DOSAGE: 0.3 Gm. or 5 grains (U.S.P.), in powders or capsules. If small doses fail to relieve headache, larger doses are also usually ineffective.
=*Acidum Aceticum (Acid. Acet.), Acetic Acid, U.S.P.=--Acetic acid CH{ 3}.COOH (about 36.5%).
ACTION AND USES: Caustic and rubefacient. In the form of vinegar, is antidote to alkalies.
_Acidum Aceticum Dilutum (Acid. Acet. Dil.), Diluted Acetic Acid, U.S.P._--CH{ 3}COOH (about 6%).
_Acidum Aceticum Glaciale (Acid. Acet. Glac.), Glacial Acetic Acid, U.S.P._--CH{ 3}COOH.
A colorless liquid, with a vinegar-like odor and a pungent, sour taste. Miscible with water or alcohol.
*=Acidum Benzoicum (Acid. Benz.), Benzoic Acid, U.S.P.=--C{ 6}H{ 5}.COOH. Obtained from benzoin or prepared synthetically.
Lustrous, almost colorless scales or needles, with a pungent, acid taste. Slightly soluble in water (1:275) and freely soluble in alcohol (1:2.3); also readily soluble in solutions of alkali hydroxides or carbonates with the production of alkali benzoates.
ACTION AND USES: Mild antiseptic and diuretic.
DOSAGE: 0.5 Gm. or 8 grains (U.S.P.), best given in the form of soluble benzoates (see under =Sodii Benzoas=).
*=Acidum Boricum (Acid. Bor.) Boric Acid, U.S.P.= (Boracic Acid).--H{ 3}BO{ 3}.
Colorless, odorless scales or powder with a faintly bitter taste. Soluble in water and in alcohol (1:18); freely soluble in glycerin (1:4).
ACTION AND USES: Mild antiseptic and astringent.
DOSAGE: 0.5 Gm. or 8 grains (U.S.P.), in solution. A watery solution, ranging from 2 per cent. to =saturated=, is used in the treatment of conjunctivitis, cystitis, etc. Externally used as dusting powder.
_*Glyceritum Boroglycerini (Glycer. Boroglyc.), Glycerite of Boroglycerin, U.S.P._--Boroglycerin in glycerin representing 31% boric acid.
_Liquor Antisepticus (Liq. Antisept.), Antiseptic Solution, N.F._--Boric acid (2.5%), thymol, eucalyptol, methyl salicylate, oil of thyme, menthol, sodium salicylate and sodium benzoate in alcohol and water.
USES: Needlessly complex aromatic mouthwash.
_*Unguentum Acidi Borici (Ung. Acid. Bor.), Ointment of Boric Acid, U.S.P._--Boric acid (10%) in paraffin and white petrolatum.
=Acidum Bromauricum (Acid. Bromaur.), Bromauric Acid, N. F.=--Corresponds to not less than 32 per cent. of metallic gold.