Linimentum Nigrum.—Black Liniment.
Related entry: Oil of turpentine
Preparation.—Take of olive oil, 1 ½ fluid ounces; sulphuric acid, 1 fluid drachm; mix well together, and then add oil of turpentine, ½ fluid ounce.
Action and Medical Uses.—An active counter-irritant, but does not vesicate. To be rubbed on the part with a piece of lint twice a day until the skin becomes tender and inflamed. It may be used in indolent swellings of the joints, rheumatic pains, and wherever active counter-irritation is indicated (Brodie).