The disorganization of the blood caused by jaundice sets up a hemorrhagic diathesis. This result, however, is not usual in simple jaundice, but belongs rather to acute yellow atrophy, sclerosis, and other chronic affections of the liver. It will therefore be more appropriately considered in connection with those maladies.

COURSE, DURATION, AND TERMINATION.—When jaundice is a symptom merely, it pursues a course determined by the peculiarities of the disease. The duration of simple jaundice varies from one to four weeks, the average being about three weeks. If it continues longer than two months, suspicions may well be entertained that the case is of a more formidable character than simple jaundice. The termination of this form of the disease is always in health. A favorable prognosis can be given only in the case of an accurate diagnosis. Those cases may terminate more speedily which, being of malarial origin, are treated by efficient doses of quinine. If delirium and coma come on, the apparently mild case means, probably, acute yellow atrophy, which cannot at the onset be distinguished from simple jaundice. If any nervous symptoms occur or if hemorrhage appears, the case will prove to be serious. A rise of temperature usually indicates mischief. When the stools begin to exhibit the normal appearance from the presence of bile, a satisfactory termination of the case may be soon expected. The yellowness of the skin disappears slowly after the natural route of the bile has been restored, and the urine is the last to lose the pigment, as it was the first to exhibit its presence.

DIAGNOSIS.—The diagnosis of jaundice as a symptom is usually easy. It should be remembered that jaundice cannot be detected at night by any ordinary light, and when it is disappearing the tint varies, now being distinct, again absent. Mental emotion when the color is fading develops it. Browning by the sun's rays causes an appearance which might be mistaken by a superficial observer for jaundice, but it is only necessary to look at the parts protected and at the urine to discover the true state of the case. The detection of bile in the urine and the ocular evidence of its absence from the stools will be conclusive. In some cases of jaundice the stools are golden yellow, and in many instances they are offensive.

It is important to mark out the limits of the gall-bladder, if it is of sufficient size to do so, for any accumulation of bile in this sac signifies an obstruction of the ductus communis choledochus. If the jaundice has come on after the symptoms of gastro-duodenal catarrh, is recent, continues but two or three weeks, and then subsides without any nervous symptoms or hemorrhage, it is a case of simple jaundice, probably due to catarrh or spasm of the bile-ducts. If the jaundice be preceded by attacks of severe pain, nausea, and vomiting, and disappears after a week or two, the case is one of hepatic calculi. If the jaundice persists months after such an attack of acute pain, and does not disappear after a year or more, it is probably due to an impacted calculus. The other diagnostic relations of jaundice are more properly considered in connection with the malady of which jaundice is a symptom.

TREATMENT.—For jaundice the symptom the treatment is included in that of the disease. Here the treatment of simple jaundice, the functional disorder, is to be discussed. If there is much nausea, the tongue is heavily coated, and, especially if the seizure has followed dietetic excesses, an emetic of ipecac may be highly serviceable. Recent experiments have proved the accuracy of the clinical observations which recognized the cholagogue property of ipecac, and hence the emetic effect of this remedy is aided by its power to promote the discharge of bile. Emetics are of course contraindicated when jaundice is due to an impacted calculus, to malignant disease, to echinococci or other kinds of tumor. If there is much irritability of the gastro-intestinal mucous membrane, as shown in vomiting and diarrhoea, small doses of calomel (1/12 to ¼ grain) three or four times a day are highly useful. If calomel possessed the property ascribed to it of stimulating the liver, it would be injurious; it is beneficial here because it has a sedative effect at first, followed, when a sufficient amount has accumulated, by an eliminant action. Such hepatic stimulants as euonymin, sanguinarin, podophyllin, jalap, colocynth, rhubarb, etc. have long been used in cases of jaundice with the view that the liver is torpid and needs stimulating. It may be inquired, however, If the bile already formed has no outlet by the proper route, what utility can there be in making the organ produce more? The true reason for the administration of such remedies in any case of obstructive jaundice is to cause such downward pressure as to force out of the duct an obstructing plug of mucus. The writer has known this result to be accomplished by a dose of compound jalap powder when a great variety of remedies had been employed in vain. One of the most efficient remedies—in the writer's considerable experience the most efficient—is phosphate of sodium, of which a drachm or more is administered three times a day. This remedy liquefies mucous plugs and promotes the flow of bile without harshly and rudely forcing the biliary secretion, and it also has a marked curative effect in gastro-duodenal catarrh. It may be given advantageously with arseniate of soda—the latter in dose of 1/20 grain—and dissolved in a tumblerful of Vichy water or Saratoga Vichy water, or preferably in a wineglassful of hot water. Free use of alkaline and laxative mineral waters is desirable, for a double purpose—to act on the liver and on intestinal digestion, and to promote the excretion of biliary matters by the kidneys. In this country we have a number to select from—the Saratoga, Bethesda, Michigan, and others. Certain sulphurous waters, as the Blue Lick of Kentucky, are highly useful in the more chronic cases. Sulphur baths may be conjoined to the internal administration of the waters.

Nitric and nitro-muriatic acids have long been celebrated for their good effects in jaundice. It is the presence of the acid chyme in the duodenum which excites the normal flow of bile, and Bernard found that applying acid to the orifice of the common duct in the intestine has the same effect. There is then a rational reason for the administration of this remedy. A nitro-muriatic bath, both local and general, was formerly more used than now. Its utility is questionable, and the difficulties in the way of applying it great.

Recently, Gerhardt37 has proposed to faradize the gall-bladder, and by compression with the fingers to empty it, forcing the bile into the intestine, and thus clearing out obstructions. This seems to be very questionable if not dangerous practice, but repeated successes will justify it.

37 Sammlung klinische Vorträge, Volkmann, p. 112.

Regulation of the diet is of the first importance. Fats, starches, and sweets cannot be well digested when no bile enters the small intestine, where they undergo conversion. These substances fermenting, much acid results, and hence if a catarrh exist it is increased. An exclusive diet of skimmed milk, kept up for two weeks or as long as possible, is the best mode of alimentation for this part of the treatment. Afterward, the diet should be composed of milk, meat-broth, lemonade, and subsequently of the succulent vegetables, acid fruits, and fresh meat. Indulgence in malt liquors, wines, and spirits should be strictly prohibited.

A new method of treating jaundice has been lately proposed by Krull,38 which has the merit that no injury is done by it if no good is accomplished. It consists in injecting into the rectum from two to four pints of water at 60° F., which is retained as long as possible. Each time the injection is repeated the temperature is raised a little. Krull reports that he has uniformly succeeded, and has never found it necessary to repeat the injection more than seven times. It may be given twice or thrice a day.