_Uses._—As a dressing and lotion for eyes, navel, mouth, nipples, and all mucous surfaces. In solution to preserve the sterility of rubber nipples until they are needed. _Dose._—Internally, 5–15 gr. Solutions are usually about 4% or 5%. A saturated solution in water is about 6%. In hot water 25%. =Boroglyceride.= An antiseptic paste of boric acid and glycerine. When an excess of glycerine is present the preparation is called boroglycerol. _Uses._—An oxydizer in endometritis. It is applied to the cervix on cotton tampons. =Calcium= (_Lime_). Stomach sedative, soothes the irritated or burned skin, corrects hyperacidity, increases the clotting power of the blood (?). Lime water is a saturated solution of calcium hydrate and is used for nausea, to break up the curds of milk, and to increase its digestibility. It is mildly constipating. =Calomel.= _See Mercury._ =Camphor.= A solid volatile oil. Nerve sedative. Anaphrodisiac. Antispasmodic. Stimulant. _Uses._—The monobromated camphor is given internally for hysteria, neuralgia, and as a hypnotic. _Dose._—1–10 gr. =Camphorated Oil.= A solution of camphor in cottonseed oil. Rubefacient and stimulant. _Uses._—Internally in collapse. Externally as an application to the child for colds of chest and nose. _Dose._—5–20 ♏︎ hypodermically in collapse. The injection should be made deep into the muscle. =Carbolic Acid= (_Phenol_). Derived from coal tar. Antiseptic, deodorant and local anæsthetic. _Uses._—Vomiting of pregnancy, pruritus, eczema, sterilization of instruments. Usual solution is 2½% to 5%. For sterilization of knives, scissors and other sharp instruments the 95% is used. In pruritus, the following wash will aid: carbolic acid, 12 dr., glycerine 2 dr., alcohol, 4 ʒ water q.s. 1 pt. Apply. =Cascara Sagrada.= Stimulant laxative, and cathartic. Useful in pregnancy, but after labor there is evidence that it may go over in the milk to the child. _Dose._—Fl. ext. 10–20 ♏︎. The Hinkle pill contains cascara. =Castor Oil.= Oil expressed from the seeds of the castor plant. A cathartic. Acts in four or five hours. _Dose._—For adults, ½ oz. to 1 oz. For infants 10 to 60 drops given with a dropper—not with a spoon. Castor oil cocktail.—Rinse out the glass with lemon juice or whiskey. Pour in teaspoonful of lemon juice and a teaspoonful of whiskey, add castor oil in amount required, cover with whiskey and give. A paste is made from the mixture of castor oil and bismuth subnitrate in equal parts, which is an excellent preparation for sore nipples. _Cerium Oxalate (and Cerium Valerianate)._ Sedative and nerve tonic. The oxalate is a white crystalline powder, odorless and tasteless.