compound decoction

, from four to eight ounces; of the

extract

, from five grains to one drachm.

761. Expectorants

Expectorants are medicines given to promote the secretion from the windpipe, &c. They consist of antimony, ipecacuanha, squills, ammoniacum, and tolu.

762. Ammoniacum

Ammoniacum is an expectorant, antispasmodic, diuretic, and deobstruent.