This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Properties : Physostigmin salicylate occurs as colorless or faintly yellowish crystals, odorless and having a slightly bitter taste. It is soluble in water and in alcohol.
Dosage: 1 mg. or 1/60 grain.
It is used in the eye in solution of the strength of from 0.1 to 1 per cent. To avoid the irritation that it sometimes causes, it is preferable to give it in oily solution, or in conjunction with cocain. The following mixture may be
gm or cc.
Rx Cocainae hydrochlor......... 0 | 02 gr. ¼
Aquae dest................ 10 00 3 ij
For hastening recovery from a miotic a drop of 0.1 per cent, solution in castor oil may be employed.