OIL OF TURPENTINE.

711

(y e ou nccs it is a most valuable antispasmodic in the colic of horsesas a The Horse , in Lib. of Useful Knowledge). In small doses it acts*uhst 1 - Uret ’ c ' Tiedemann and Gindin {Versuch w. d. Wege aufivelch.a nd • ] KS 0 e ^ an 9-) detected oil of turpentine in the chyle of a dog

(O r? rsc ’ 10111 this agent had been given.

S tiis t‘ * man '—small doses (as six or eight drops to f5j.) it creates aCl dat ° n - <)f " ar,n th in the stomach and bowels, becomes absorbed, cir-i s jj ir es Wl th the blood, and in this way affects the capillary vessels, andVe °«- n ° u t °f the system by the different excretories, on the secerning°f s °f which it acts in its passage through them. The exhalationso dou ' e s ^in and bronchial membranes acquire a marked terebinthinatethe J’ " the urine obtains the smell of violets. By its influence on° n p eua v cssels it proves diuretic. By the same kind of local influences trii),/ cutarH ‘°>is vessels it proves sudorific. It appears to have a con-UtulJJ'! 1 '" e ^ oc t on the capillary vessels of the mucous membranes, for,a re ^ lls use, catarrhal affections of, and haemorrhages from, these partsU Se er l u ently checked, and often are completely stopped. Its continuedst a t e Ule tnnes brings on irritation of the urinary organs, or, when thisj Pre-existed, it is often aggravated by the use of turpentine.

P er(; . a "medium, dose (fsj. or f5ij.) its effects are not constant. Dr. Ed.Wipj ' a [Ed. Med. and Surg. Journ.v ol. ix.) saw two drachms givenUfg. 011 ^ an y unpleasant effect being produced either on the digestive orthe e t ° r b r,aTls ; they acted as an agreeable stomachic, and promoted°tligj. a , aineil i a - Mr. Stedman ( Edinb. Med. Essays, vol. ii. p. 42) on the])r Cs • lan d, has seen this dose produce strangury, bloody urine, sup-li°'Vev 11 secretion, fever, thirst, and vomiting. These two cases,

itiay g tr ’ lna . v he regarded as the opposite extremes ; and, in general, weho\vg] X h ec h from a medium dose, a leeling of heat in the stomach and'h'tpho' decelerated peristaltic motion, increased frequency of pulse,Ocg aj ,- resis > diuresis, and sometimes irritation of the urinary organs.

hi 10 7 nally '*■ P r °vokes the catamenia.

It l( urge or maximum dose (f5iv. to f3ij.) its effects are not constant,ail,] causes a sensation of abdominal heat, sometimes nauseates,illy „ general operates as a tolerably active purgative, without causingc °nsirl * , casant effects. I have given from one to two fluid ounces in aqiw ra > e number of cases of tape-worm, and never saw any ill conse-therefrom. “It has been given,” says Dr. Duncan, {Edinb.Ce PUbl ’ , even t° the extent of four ounces in one dose, without any per-fr °tn effects, and scarcely more inconvenience than would follow

11 liasf* quantity of gin.” Cases are reported, however, in which

% t] le l e ° to produce purging, and in such it has acted most violentlygi v ^ Ste . m ’ decelerating the pulse, depressing the muscular power,^'eral lase a disordered state of the intellectual functions, which< ^friled' ,erS<mS ^ ave compared to intoxication. A remarkable and well-aw/ j^ ance °i this occurred in the person of Dr. Copland, ( Lond.t^frbra,] f J° u m. vol. 4(i, p. 107), who refers the disorder of the

Ofuitj • unctions, in his case, to diminished circulation of blood in thethe gastric heat, &c. he ascribes to increased vasculara,i a kdominal region. The oil passed off most rapidly by tire

C Jungs (principally by the latter), and the air of the apartment

Ca Usc(] J ron gly impregnated with its effluvia. In some cases it hassleepiness. Purkinje (cpioted by Wibmcr, Wirk. d. Arzn.) ex-