"Take of solution of ammonia, a fluid ounce; olive oil, two fluid ounces. Shake them together until mixed."

Oleum Ammoniatum, Edin. Ammoniated Oil.

"Take of olive oil, eight parts; water of ammonia, one part. Mix them."

Linimentum Ammoniae, Dub. Liniment of Ammonia.

"Take of caustic water of ammonia, two fluid drachms; olive oil, two fluid ounces. Mix them."

Syn. Liniment volatil (F.), Ammonium liniment ( G.), Linimento volatile (I.).

In these preparations a chymical union takes place between the alkali and the fixed oil, and produces a white soap, which is kept fluid by the water of the solution of ammonia. It is an excellent rubefacient, and is efficaciously employed in cynanche tonsillaris, spread on a piece of flannel, and applied round the throat; and to relieve the rheumatic pains it is rubbed upon the skin over the affected part, often with the addition of a little camphor, or, what is preferable, some extract of belladonna. I have found a medium proportion of solution of ammonia, or half a fluid ounce to two fluid ounces of oil, form a preparation better fitted for general use than the above.