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Dose, from twenty minims to one drachm. Caution.--An overdose produces apoplectic symptoms. [TO-DAY HE'S CLAD IN GAUDY, RICH ARRAY] 710. Camphor (2) Camphor is given internally as an antispasmodic in hysteria, cramp in the stomach, flatulent colic, and St. Vitus's dance. Dose, from two to twenty grains. 711. Opium (2) Opium is employed internally in spasmodic affections, such as cholera, spasmodic asthma, hooping cough, flatulent colic, and St. Vitus's dance. Dose, from one-sixth of a grain to two grains of the solid opium, according to the disease. 712. Oxide of Zinc Oxide of Zinc is an antispasmodic, astringent, and tonic. Used externally, as an ointment, it forms an excellent astringent in affections of the eyelids, arising from relaxation; or as a powder, it is an excellent detergent for unhealthy ulcers. Used internally, it has proved efficacious in St. Vitus's dance, and some other spasmodic affections. Dose, from one to six grains twice a day. 713. Calomel Calomel is an antispasmodic, alterative deobstruent, purgative, and errhine. Used internally, combined with opium, it acts as an antispasmodic in locked jaw, cholera, and many other spasmodic affections. As an alterative and deobstruent, it has been found useful in leprosy and itch, when combined with antimonials and guaiacum, and in enlargement of the liver and glandular affections. It acts beneficially in dropsies, by producing watery motions. In typhus it is of great benefit when combined with antimonials; and it may be given as a purgative in almost any disease, provided there is not any inflammation of the bowels, irritability of the system, or great debility.