Estone

Trade-name for a basic aluminium acetate, which is mixed with starch for use as an astringent dusting-powder.

Estoral

Menthol boric ester B(O.C10H,9)3, a white, crystalline powder which is made into snuff for nasal catarrh.

Ethoxycaffeine

This compound (C8H9.OC2H5.N402) is obtained by boiling monobromo-caffeine with alcoholic potash. A crystalline substance, used for sick-headache and neuralgia. Dose: 5 to 15 grains.

Ethyl Bromide (Hydrobromic Ether).- A colourless, volatile fluid possessing an odour like chloroform. Its specific gravity should be I .420 if pure. It is used as an anaesthetic, like chloroform. Dose:15 minims. A distinct compound, Ethylene Bromide (C2H4Br2), which is a heavy, colourless liquid (s.g. 2.189), becoming crystalline at 90 C, has been recommended for the cure of epilepsy in doses of I to 2 minims.

Ethyl Chloride (Hydrochloric Ether) is a gas at the ordinary temperature, but is supplied liquefied in tubes for producing (a) local and (b) general anaesthesia.

Ethyl Iodide (Hydriodic Ether). An almost colourless, ethereal liquid (s.g. 1.94), used by inhalation, in 5 to 10 minim doses, for the relief of asthma, chronic bronchitis, and dyspnoea. Dispensed in glass capsules.

Ethyl-Morphine Iodide

Dionine iodide. Employed instead of dionine in certain affections of the eye. Applied as a powder.

Eubornyl

Alpha-bromo-iso-valerianic borneol ester. A syrupy liquid, soluble in alcohol, and used in nervous troubles.

Eucaine Hydrochloride. There are alpha and beta varieties of this, the former being the salt of benzoyl-n-methyl tetramethyl-7-oxypiperidine - carbonic methyl ester, and the latter the salt of benzoyl-vinyl diacetone alkylamine, the lactate of which is benzamine lactate, B.P. Eucaine is a local anaesthetic of the same power as, but of only one-fifth the toxicity of, cocaine. The alpha variety is for general use, and is soluble I in 10 of water, 15 to 60 minims of a 6-per-cent. solution being employed. The beta variety is for ophthalmic purposes, is soluble 1 in 28 of water, and is used in 2-per-cent. solution. Dose:1/10 to 1/2 grain.

Eucapren

A solution of supra-renin (1 :5,000) with I per cent. of beta-eucaine lactate. A local anaesthetic.

Eudermol

A crystalline, colourless, water-soluble salicylate of nicotine, recommended as a 1-in-1,000 ointment for parasitic affections of the skin, and as a nursery parasiticide.

Eudoxine

The bismuth salt of Nosophen (q.v.). A brown powder, containing 53 per cent. of iodine, used as an intestinal antiseptic in doses of 4 to 10 grains.

Eudrenine

A combination of eucaine and adrenalin for local anaesthesia.

Euferrol

A combination of arsenic and iron for producing Levico water.

Eugallol is a red-brown syrupy mixture of pyrogallol monoacetate 67 and acetone 33 soluble in alcohol and water. Used like pyrogallic acid for chronic psoriasis, eczema, and lupus.

Eugenoform is a sodio-eugenol carbonol, a crystalline compound readily soluble in water. It is an intestinal antiseptic in cholera, typhus, and other infectious diseases. Dose:7 1/2 to 15 grains, morning and evening.

Eugenol is the active principle of oil of cloves, and is an oily liquid, with the characters of that oil. It is given internally in 5 to 30 minim doses for tuberculosis; also used externally for eczema and other skin-diseases in combination with wool-fat.