Question: how often can a 5 year old take zofran?
Answer: Children 4 to 11 years of age—At first, 4 mg taken 30 minutes before starting cancer treatment. The 4-mg dose is taken again 4 and 8 hours after the first dose. Then, the dose is 4 mg every 8 hours for 1 to 2 days. Children younger than 4 years of age—Use and dose must be determined by your doctor.