WEBAcetaminophen/Ibuprofen Dosage Chart. This sheet is not specific to your child but provides general information. Always follow your provider’s order for dosing amounts. Acetaminophen (Tylenol® or another brand) Give every 4-6 hours as needed. Do not give more than 5 doses in 24 hours. Ibuprofen (Advil®, Motrin®, or another brand)