Which common drug for nausea and vomiting is a 5-HT₃ receptor antagonist?

Question

Quizplus · Accepted Answer

Ondansetron is a selective serotonin receptor antagonist, specifically the 5-HT3 receptor subtype. It works by blocking the action of serotonin, a natural substance that can cause nausea and vomiting. Promethazine is an antihistamine and is not a 5-HT receptor antagonist. Scopolamine is an anticholinergic medication used primarily to treat motion sickness and is also not a 5-HT receptor antagonist. Metoclopramide is a dopamine antagonist and is used for nausea and vomiting associated with certain conditions such as chemotherapy and gastroparesis, but it is not a 5-HT receptor antagonist.

Which Common Drug for Nausea and Vomiting Is a 5-HT3

Which Common Drug for Nausea and Vomiting Is a 5-HT₃