Amargo, Bitter-Ash, Bitter Wood, Bitterwood, Bois Amer, Cuasia, Écorce de Quassia, Jamaican Quassia, Palo de Cuasia, Pao Tariri, Picrasma, Picrasma excelsa, Quassia amara, Quassia Amer, Quassia Bark, Quassia de Jamaïque, Quassia de Surinam, Ruda, Surinam Quassia, Surinam Wood.
Quassia is used for treating an eating disorder called anorexia, indigestion, constipation, and fever. It is also used to rid the intestines of various kinds of worms; as a tonic or purgative; and as a mouthwash.
Some people apply quassia directly to the scalp for lice.
Rectally, quassia is used for treating worm infestations.
In manufacturing, quassia is used to flavor foods, beverages, lozenges, and laxatives. The bark and wood have been used as an insecticide.
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