2. (Cutan. Hosp.) Tannin, 1 oz.; cantharides (powdered), 2 oz.; strong acetic acid, 8 oz.; digest a week, and strain. Blisters.
Caustic, Common. See Potassa (Hydrate of), and Caustic of Potassa with Lime.
Caustic, Duville’s. Prep. 1. Aloes, 5 oz.; proof spirit, 10 oz.; oil of vitriol, 6 oz.; mix.
2. Aloes (in powder), 21⁄2 oz.; rum, 1⁄4 pint; mix, and the next day add, oil of vitriol, 1 oz.
A favourite caustic in veterinary practice; especially in foot-rot.
Caustic, Filho’s. Prep. From caustic potassa, 2 parts; quick-lime (in powder), 1 part; melt together in a ladle, mix well, and pour it into small leaden tubes, the size of a large swan-quill. When cold, coat each piece with melted beeswax, to exclude the air. Used as a strong caustic in veterinary practice. It is applied like nitrate of silver.
Caustic, Golden. Syn. Caustic of chloride of gold; Causticum aur′eum, C. aur′′ii chlor′idi, L. Prep. 1. (Recamier.) Terchloride of gold, 6 gr.; nitro-hydrochloric acid, 1 oz.; dissolve.
2. (Legrand.) As the last, but using nitric acid. Both are recommended as caustics in syphilitic, scrofulous, and scorbutic ulcers, cancerous growths, &c.; applied by means of a dossil of lint.
Caustic, Gondret’s. Syn. Gondret’s ammoni′acal caustic; Pommade de Gondret, Fr.; Causticum ammoniaca′le, L. Prep. 1. See Ointment, Ammoniacal.
2. (Original formula.) Almond oil, 2 dr.; suet, 4 dr.; lard, 6 dr.; melt together in a wide-mouthed bottle, cool a little, add solution of ammonia, 12 dr.; and agitate until cold. A powerful rubefacient and counter-irritant; used to produce an immediate revulsion. If covered with a compress, it raises a blister in 4 or 5 minutes.