This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
The peeled dried fruit of Citrullus colocynthis. from which the seeds should be separated and rejected in making pharmacopeial preparations.
Colocynth belongs to the class of one-time popular hydragogue cathartics whose use appears to be on the decline. It is used in making:
Dosage: 0.03 Gm. Or ½ Grain.
A complex mixture of extract of colocynth with aloes and other drugs.
Dosage: 0.5 gm. or 7½ grains.
The latter is one of the four preparations used in making the compound cathartic pills of the U. S. P.