The brush applying it should not be dipped in the stock solution.

Buginaria Cocainæ Hydrochloratis, Nasal Bougies of Hydrochlorate of Cocaine.

One-sixth of a grain in each with gelato-glycerine basis. Useful in hay fever, sometimes combined with ¹⁄₁₂₀ grain of Sulphate of Atropine in each.

Injectio Cocainæ Hydrochloratis Hypodermica. 1 in 20.

Dose.—2 to 10 minims. For sciatica and many local affections acts better than morphine.

Hypodermic Lamels are prepared containing ¼ grain in each.

Lamellæ Cocainæ, Discs of Cocaine (Off.).

Discs of gelatine, each containing ¹⁄₂₀₀ grain of hydrochlorate of Cocaine. These should be prepared in an atmosphere carefully freed from dust and germs of fungi and disease. Also prepared containing ¹⁄₅₀ grain in each, and in combination with Atropine, Homatropine, and Physostigmine.

Liquor Cocainæ Hydrochloratis (Off.) 10 per cent. Solution of Hydrochlorate of Cocaine.[31]

Dose.—2 to 10 minims. Hydrochlorate of Cocaine 100, Salicylic Acid 1½, Boiling Distilled Water to produce 1,000 fluid parts when cold.