Epitome of the Pharmacopeia of the United States and the National Formulary Part 47

=Krameria (Kramer.), Krameria, N.F.= (Rhatany).--Root.

ACTION AND USES: Powerful astringent; like other tannin-containing drugs, is rapidly pa.s.sing out of use.

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

_Extractum Krameriae (Ext. Kramer.), Extract of Krameria, N.F._ (Powdered Extract of Krameria).--An aqueous extract diluted with starch, 1 Gm. representing 4 Gm. krameria.

DOSAGE: 0.5 Gm. or 8 grains (N.F.).

_Fluidextractum Krameriae (Fldext. Kramer.), Fluidextract of Krameria, N.F._--Krameria (100%). Absolute alcohol content about 40 per cent.

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

_Fluidglyceratum Krameriae (Fldglycer. Kramer.), Fluidglycerate of Krameria, N.F._--Krameria (100%) in glycerin and water.

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

_Syrupus Krameriae (Syr. Kramer.), Syrup of Krameria, N.F._--Fluidextract of krameria (45%) in syrup. Absolute alcohol content about 18 per cent.

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

_Tinctura Krameriae (Tr. Kramer.), Tincture of Krameria, N.F._--Krameria (20%) in diluted alcohol. Absolute alcohol content about 45 per cent.

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

=Lac Vaccinum (Lac Vaccinum), Cow's Milk, N.F.=

_Lac Fermentatum (Lac Ferment.), Fermented Milk, N.F._ (k.u.myss).--A fermentation product obtained by the action of yeast on cow's milk to which sugar (sucrose) has been added. The following is an unofficial formula:

Take a quart of skim milk, one-fifth of a cake of yeast and two tablespoonfuls of sugar. Heat the milk. Dissolve the yeast in a little water and mix it with the sugar and lukewarm milk. Pour the mixture into strong bottles, stopper them tightly with new corks, and tie down the corks with strong twine. Shake the bottles well and place in a refrigerator to ferment slowly. After three days lay the bottles on their sides, turning them occasionally. Five days are required to complete the fermentation.

DOSAGE: 250 Cc. or 8 fluidounces (N.F.).

=Lactucarium (Lactucar.), Lactucarium, U.S.P.=--The dried juice of a species of wild lettuce.

ACTION AND USES: Inefficient and obsolete hypnotic and respiratory sedative. The proprietary preparation to which its popularity was due was found to contain morphine.

Lactucarium is now seldom used.

DOSAGE: 1 Gm. or 15 grains (U.S.P.). Not given as such.

_Syrupus Lactucarii (Syr. Lactucar.), Syrup of Lactucarium, U.S.P._--Tincture of lactucarium (10%) and citric acid, flavored with orange flower water, in glycerin and syrup.

DOSAGE: 10 Cc. or 2-1/2 fluidrachms (U.S.P.). Absolute alcohol content about 5 per cent.

_Tinctura Lactucarii (Tr. Lactucar.), Tincture of Lactucarium, U.S.P._--Lactucarium (50%) in glycerin, alcohol and water. Absolute alcohol content about 46 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

=Lappa (Lappa), Lappa, N.F.= (Burdock Root).

ACTION AND USES: Obsolete "alterative," used in nostrums.

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

_Fluidextractum Lappae (Fldext. Lapp.), Fluidextract of Lappa, N.F._--Lappa (100%). Absolute alcohol content about 40 per cent.

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

=Leptandra (Leptand.), Leptandra, N.F.= (Culver's Root).--Rhizome and roots.

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

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

_Extractum Leptandrae (Ext. Leptand.), Extract of Leptandra, N.F._ (Powdered Extract of Leptandra).--A hydroalcoholic extract, diluted with starch. One Gm. represents 4 Gm. leptandra.

DOSAGE: 0.25 Gm. or 4 grains (N.F.).

_Fluidextractum Leptandrae (Fldext. Leptand.), Fluidextract of Leptandra, N.F._--Leptandra (100%). Absolute alcohol content about 40 per cent.

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

=Limonis Cortex (Limon. Cort.), Lemon Peel, U.S.P.=

ACTION AND USES: Used for the preparation of lemon flavors.

_Tinctura Limonis Corticis (Tr. Limon. Cort.), Tincture of Lemon Peel, U.S.P._--Fresh lemon peel (50%) treated with alcohol. Absolute alcohol content about 83 per cent.

=LINIMENTA, LINIMENTS.=--Liquid preparations intended for external application. For the various official liniments, see under the names of the respective chief ingredients.

=*Linum (Linum), Linseed, U.S.P.= (Flaxseed).--Used in demulcent infusions, also when crushed or ground in poultices. If employed where the skin is broken the entire poultice should be sterilized by boiling before it is applied, in order to avoid infection.

=LIQUORES, SOLUTIONS.=--Aqueous liquid preparations in which one or more substances are completely dissolved.

For the various official solutions, see under the names of the respective princ.i.p.al ingredients. For Liquor Acidi a.r.s.enosi, see under =a.r.s.eni Trioxidum=; for Liquor Antisepticus, under =Acidum Boric.u.m=; for Liquor Antisepticus Alkalinus, under =Pota.s.sii Bicarbonas=; for Liquor a.r.s.eni et Hydrargyri Iodidi, under =a.r.s.eni Iodidum=; for Liquor a.r.s.enicalis Clemens, under =Pota.s.sii a.r.s.enas=; for Liquor Calcis Sulphuratae, under =Calcii Sulphidum Crudum=; for Liquor Ferri et Ammonii Acetas, under =Ammonii Acetas=; for Liquor Zinci et Alumini Compositus and Liquor Zinci et Ferri Compositus, under =Zinci Sulphas=.

=Lithii Bromidum (Lith. Brom.), Lithium Bromide, U.S.P.=--LiBr (not less than 85%).

White, granular, odorless, very deliquescent salt with a sharp, slightly bitter taste. Very soluble in water (1:0.6) and soluble in alcohol and in ether.