5-HT3 Receptor Antagonist

**Semantic type:** Chemical Viewed Functionally

**Definition:** 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.

**Synonyms:** - 5-HT3 Antagonists - 5-HT3 receptor antagonist - 5-hydroxytryptamine 3 receptor antagonist - type 3 serotonin receptor antagonist