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5-HT3 receptor antagonist
Pronunciation
Definition 1
A type of drug used to treat certain types of irritable bowel syndrome and relieve nausea and vomiting. It is a type of antiemetic. Also called 5-hydroxytryptamine 3 receptor antagonist and type 3 serotonin receptor antagonist. (NCI Dictionary)
Definition 2
Any agent that binds to and blocks serotonin (5-HT) type 3 receptors. This group of agents is used to treat nausea, vomiting, and irritable bowel syndrome. Some of the 5-HT3 antagonists also show antipsychotic efficacy. (NCI Thesaurus)
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