Infants' Acetaminophen Concentration and Dosage Change

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. Identify the product concentration and dose for your infant's weight/age from the appropriate chart below.
  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


Infants' Acetaminophen Concentrated Drops           Infants' Acetaminophen Oral Suspension

The enclosed dropper is designed to provide                         The enclosed syringe is designed to provide

0.4 mL (40 mg) increments.                                               1.25 mL (40 mg) increments.


Reminder to our parents and caregivers