Ondansetron

Health

What is Zofran?

How does Zofran work? Zofran is the brand name for the drug ondansetron, which belongs to a class of medications known as 5-HT3 receptor antagonists. It works by blocking the action of serotonin, a chemical produced by the body that can cause nausea and vomiting. Specifically, Zofran blocks the 5-HT3 receptors in the gut and brain, preventing the transmission of…