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NCI Dictionary of Cancer Terms


palonosetron hydrochloride  listen  (pa-loh-NOH-seh-tron HY-droh-KLOR-ide)

  A drug used to prevent nausea and vomiting caused by chemotherapy. It is also used to prevent nausea and vomiting after surgery. Palonosetron hydrochloride blocks the action of the chemical serotonin in the brain, which may help lessen nausea and vomiting. It is a type of serotonin receptor antagonist and a type of antiemetic. Also called Aloxi.