Infant Tylenol Dosages for Older Children (Old Concentration) For children ages two to three (weighing 24 to 35 pounds), the recommended infant Tylenol dose is 1.6 mL (for the old concentration of 80 mg per 0.8 mL) every four hours as needed (but not more than five times in a day). Find out how much acetaminophen (often sold under the brand name Tylenol) to give your child. Weight (not age) determines the correct dose. Review the Infants’ and Children’s TYLENOL® dosage chart to better understand how to administer acetaminophen to your child based on their weight or age. TYLENOL is a pediatrician recommended brand of Pain Reliever/ Fever Reducer When it comes to reducing fever or relieving pain in infants, Infants’ TYLENOL has been the brand recommended most by pediatricians for the last 20 years. Reference this informational chart for the correct children and infant OTC acetaminophen dosage to help ensure safe usage, including Infants’ TYLENOL® and Children’s TYLENOL®. Medications and Dosages to Reduce Pain and Fever. Important! THERE HAS BEEN A CHANGE TO THE CONCENTRATION FOR INFANT ACETAMINOPHEN. ALL LIQUID ACETAMINOPHEN WILL BE MOVING TO A CONCENTRATION OF 160MG/5ML. ARUNDEL PEDIATRICS, P.A. Tylenol (Acetaminophen) Dosage Chart ** Tylenol can be given every 4 HOURS ** DO NOT give to children under 2 MOS OF AGE ** ACETAMINOPHEN (TYLENOL) DOSING CHART Liquid Suspension or Elixir Chewable Tablets Junior Strength (Tablets or Capsules) Regular Strength When it comes to reducing fever or relieving pain in children, TYLENOL® has been a reliable, effective medicine recommended by pediatricians for more than 50 years. Benadryl pediatric dosing chart best of infant tylenol gripe water colic relief for babies newborns mommy s bliss mylicon infants gas relief dye infants mylicon drops.