Linimentum Ammoniæ Fortius. L. Oleum Ammoniatum. E. Linimentum Ammoniæ. D. It consists of liquor ammoniæ one part, olive oil two parts, (oil eight parts, E.D.) The alkali forms with the oil a soap, which is held dissolved by the water in the liquor ammoniæ. Is an excellent rubefacient, and penetrating liniment.
Linimentum Ammoniæ Sub-carbonatis. L. Linimentum Ammoniæ. P.L. 1787. Linimentum Volatile. P.L. 1745. The carbonic acid prevents the perfect formation of soap in this liniment; unlike the former one, therefore, it deposits the soapy matter on standing. It is much less stimulating than the preceding one.
Linimentum Calcis. E.D. Oil and lime water, equal parts. This is an earthy soap, formed by the combination of lime and oil; the soapy matter separates on standing, it should therefore be extemporaneous. In cases of burns and scalds where the cuticle has been destroyed, it is an advantageous application.
Linimentum Camphoræ. L. Oleum Camphoratum. E.D. Camphor one, olive oil four parts. It is a simple solution of camphor in fixed oil, and forms a very useful embrocation to sprains, bruises, glandular swellings, and in rheumatic affections.
Linimentum Camphoræ compositum. L. Camphor two, liquor ammoniæ six, spirits of lavender sixteen parts. It is highly stimulating.[[551]]
Linimentum Hydrargyri. L. A pound of this liniment contains nearly ℥iv of mercury; it affects the mouth more rapidly than strong mercurial ointment, although it will be seen by the Medicinal Dynameter to contain less Mercury. This effect is to be attributed to the stimulating properties of its adjuncts, viz. Camphor and Ammonia.
Linimentum Saponis compositum. L. Hard soap iij, camphor j, spirit of rosemary xvj parts. It is a stimulant and anodyne application, and in local pains opium may be advantageously added to it. It is commonly used under the name of Opodeldoc.[[552]] See Sapo.
Linimentum Terebinthinæ. This liniment was introduced by Mr. Kentish of Newcastle, as a dressing to recent burns, which he continued until the eschars became loose.
LINUM CATHARTICUM. L.D. Purging Flax.
The qualities of this plant reside in extractive matter, hence water extracts, but long decoction injures them. Medicinal Uses. It is strongly purgative. Forms of Exhibition. ʒij of the dried herb infused in oj of boiling water. Dose, f℥ij.