quassia is a plant. the wooden is used as medicinal drug, quassia is used for treating an eating disorder referred to as anorexia, indigestion, constipation, and fever. it's also used to rid the intestines of numerous kinds of worms; as a tonic or purgative; and as a mouthwash.

a few human beings observe quassia directly to the scalp for lice.

rectally, quassia is used for treating malicious program infestations.

in production, quassia is used to flavor meals, drinks, lozenges, and laxatives. the bark and wood have been used as an insecticide.

different names is quassia known through:
amargo, bitter-ash, bitter wooden, 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 timber.

insufficient proof to rate effectiveness for:
lice. early studies suggests that making use of quassia tincture one time can kill head lice. but, the lice would possibly come returned. some studies indicates that  applications inside one week is probably extra powerful than a unmarried application.
urge for food loss (anorexia).
intestinal worms.