Epitome of the Pharmacopeia of the United States and the National Formulary - BestLightNovel.com
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DOSAGE: 2 Gm. or 30 grains (N.F.).
_Fluidextractum Hamamelidis Foliorum (Fldext. Hamamel. Fol.), Fluidextract of Hamamelis Leaves, N.F._--Hamamelis leaves (100%).
Absolute alcohol content about 25 per cent.
DOSAGE: 2 Cc. or 30 minims (N.F.)
=Hamamelis= (Witch Hazel).
_Aqua Hamamelidis (Aq. Hamam.), Hamamelis Water, U.S.P._ (Witch Hazel Water, Distilled Extract of Witch Hazel).--Witch hazel bark, twigs, smaller stems or entire shrub, distilled with water and preserved with about 14 per cent. of alcohol.
USES: Employed externally, for contusions. It owes its feeble activity mainly to the alcohol
=Helianthemum (Helianth.), Helianthemum, N.F.= (Rock-Rose, Frost-Weed).--The dried herb.
ACTION AND USES: Obsolete astringent, tonic, alterative and emetic; unreliable and without established value.
DOSAGE: 4 Gm. or 1 drachm (N.F.).
_Fluidextractum Helianthemi (Fldext. Helianth.), Fluidextract of Helianthemum, N.F._--Helianthemum (100%). Absolute alcohol content about 40 per cent.
DOSAGE: 4 Cc. or 1 fluidrachm (N.F.)
=Helonias (Helon.), Helonias, N.F.= (False Unicorn).--Rhizome and roots.
ACTION AND USES: Ingredient of "female remedies"; without established value.
DOSAGE: 2 Gm. or 30 grains (N.F.).
_Fluidextractum Heloniatis (Fldext. Helon.), Fluidextract of Helonias, N.F._--Helonias (100%). Absolute alcohol content about 40 per cent.
DOSAGE: 2 Cc. or 30 minims (N.F.)
=*Hexamethylenamina (Hexam.), Hexamethylenamine, U.S.P.= (Hexamethylene-tetramine; also sold as urotropine, aminoform, formamin, formin, cystamin, cystogen, urisol and uritone).--(CH{2}){6}N{4}, a condensation product of ammonia and formaldehyde.
Colorless crystals or white powder, odorless and with a sweetish taste. Freely soluble in water (1:1.5) and in alcohol (1:12.5).
Incompatible with acids, with ammonium salts, with tannin and with mercuric chloride.
ACTION AND USES: Useful urinary antiseptic, liberating formaldehyde in the presence of acids (not otherwise).
Also used as prophylactic against infection in bile and in other body fluids, but inefficient since these fluids are not acid.
DOSAGE: 0.25 Gm. or 4 grains (U.S.P.), in solution.
When sodium acid phosphate is given to render the urine acid, hexamethylenamine should not be taken until the phosphate has left the stomach
=*Homatropinae Hydrobromidum (Homatrop. Hydrobr.), Homatropine Hydrobromide, U.S.P.= (Homatropine Bromide).
White, odorless powder. Freely soluble in water (1:6) and soluble in alcohol (1:40).
ACTION AND USES: Used as mydriatic and cycloplegic.
Its effects resemble those of atropine but occur more promptly and disappear in shorter time.
DOSAGE: 0.5 mg. or 1/120 grain (U.S.P.). May be used in aqueous solution of 2 per cent. strength, or a drop of a 1:500 solution may be introduced into the conjunctival sac every five minutes for five times to produce a maximum dilatation in three quarters of an hour
=Humulus (Humul.), Hops, U.S.P.=
ACTION AND USES: Formerly used as aromatic bitter stomachic.
DOSAGE: 2 Gm. or 30 grains (U.S.P.).
_Elixir Humuli (Elix. Humul.), Elixir of Hops, N.F._--Fluidextract of hops (12.5%), compound elixir of taraxac.u.m, tincture of vanilla and aromatic elixir. Absolute alcohol content about 25 per cent.
DOSAGE: 8 Cc. or 2 fluidrachms (N.F.).
_Fluidextractum Humuli (Fldext. Humul.), Fluidextract of Hops, N.F._--Hops (100%). Absolute alcohol content about 50 per cent.
DOSAGE: 2 Cc. or 30 minims (N.F.).
_Tinctura Humuli (Tr. Humul.), Tincture of Hops, N.F._--Hops (20%) in diluted alcohol. Absolute alcohol content about 45 per cent.
USES: Bitter stomachic.
DOSAGE: 4 Cc. or 1 fluidrachm (N.F.)
=Hydrangea (Hydrang.), Hydrangea, N.F.= (Seven-Barks).--Rhizome and roots.
ACTION AND USES: Obsolete cathartic, diuretic and diaph.o.r.etic; without established value.
DOSAGE: 2 Gm. or 30 grains (N.F.).
_Fluidextractum Hydrangeae (Fldext. Hydrang.), Fluidextract of Hydrangea, N.F._--Hydrangea (100%). Absolute alcohol content about 50 per cent.
DOSAGE: 2 Cc. or 30 minims (N.F.)
=*Hydrargyri Chloridum Corrosivum (Hydrarg. Chlor. Corr.), Corrosive Mercuric Chloride, U.S.P.= (b.i.+.c.hloride of Mercury, Corrosive Sublimate, Mercuric Chloride, Perchloride of Mercury).--HgCl{2}.
Heavy, colorless crystals, crystalline ma.s.ses or white powder, odorless and with a characteristic metallic taste. Slowly soluble in water (1:13.5) and freely soluble in alcohol (1:3.8). Its solubility in water is increased by the addition of sodium or ammonium chloride. Incompatible with soluble carbonates and hydroxides, with iodides and with alkaloids and other organic compounds. Reduced to calomel or metallic mercury by iron, zinc and other reducing agents.
ACTION AND USES: Chiefly as a germicide and antiseptic; also as a specific antisyphilitic agent. Acute mercuric chloride poisoning is treated by raw eggs and lavage.
DOSAGE: 0.003 Gm. or 1/20 grain (U.S.P.) in solution or pills. For hypodermic use in syphilis 0.01 Gm. or 1/6 grain daily (produces marked pain and irritation).
