_Creosote._—Dose, one to two drops; is best given in a capsule. In many cases of indigestion it gives great relief if administered immediately after food. Creosote applied to a hollow tooth, upon a piece of cotton-wool, will usually relieve the pain. _Cresol._—This is a valuable disinfectant which is found on the market under several names. * _Croton Oil._—Dose, half to one or two drops, mixed with bread crumb or in a pill. Is a powerful purgative not usually given to Europeans. Native carriers like it. Useful in the case of unconscious patients, given in butter. _Copaiba, Balsam of._—Dose, five to twenty drops three times a day. Is best taken in capsules. It increases the expectoration, and is therefore useful in bronchitis; is a stimulating disinfectant to the urine, bladder and pipe, and is used in gonorrhœa and inflammation of the bladder. It may produce an irritating rash on the skin if taken in too large quantities. _Emetics._—The following are the usual emetics:— Common salt, two tablespoonfuls in half a pint of water. Mustard, one tablespoonful ” ” Ipecacuanha, thirty grains ” ” Zinc sulphate, thirty grains ” ” In the absence of any of the above, give copious draughts of tepid water, followed by tickling the back of the throat with the finger or a feather. _Emetine._—The active principle of ipecacuanha. Of great value in amœbic dysentery (p. 187). _Enema._—_Nutrient enema_: Two eggs, Half teaspoonful of salt, A wine-glassful of milk. Beat up the eggs, then add the salt and milk, and mix well. Raise the hips and inject slowly through the long tube well up into the bowel. _Nutrient enema_: Benger’s beef jelly, two tablespoonfuls, Milk, about three ounces. _Warm-water enema._ To relieve uneasiness of lower bowel, as in dysentery, piles, etc., half a pint or more of warm water, by the short tube. _Soothing enema._ Laudanum, thirty drops; warm water about two ounces. A little thin starch water or gum may be added. Inject through the short tube, and repeat the injection in three hours if patient is not easier. _Quinine enema._ Quinine, twenty grains or more; warm water, about two ounces. If the patient does not retain the injection, give a second one within an hour. Select a soluble preparation of quinine, such as the bisulphate or the hydrobromide. _Aperient enema._ Lather soap in thirty ounces of warm water, using plenty of soap to make a good solution; or use plain warm water or weak gruel; the addition of one or two tablespoonfuls of oil is of advantage. Inject slowly into the bowel with short tube; if it does not cause uneasiness, inject the whole amount. The injection should be retained as long as possible. _Epsom salts, or sulphate of magnesia._ Dose, two teaspoonfuls or more. Is a saline purgative, giving a copious watery motion, rapid in its action, and useful in fevers or congestion of the liver. It also increases the flow of urine.