Advise the patient or caregiver to read the FDA-approved patient labeling (Patient Information).
Advise patients that hypersensitivity reactions, including anaphylaxis and anaphylactic shock, have been reported in patients with or without known hypersensitivity to other 5-HT3 receptor antagonists. Advise patients to seek immediate medical attention if any signs or symptoms of a hypersensitivity reaction occur with administration of Palonosetron HCl Injection [see Warnings and Precautions (5.1)].
Advise patients of the possibility of serotonin syndrome, especially with concomitant use of Palonosetron HCl Injection and another serotonergic agent such as medications to treat depression and migraines. Advise patients to seek immediate medical attention if the following symptoms occur: changes in mental status, autonomic instability, neuromuscular symptoms with or without gastrointestinal symptoms [see Warnings and Precautions (5.2)].