palonosetron

Palonosetron injection is used to prevent nausea and vomiting that may occur within 24 hours after receiving cancer chemotherapy or surgery. It is also used to prevent delayed nausea and vomiting that may occur several days after receiving certain chemotherapy medications. Palonosetron injection is in a class of medications called 5-HT3 receptor antagonists. It works by blocking the action of serotonin, a natural substance that may cause nausea and vomiting.