Antiemetic
A substance lessens nausea and vomiting either by a sedative action on gastric mucosa or nerves, or by reducing the irritability of the vomiting-center in the brain stem (medulla).
See:
References
Culbreth, D.M.R. A Manual of Materia Medica and Pharmacology. Reprinted by Eclectic Med Publications: Portland, OR, 1983.
Moore, M. Medicinal Plants of the Mountain West. Museum of New Mexico Press, Santa Fe, NM. l984.
Hyde, F.F. British Herbal Pharmacopoeia. British Herbal Medicine Assoc: West Yorks, England, 1983.