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met with two cases, in which symptoms entirely analogous to those described above, were produced whenever even very small doses of Quinine were administered. In these cases, however, the eruption was confined to the face. Both patients were women. One of them was at one time able to take Quinine without inconvenience,57.— I have had three patients, all ladies, with whom Sulphate of quinine has produced peculiarly unpleasant effects. Very soon, usually within half an hour, in one case almost immediately after the medicine was taken, the face became suffused with an erythematous eruption, and a tingling-itching sensation, very severe and distressing in its nature, followed and extended over the body and extremities. The effects produced in the three cases varied somewhat, but mainly were identical with the symptoms of urticaria ab injestis. In case first, I have at long intervals prescribed the various preparations from the bark unknown to her, and invariably with the same result, the less active preparations being the more slow in their effect. In this case nausea, vomiting, and great gastric distress followed the cutaneous irritation. In case second, there was produced considerable adema, with wheals, ending with desquamation. In case third, the cutaneous eruption and irritation were not so severe as with the others, but the pulmonary oppression and constriction of the throat were the more prominent symptoms, '-On the same day there developed a scarlatina-like eruption over the whole body, with very high fever, delirium, dyspnea, and all the symptoms of pulmonary congestion. Scarlatina, with pleuro-pneumonia, was diagnosticated. The eruption disappeared on the fourth day, and was followed by desquamation, which lasted three weeks,

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CHIONANTHUS.
Chionanthus virginica, L.
Naturul order, Oleaceae.
Common name, Fringe tree.

Authority. Dr. Scudder, Eclectic Med. Journ., May, 1876, (U. S. Med. Invest., N. S., 3, 1878, p. 562).

In good health, except some derangement of brain, taking the form of aphasia. Took 30 drops of a strong tincture at 1 P.M.; at 2.30 P.M., sensations of contractions in the stomacch, as if some living thing was moving in it, with uneasy sensations in the region of the liver, and occasionally in the region of the spleen; rheumatic pain in left ankle and tarsal bones. Unpleasant sensations in the stomach and hypochondria increase, and at 3 P.M. they have become very annoying ; sensation like spasms, or palpitations of the heart, in the stomach; uneasy sensation in the region of the sigmoid flexure, as if caused by flatulence; uneasiness in right hypochondrium, extending to the left iliac region; tongue coated yellow in the centre, previously clean; pulse markedly smaller and weaker; rheumatic pain in left carpo-metacarpal articulation of left thumb; evacuation of bowels at bedtime of black, tarry-looking fæces. Slept well; on waking had pain for a short time in the spine, from the seventh to the tenih dorsal vertebræ. The head was remarkably clear for a few hours, and all the symptoms of aphasia had disappeared (unfortunately they returned the next day, though not so bad). The sensations in the region of the stomach, liver, and spleen were so marked that no one could mistake the locality of the action, or the certainty of the action. I gave it to Mr. G. with about the same result, and to Mrs. N., who found a single dose of 10 drops produce all the seusations named in so unpleasant a form, that she could not be induced to repeat the remedy. In the last case there was a feeling as if the bowels were about to move off violently, from the action of a purgative, with the nausea usually associated with such an action, though there was no discharge from the bowels.

CHLORUM.

Authority. 25, M. Donné, Lancet, 1831-5 (2), p. 737, a girl, st. nineteen years, swallowed a glass of a solution of Chlorine.

Immediately seized with severe vomiting; the tongue became dry and red; she had slight fever, and the epigastrium was somewhat sensitive to touch ; the saliva was strongly acid,”.

CHROMICUM ACIDUM. Authority. 7, H. Wardner, M.D., Phil. Med. and Surg. Rep., vol. xx, 1869, p. 362, a man, set. thirty-six years, took a solution containing about 15 grains.

His features contracted, his countenance assumed a leaden hue, and his eyes sank (within three minutes) ; countenance partially resumed color (after two hours),':-Vomited very profusely; first the contents of the stomach, then a large quantity of bile; and lastly, considerable blood (within three minutes); stomach still irritable (after two hours),-Great burning pain in stomach (after two hours),'. -- Two or three copious alvine dejections (in three minutes),'.

CHRYSOPHANIC ACID. C,H,O

An organic acid obtained from Rhubarb and some lichens (Parmelia, Squamaria, etc.).

Authority. J. Ashburton Thompson, M.D., Brit. Med. Journ., 1877 (1),

p. 607.

Deductions from 319 observations ; 206 of these were on persons who were out of sorts rather than ill.

