aloes, bitter aloes - a purgative made from the leaves of aloe

castor oil - a purgative extracted from the seed of the castor plant; used in paint and varnish as well as medically

Epsom salts - hydrated magnesium sulfate used as a laxative

laxative - a mild cathartic

medicament, medication, medicinal drug, medicine - (medicine) something that treats or prevents or alleviates the symptoms of disease

magnesium hydroxide, milk of magnesia - purgative consisting of a milky white liquid suspension of magnesium hydroxide; used as a laxative and (in smaller doses) as an antacid

Rochelle powder, Seidlitz powder, Seidlitz powders - an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid; used as a cathartic

laxative - stimulating evacuation of feces