A drug that prevents or reduces nausea and vomiting.
Definition (MSH)
Drugs used to prevent NAUSEA or VOMITING.
Definition (CSP)
drugs used to prevent nausea or vomiting; act by a wide range of mechanisms; some act on the medullary control centers while others effect the peripheral receptors.
Definition (NCI)
Drugs used to prevent nausea or vomiting. Antiemetics act by a wide range of mechanisms. Some act on the medullary control centers (the vomiting center and the chemoreceptive trigger zone) while others affect the peripheral receptors. (MeSH)