antiemetic
/ˌæntiˈmɛtɪk/Definitions
1. adjective
relating to or used in the prevention or relief of nausea and vomiting, especially in someone undergoing medical treatment, such as chemotherapy.
“The patient took an antiemetic medication to ease her nausea during chemotherapy.”
2. noun
a substance or agent that prevents or relieves nausea and vomiting.
“The doctor prescribed an antiemetic to help the patient cope with postoperative nausea.”