employed as dusting powder, tooth powder and perfume.

=Iris Versicolor (Iris Vers.), Blue Flag, N.F.=--Rhizome and roots.

ACTION AND USES: Obsolete cathartic; without advantage over resin of podophyllum.

DOSAGE: 2 Gm. or 30 grains (N.F.).

_Fluidextractum Iridis Versicoloris (Fldext. Iri. Ver.), Fluidextract of Blue Flag, N.F._--Blue flag (100%). Absolute alcohol content about 80 per cent.

DOSAGE: 2 Cc. or 30 minims (N.F.).

=*Jalapa (Jalap.), Jalap, U.S.P.=--A root, yielding not less than 7 per cent. of resins.

ACTION AND USES: Drastic hydragogue cathartic, used especially in dropsies. Preferred to other resinous cathartics, as being rather less irritant.

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

_Extractum Jalapae (Ext. Jalap.), Extract of Jalap, N.F._--An alcoholic extract.

DOSAGE: 1 Gm. or 15 grains (N.F.).

_Fluidextractum Jalapae (Fldext. Jalap.), Fluidextract of Jalap, N.F._--Jalap (100%). Absolute alcohol content about 80 per cent.

DOSAGE: 1 Cc. or 15 minims (N.F.).

_*Pulvis Jalapae Compositus (Pulv. Jalap. Co.), Compound Powder of Jalap, U.S.P._ (Pulvis Purgans).--Jalap (35%) and pota.s.sium bitartrate (65%).

USES: Useful hydragogue cathartic.