The crude powder and the extracted acid have the same locally irritant effects ; either kept in contact with the skin produces irritation, inflammation, and discoloration of the cutis. Either introduced in minute quantity to the eye causes conjunctivitis.

On reaching a dose of 6 grains, I experienced sensations of nausea, accompanied and followed by sensations of disturbance in the bowels; even an abortive attempt at vomiting; then relief from all symptoms (after four hours). Sensations of disturbance in the bowels, accompanied and followed the sensations of nausea (after four hours). A loose action of the bowels (after twenty hours).

My brother dined at 7; at 8.30 he took 8 grains of C. made into a pill with confection of roses.

Vomited (after two hours); aroused from sleep by another attack of vomiting (after three hours and a half). No depression, except during the act of vomiting.

Second series of observations, including 90 cases, 30 children and 60 adults. Vomiting is always the first sign of action; this is not attended by any depression at all comparable with that caused by tartar emetic or ipecacuanba ; in children, as well as in adults, the acts of vomiting varied between none in three out of the whole number and six in two out of the whole number; they were usually two or three; very often only one; the nausea continues more or less markedly until the bowels recover.

The action on the bowels is variable, from none in a few cases to nine or ten in equally few cases ; most often the range was between three and seven ; there is no griping pain ; the motions are very watery, and of such a brown color as suggests its origin with the powder taken ; if the vomiting be very early, then the purgation, although marked by a fluid stool or stools, will certainly not be violent; and in some cases, in which there was no vomiting, the bowels acted very freely; it does not always happen so, however, under the same condition; and I conclude, therefore, that some persons can take a larger dose than others.

A dose of six grains produces scarcely any effect upon children of twelve, eleven, ten, or nine years; upon children of eight and six years, the effect is uncertain ; upon children of from five years down to five weeks, it is certain to operate; but the time which elapses before its action is manifested may vary between ten minutes and nine, even twelve, hours; the effect of the same quantity is not increased as the age of the child is diminished. (Thus, three children of five weeks, of three years, and of six years, respectively, were affected by the six-grain dose to the same degree.) I am not able to say upon what this peculiarity depends, but the intervention of sleep delays the manifestation of any effect, and was the cause of delay in the two cases in which alone so long intervals as nine and twelve hours elapsed. A scruple is a moderate dose for an adult; the interval which elapses before it begins to operate may be so long as five hours; but, if the dose be well adapted to the individual, that is quite exceptional; four hours is a pretty frequent interval, but two hours or less is the most common interval; it may be so short as fifteen minutes, but is seldom shorter than thirty. I conclude that Chrysarobin is, in a dose of twenty-five grains for adults or of six or more grains for children, an emetic purge, of which the action is unattended by any inconvenient symptoms.

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Observations of Chrysophanic acid upon 116 persons, of all ages, and both sexes.— The action of Chrysophanic acid is similar to the action of Chrysarobin, with this difference, that while in a suitable dose each will cause vomiting and purging, if the dose be too small Chrysarobin is most likely to purge alone, while Chrysophanic acid is most likely to cause vomiting only. A larger full dose, that is to say, from fifteen to twenty grains, will always both vomit and purge the patient very freely, at the same time that it causes an inconvenient amount of either of those effects very rarely indeed. Farther, there is but little danger of inconvenience from too large a dose.

The dose of Chrysophanic acid.- In this case, as in that of Chrysa robin, I observe first of all, with a quantity which acts well upon a child of five or six years

of age, no increase in effect is observed with the same dose

VOL. X.-30

upon the very youngest children ; yet farther, of Chrysophanic acid I am obliged to say what does not hold good of Chrysarobin, that on children of less than four or five years its action is uncertain, in that it sometimes fails to act eutirely, or acts very feebly, or most often of all canses vomiting only; it never acts upon them with unexpected violence. I have found that six grains of Chrysophanic acid is a good dose for children of ten years and under. For adults, I find the action of the acid certain in a dose of fifteen grains; upon some adults I have found ten and even eight grains act as often as fifteen grains upon other adults apparently of simiTur physique; and again I have found some, but very few, who demand as much as a scruple for the manifestation of a reasonably brisk action.

Of Chrysophanic acid I have observed this effect : 'whatever the condition of the patient, it causes the evacuation, one way or the other, of large quantities of bile.

