Althein, Or Asparagin

A crystalline substance obtained from asparagus, liquorice, marshmallow, and other roots. Slightly soluble in water. Dose, as a diuretic:I to 2 grains.

Alumnol

A white powder (aluminium naphthol-sulphonate), readily soluble in water. Used in venereal complaints, and as a gargle or spray for the throat, the solutions employed varying in strength from 2 to 16 grains per ounce.

Alypin

A local anaesthetic (Bayer), benzoyl-tetramethyl-dia-mino-ethyl-dimethyl carbinol hydrochloride. A crystalline powder, very soluble in water. The solution may be sterilised by boiling without injury. Used chiefly for eye-work in 2-per-cent. solutions ; also for lumbar anaesthesia, 0.25 to I c.c. of 2-per-cent. solution. Internal Dose: 1/20 to 1/2 grain. Alypin nitrate should be used with silver-nitrate solutions.

Amenyl

Methyl-hydrastimide hydrochloride. Pale-yellow needles, soluble in hot water and in alcohol. An emmenagogue given in doses of 3/4 to 1 1/2 grain daily, in conjunction with aloin if constipation is present.

Ammonol

A mixture of acet-anilide (50 per cent.) with sodium bicarbonate and ammonium carbonate.

Amphotropin is hexamethylene-tetramine camphorate, and is used as a bladder antiseptic in the same doses as hexamine.

Amygdophenin

A crystalline derivative of paramidophenol; is sparingly soluble in water, and is given in 8 to 15 grain doses in rheumatic fever.

Amylene Hydrate

This is a colourless, oily liquid, with a slightly camphoraceous odour ; soluble in 8 parts of water, and in alcohol, ether, and glycerin. Hypnotic in doses of 3ss. to 3j. May be administered in gelatin capsules, each containing 15 minims, or as a mixture.

Amyloform is the name given to a German antiseptic dusting-powder prepared by the action of formic aldehyde on starch.

Amyloiodoform is similar to the last-named preparation, but iodine also enters into it.

Anaesthesin (para-amido benzoic ethyl ester), C6H5.NH2COOC2H5, is a white, tasteless, and odourless powder, sparingly soluble in water, but easily soluble in alcohol, ether, acetone, chloroform, and oils. It has local anaesthetic and carminative properties, and is used in painful gastric disorders in doses of 5 to 8 grains twice daily, for coughs in 1/4 to 1/2 grain doses (preferably with glyco-gelatin or lozenge base), and for throat-affections as insufflations. Suppositories (5 to 10 grains) and ointment (10 per cent.) are also used.

Analgene C9H5(OC2H5).NH(COC6H5).N - is a white, crystalline powder insoluble in water, possessing analgesic and antipyretic properties. Dose: 5 to 15 grains not oftener than six times daily. Used in acute rheumatism, lumbago, neuralgia, and as a substitute for quinine in malaria.

Analgesine

This is one of several names given to antipyrin. Others are anodynin, methozine, parodyn, phenazone, phenylone, pyrazine, pyrazolone, and sedatin.