Which of the following drugs is not an antiemetic?
Ondansetron
Domperidone
Metoclopramide
Cinnarizine
Ans. (D) Cinnarizine(Ref: KDT, 18th/e p712)Cinnarizine is an anti-vertigo drug.Metoclopramide and domperidone are antiemetic drugs. These act by blocking D2 receptors.Ondansetron is an antagonist of 5HT3 receptors. It is the drug of choice for chemotherapy induced vomiting.
Anti-Emetic