Fourth series of observations.-I made ten observations on adults with the resin of Chrysarobin, made into pills with Tragacanth and Glycerin. One grain had no effect upon two individuals; in three cases three-graiu doses caused vomiting from twice to five times, and purging from five to seven times; in one case, two grains were taken by a man, aged twenty years, instead of four as was intended; iu six hours, the bowels began to act, and then they acted very loosely three or four times; there was no vomiting, but considerable nausea, which lasted for eighteen hours; in the remaining four cases, four grains were taken for a dose; and this in every case acted within two hours, in one within half an hour, vomiting being the first sign, and purging very quickly ensuing; in three of these cases the acts of vomiting were three to five; of purging from five to ten; in the fourth, a stout woman, fairly strong, and the subject of habitual constipation, the vomiting and purging were continued during five or six hours, with very small intervals; she was suffering from neuralgia, which I bad traced to the state of the bowels, and it disappeared during this violent action; the sickness, except in the last case, was not said to be attended with much depression. It will thus be seen that the resin of Chrysarobin is identical with that of the crude powder and of Chrysophanic acid, but very much more powerful.

If a dose of Chrysophanic acid be taken, and immediately followed by a meal, its action will be considerably delayed; if it be taken after a meal, its action will be delayed in proportion (more or less) to the progress which has been made with digestion; if it be taken upon an empty stomach, its action is manifested quickly; there seems reason to believe that fulness of the stomach, or the consequent delay in action, determines its effects to the bowels, without in all cases obviously diminishing its emetic power; but emptiness of the stomach does determine it rather to emetic action, and does also diminish its purgative action, notwithstanding that, except in the case of babies, the latter is never entirely absent.

From these 319 cases I conclude that Chrysophanic acid is an emetic purge; its action is as certain, when given in appropriate dose, as that of any other drug which acts in either of these ways; if either kind of action should be wanting, on account of the dose having been too small, it is the purging which will fail to appear; but that is rare.

CICHORIUM. Authority. 2, J. W. Slater, Lancet, 1855 (2), p. 379, effect on a young man from roasting chicory.

Unable to read at night, not from an outward irritation, but, as he phrased it, from a feeling of “ deadness” in the eyes,".

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CICUTA MACULATA. Authorities. 4, G. W. Wright, Bost. Med. Intelligencer, vol. ii, 1825, p. 171, poisoning of a youth ; 5, “ W.," Bost. Med. and Surg. Journ., vol. x, 1834, p. 107, a man chewed and swallowed about 15 grains of the green root; 6. Dr. John Stockbridge, New Eng. Journ. of Med, and Surg., vol. iii, p. 334, a boy, æt. fifteen years, ate about 1 drachm of the root; 7, same, a boy, æt. seven years, ate about į drachm of root; 8, a boy, æt. five years, ate about the same quantity; 9, G. W. Norman, M.D., Virginia Med. Month., fatal poisoning of a young man, æt. seventeen years, by the root.

Mind.- Delirium after half an hour),,--[30.] Entirely insensible," Head.-Began to feel queer about the head (after half an hour),'.

Eyje.-Eyes glassy and wandering, '.-Pupils dilated," :-Pupils were greatly dilated, and did not contract when a candle was presented,:-Pupils dilated and insensible,*:--Eyes too sensible to light (after half an hour),

Face.-Countenance pale,':- Deathly paleness, resembling that of a drowned person," --Jaws locked,!! Nouth.-40.] Frothing at the mouth,'.

Throat.- Muscles of deglutition spasmodically affected, on presenting any substance to the mouth,'.

Stomach. – Nausea and vomiting,. - Vomiting, 5*5 —Sick at the stomach (after one bour),':-Vomiting several times, '.-Ejections of frothy mucus, mixed with a dark flocculent sediment and blood,'.-Every few minutes he complained of a sensation of universal distress, with oppression of the stomach,

Stool.-Inclination to stool,.
Respiratory Organs.-Stertorous breathing,'.

Pulse.-{50.) Pulse bardly perceptible,':-Pulse very feeble, 65,': – Pulse 50 to the minute,'.— The pulse was almost, and at times quite imperceptible,.—Pulse before the convulsion 51, and of the ordinary strength, afterwards weak; could not be felt during the convulsion,”.

Generalities.-Frequent twitching of the muscles of the body and extremities,". - Constant jactitation,'--Antagonizing muscles alternately convulsed, drawing the eyes and angles of the mouth right and left, in quick succession,'.-Convulsions,':-Violent convulsive fits, with frothing at the mouth, which continued for about an hour and a half, when he died,.[60.] Convulsion of a decidedly epileptic kind, lasting four or five minutes, marked by frothing at the mouth, distorted, livid countenance, and short spasms of all the muscles (after half an hour),.-Several convulsions at intervals of ten or fifteen minutes,'.

Sleep:-Inclination to sleep,'. — During the intervals of vomiting he lay in a deep sleep,*.

Fever.--Whole body and extremities cold,.-Extremities cold,'.

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