Liniments are liquid preparations, usually of an oily or soapy nature, intended for external use as embrocations.

Prepare the official Linimentum Saponis as follows: In 70 mils alcohol dissolve 4.5 Gm. camphor and 1 mil oil of rosemary; add 6 Gm. powdered soap, and enough water to make the product measure 100 mils. Shake the mixture until the soap is dissolved, set it aside for 24 hours, then filter.

Try using some on yourself, and note how it facilitates the various massage movements,..........................................................................................................................................................................................................................

How does your sample compare with the standard ?........................................................................................

Examine the following official Liniments:

Sample

Color

Odor

Taste

Utility

L. Ammoniae, 25% NH4OH

Do not

Rubefacient

L. Belladonnae

Sedative locally ( ?)

L. Calcis (Carron Oil)

Protective in burns

L. Camphorae (20%)

Mild counterirritant

Official Liniments (continued):

Sample

Color

Odor

Taste

Utility

L. Chloroformi (30%)

Rubefacient

L. Saponis (Opodeldoc)

Embrocant

L. Saponis Mollis (Tinct. Green Soap)

Good detergent

L. Terebinthinae

Sharp rubefacient