SPIRITUS AETHERIS--SPIRIT OF ETHER

Composed of ether, 325 parts, alcohol to make 1000.

DOSE.--Same as ether.

SPIRITUS AETHERIS COMPOSITUS--COMPOUND SPIRIT OF ETHER--HOFFMAN’S

ANODYNE

Composed of ether, 325 parts; alcohol, 650 parts; ethereal oil, 25

parts.

DOSE.--Same as for ether.

ACTIONS.--Ether is anodyne, antispasmodic, diaphoretic, anthelmintic; a

cardiac, respiratory and cerebral stimulant, an anesthetic and a

narcotic poison; one of the best and quickest acting, diffusible,

general stimulants, acting on the heart reflexly from the stomach. It is

a powerful secretory stimulant, acting especially on the secretions of

the stomach, salivary glands and pancreas. On the cerebrum and the motor

and sensory nerves, its actions are similar to that of alcohol, but more

prompt and less protracted; it is eliminated quickly, chiefly by the

lungs.

When inhaled, it first causes irritation of the fauces, a sense of

strangulation and cough, then a stage of excitement in which the visible

mucous membranes are flushed and the respiration and pulse quickened; a

convulsive stage generally follows, with rigid muscles and respiration

stertorous; this subsides and complete insensibility is established, the

muscles being relaxed and the reflexes abolished; in fact all of the

functions of the body are suspended, except respiration and circulation.

If the inhalation be continued these too become paralyzed, death usually

resulting from slow paralysis of respiration (chloroform paralyzes

quickly); the heart pulsating long after breathing has ceased. Atropine

hypodermically is the best antagonist to the toxic effects of ether,

also artificial respiration and injections of brandy.

USES OF ETHER.--When mixed with alcohol, as the spirit, ether mixes

readily with water. It is excellent in indigestion with flatulence; it

checks gastric fermentation, expels the gas and overcomes irregular and

violent gastro-intestinal movements; hence, is also very good in

spasmodic colic. In spasmodic colic, best to combine with cannabis

indica or belladonna. When used as a vermifuge it should be followed by

a purge. Used diluted one to ten to dislodge worms in the rectum. A most

reliable remedy for collapse. Ether and alcohol are indicated in

parturient paresis, ether with aqua ammonia may be used intravenously

when the cow is unable to swallow. Sulphuric ether and alcohol or whisky

are also good in parturient eclampsia of bitches, though aromatic spirit

of ammonia is better; for chills, spirit of nitrous ether; also useful

in convalescence from debilitating disease. Ether is a very good remedy

in Thumps. Ether may be used for local anesthesia, applied as a spray,

from an atomizer, about one ounce, usually being enough for the painless

opening of abscesses or fistulae, but cocaine is better in our patients.

_As an anesthetic_ it should be used in preference to chloroform, for

the smaller and young animals, especially dogs, which are easily killed

by chloroform. Ether is less prompt in action but much safer than

chloroform, as it never paralyzes a healthy heart; it should be inhaled

in as concentrated a form as possible, very little air being allowed, so

it will exert its effects quickly, in the dog; a light or fire of any

kind should not be allowed near, as ether is very inflammable and its

vapor explosive. Always have a bottle of aqua ammonia fort. at hand as a

restorer.

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