Targeteddd 5-HT3 Antagonism
Ondansetron (2mg) is a potent serotonin (5-HT3) receptor antagonist. It works by blocking the signals of serotonin both in the gastrointestinal tract and in the "Vomiting Center" of the brain (Chemoreceptor Trigger Zone), effectively shutting down the urge to vomit.




