Chemotherapy-Induced Nausea and Vomiting *Note different dosing units in pediatrics Age Dose* Infusion Time Adults 0.25 mg as a single dose Infuse over 30 seconds beginning approximately 30 minutes before the start of chemotherapy Pediatrics (1 month to less than 17 years) 20 micrograms per kilogram (maximum 1.5 mg) as a single dose Infuse over 15 minutes beginning approximately 30 minutes before the start of chemotherapy Postoperative Nausea and Vomiting The recommended adult dosage is 0.075 mg as a single intravenous dose administered over 10 seconds immediately before the induction of anesthesia. 2.1 Recommended Dosage Prevention of Chemotherapy-Induced Nausea and Vomiting The recommended dosage of palonosetron hydrochloride injection for prevention of nausea and vomiting associated with HEC and MEC in adults and associated with emetogenic chemotherapy, including HEC in pediatric patients 1 month to less than 17 years of age is shown in Table 1 .
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