Quassia amara - Quassia
"CONSTITUENTS: Quassin. Dose, one-third of a grain.
PREPARATIONS: Extractum Quassiae Fluidum, Fluid Extract of Quassia. Dose: from ten minims to one dram. Tinctura Quassiae, Tincture of Quassia. Dose: from one-half dram to one dram.
Therapy: It is one of the best of what is known as "stomach bitters." In debility of the stomach or intestinal structures, and inactivity of the secreting organs, the tonic effects of this agent are most pronounced. In convalescence from severe acute disease, the conditions there often existing are satisfactorily corrected with this remedy.
Many forms of dyspepsia depending purely upon atonicity, are cured by the use of quassia, either alone or in conjunction with some of the other remedies of this group which possess a similar action.
Quassia, by enema, will destroy ascarides. Pin or thread worms in large quantities may be removed by a single injection of a strong infusion of the bark....."
(Finley Ellingwood: The American Materia Medica, Therapeutics and Pharmacognosy, 1915)