Pediatric Medication Dosage Charts

Parents may utilize the dosage recommendations given below for children who fall between these age and weight limits. If you have any questions or confusion over the proper dosage to administer to your child, please contact Cobb Pediatrics at (770)425-5331 right away.

Children’s Tylenol (Acetaminophen) Dosage

NOTE: New Concentration for Infants. In accordance with FDA recommendations, acetaminophen manufacturers have changed the concentration of infant acetaminophen from 80mg/0.8ml to 160mg/5ml. Be aware that there may be both the old and new concentrations of infant acetaminophen products available in stores and in medicine cabinets. The pediatric acetaminophen products currently on the market can continue to be used as labeled. Be sure to check the label or contact our pediatric clinic should you have questions.

NOTE: AGE LIMIT. Don’t use under 12 weeks of age unless advised by your pediatrician.

Weight(NEW) Infant’s Suspension
Children’s Suspension Liquid
Children’s Soft Chewable Tablets
80mg eachTablet
Junior Strength Chewable Tablets
160mg eachTablet

6-11 lbs

Call office

12-17 lbs

1/2 tsp.

(2.5 ml)

18-23 lbs

¾ tsp.
(3.75 ml)

24-35 lbs

1 tsp.
(5 mL)


36-47 lbs

1 1/2 tsp.4


48-59 lbs

2 tsp.4

2 ½

60-71 lbs

2½ tsp.5

72-95 lbs

3 tsp.6


96 lbs & over

4 tsp.8


Please note: One dose lasts 4 hours. Do not give more than 5 doses in 24 hours.

Children’s Motrin (Ibuprofen) Dosage



Children’s Ibuprofen Suspension
Junior Strength Chewable Tablets
100mg each
Adult Tablets
0-5 mos

12-17 lbs

6-11 mos1/2 tsp.

18-23 lbs

12-23 mos3/4 tsp.

24-35 lbs

2-3 yrs1 tsp .1

36-47 lbs

4-5 yrs1 1/2 tsp.1 1/2

48-59 lbs

6-8 yrs2 tsp.2


60-71 lbs

9-10 yrs2 1/2 tsp.2 1/2


72-95 lbs

11 yrs3 tsp.3

1 1/2

Please Note: Not to be used under 6 months of age. One dose lasts 6-8 hours.

  • Milliliter is abbreviated as mL; 5 mL equals one teaspoon (tsp).
  • Don’t use household teaspoons, which can vary in size.
  • Aspirin should not be used in children to treat fever or pain.

Children’s Benadryl (Diphenhydramine) Dosage


Benadryl Liquid
12.5 mg = 5 mL
5 mL = 1 teaspoon
Benadryl Chewable
12.5 mg
Benadryl Capsules
25 mg
Benadryl Quick Dissolve Strips
25 mg

22-32 pounds

3/4 teaspoon

(3.75 ml)

23-43 pounds

1 teaspoon

(5 ml)

1 chewable

44-54 pounds

1 1/2 teaspoons

(7.5 ml)

1 1/2 chewable

55-109 pounds

2 teaspoons

(10 ml)

2 chewable1 capsule

1 strip

110+ pounds

4 chewable2 capsules

2 strips

Please note: Give every 4-6 hours, as needed, and not more than four times in 24 hours unless directed by a health care professional.

Schedule an Appointment for Pediatric Medication Dosage in Marietta, GA Today!

If you have any further questions on appropriate medicine dosing, meet with our pediatric specialists located in Marietta, Georgia. To schedule a consultation, please call (770) 425-5331 to visit Cobb Pediatrics.

Request an Appointment