Palonosetron blocks the actions of chemicals in the body that can trigger nausea and vomiting. Palonosetron is used to prevent nausea and vomiting that may be caused by medicine to treat cancer (chemotherapy). Palonosetron may be used for other purposes not listed in this medication guide.
Aloxi is most commonly used to prevent nausea and vomiting that is caused from surgery or chemotherapy. Aloxi works by obstructing any chemicals in the body that may cause the symptoms of nausea and vomiting.