Essentiae (Essences)

Preparations of B. P. corresponding to Spirits, U. S. P., but of 20 per cent. strength.


Fomentations consist of flannels wrung out in hot water, to which drugs may or may not have been added.

Gargarismata (Gargles) are fluid preparations for gargling.

Granules are small pills.

Guttae (Drops)

In England this term is used to designate liquid preparations to be dropped jnto the eye.

Haustus (Draught)

This term is used when only a single dose of a fluid preparation is required.

Injectiones (Injections)

These are of two kinds, Rectal (see Enemata), and Hypodermatic. The latter are highly concentrated solutions intended for use by means of a hypodermatic needle. (See p. 38.)


A common name for Vapors.


Powdered medicines or medicated powders designed for blowing into the nares, larynx or throat.

Lamellae (B. P.). - Small, thin discs made with gelatin and glycerin, and used to drop into the eye. They each weigh 1/50th of a grain .0013 gm..

Lanolinum is an ointment having hydrous wool fat as a basis.


(Never used in the United States.) A sweet mixture of a thick, syrupy consistence. It is to be swallowed slowly, being retained some time in the mouth.

Lotiones (Lotions)

Liquid, usually aqueous preparations for external use, commonly applied upon lint or muslin.


An ointment having for its basis mollin, a superfatted soap. It is readily absorbed, and also readily washed off with water.

Nebulae Sprays

Solutions sprayed into the throat by means of an atomizer.


Mellita containing acetic acid.


A preparation to be applied as an ointment.

Pastillus (Pastils)

A name often applied to troches, and in England limited to those having glyco-gelatin as a basis.

Perles are small pills.


Pessaries are solid preparations made like suppositories for introduction into the vagina. This term is rarely used in the United States.

Pigmentum (A Paint)

A liquid preparation adapted for painting on the skin, throat, etc.

Succi (Juices)

Expressed vegetable juices preserved by the addition of a definite proportion of alcohol.


(Tablets or Tabloids, the latter of British usage.) Solid, disc-like or lenticular bodies made by compression. "Tablet triturates" are composed of drugs which have been triturated before compression. They are very popular, but are often useless, for they may be so hard and insoluble that they are found in the faeces quite unaltered. Tablets should always be prescribed extemporaneously and freshly made."


Liquid preparations intended for administration by inhalation in form of vapor.