Acetaminophen Dosing

The following table gives acetaminophen dosing guidelines by weight. It can be used for the different products available, including Tylenol.

Acetaminophen is a very effective medicine for fever and for pain. It has no effect on other symptoms related to a cold. Please remember to never use acetaminophen for infants under four months of age without talking to our office first. If your child has a stiff neck, is unusually lethargic or unresponsive, or might be dehydrated please call our office immediately.

Note that the infant drops and the children's syrup have very different concentrations. Use only the dropper provided with the infant drops to measure their dosing, and use a teaspoon to measure the dose of the children's syrup.

Infants' Acetaminophen

Concentration Drops - "Old" Concentration

Weight	Age	Dose (mL)
6-11 lbs	0-3 mo	0.4 mL
12-17 lbs	4-11 mo	0.8 mL
18-23 lbs	12-23 mo	1.2 mL
24-35 lbs	2-3 yrs	1.6 mL

 

Infants' Acetaminophen

Oral Suspension - "New" Concentration

Weight	Age	Dose (mL)
6-11 lbs	0-3 mo	0.4 mL
12-17 lbs	4-11 mo	0.8 mL
18-23 lbs	12-23 mo	1.2 mL
24-35 lbs	2-3 yrs	1.6 mL

Dosing schedule continues to provide approximately 10-15 mg/kg for children in the 10th-90th decline for weight.

Advil/Motrin Ibuprofen

		Concentrated Motrin® Infants' Drops	Children's Motrin® Suspension	Children's Motrin® Chewable Tablets	Junior Strength Motrin® Chewable Tablets	Junior Strength Motrin® Caplets
Weight	Age	mL (dropper)	Teaspoon	Tablet	Tablet	Caplet
Under 6 mos		Consult Your Child's Doctor
12-17 lbs	6-11 mos	1.25 mL
18-23 lbs	12-23 mo	1.875 mL
24-35 lbs	2-3 yrs		1 (tsp)	2 tablets
36-47 lbs	4-5 yrs		1 1/5 (tsp)	3 tablets
48-59 lbs	6-8 yrs		2 (tsp)	4 tablets	2 tablets	2 caplets
60-71 lbs	9-10 yrs		2 1/2 (tsp)	5 tablets	2 1/2 tablets	2 1/2 caplets
72-95 lbs	11 yrs		3 tsp	6 tables	3 tablets	3 caplets