This section is from the book "Materia Medica: Pharmacology: Therapeutics Prescription Writing For Students and Practitioners", by Walter A. Bastedo. Also available from Amazon: Materia Medica: Pharmacology: Therapeutics: Prescription Writing for Students and Practitioners.
A milk-like preparation in which an oil or resin is finely divided and rendered miscible with water by means of some viscous or adhesive substance. Emulsions are: (a) Natural, as in egg-yolk and milk. (b) Gum resin, as in emulsum asafoetidae; the drug contains gum, oil and resin, and on rubbing with water makes an emulsion. (c) Artificial, in which the adhesive must be added, as emulsion of cod-liver oil.
A liquid or semiliquid mixture of a drug with honey (honey of rose).
A semiliquid ethereal extract of a drug which contains oil and resin. The oleoresin contains the ether-soluble constituents of the drug, the ether being evaporated off. It is of greater strength than the drug itself (oleoresin of male fern).
A liquid or semisolid solution in glycerin (glycerite of boroglycerin).
An aqueous liquid for application to the skin. There are no official lotions.
A solution of a medicinal substance in collodion (cantharidal collodion).