Dosing Schedule for Ibuprofen and Acetaminophen


Ibuprofen (Motrin, Advil) dosages (only if 6-9 months of age or older):
12-17 lbs: 50mg (1.25 ml infant drops, or 1/2 tsp / 2.5 ml children’s suspension)
18-23 lbs: 75mg (1.875 ml infant drops, or 3/4 tsp / 3.75 ml children’s suspension)
24-35 lbs: 100mg (2.5 ml infant drops, or 1 tsp / 5 ml children’s suspension)
(Give every 6 – 8 hours, Check the manufacturer’s guide on the box for older children’s doses)


Acetaminophen (Tylenol) Dosages (only if 2 months of age or older):

Companies are changing the concentration of their medications for infants and there are new directions for these products. There may be a time when both the new and old concentrations of infants' acetaminophen products are in stores and also in your homes. For children under 2 years of age, dosing is not provided on the label - parents and caregivers are instructed to call their doctor for dosing instructions. To help you with providing the proper dose of this medicine for your infant, we are providing the dosing information here. If you have any questions, please do not hesitate to call our office to ensure you are providing the proper dosage to your infant.

What to do:

  1. Clarify the concentration of infants' acetaminophen product you are using.
  2. Use the chart below to determine the correct dosage based on your child's age/weight and the product concentration.
  3. If you have any questions, call our office.

Infants' Acetaminophen                                     Infants' Acetaminophen

Concentrated Drops -- "Old" Concentration   Oral Suspension  -- "New" Concentration

80 mg/0.8 mL                                                      160 mg/5 mL

Weight (lb)   Age (mos)      Dose (mL)             Weight (lb)     Age (mos)       Dose (mL)

6-11 lbs        0-3 mos         0.4 mL                  6-11 lbs         0-3 mos          1.25 mL

12-17 lbs      4-11 mos        0.8 mL                  12-17 lbs       4-11 mos        2.5 mL

18-23 lbs      12-23 mos      1.2 mL                  18-23 lbs       12-23 mos       3.75 mL

24-35 lbs      24-36 mos      1.6 mL                  24-35 lbs       24-36 mos       5 mL

The enclosed dropper is designed to                The enclosed syringe is designed to provide  0.4 mL (40 mg) increments.                provide 1.25 mL (40 mg) increments.


(Give every 4 hours. Check the manufacturer's guide on the box for older children's doses.)                        


Reminder to our parents and caregivers