Pediatric Dosage Chart

Acetaminophen Dosage (For Fever & Pain)

Child’s Weight
Infant Oral Suspension
160 mg/5 ml

Syrup

160 mg/5 ml

Chewable 

80 mg

Chewable

160 mg

Adult

325 mg

More Than
Amount (mg)
Dropper Only
Teaspoon
Tablet
Tablet
Tablet
7 lbs
40 mg
1.25 ml
14 lbs
80 mg
2.5 ml
½ tsp.
21 lbs
120 mg
3.75 ml
¾ tsp.
1½ tsp.
28 lbs
160 mg
5 ml
1 tsp.
2
1
42 lbs
240 mg
1½ tsp.
3
56 lbs
325 mg
2 tsps.
4
2
1
84 lbs
480 mg
2½ – 3 tsps.
5 – 6
3
1- 1½
112 lbs
650 mg
4 tsps.
8
4
2

Acetaminophen Dosage 5 – 7 mg/pound/dose (10 – 15 mg/kg/dose) every 4 – 6 hours (Adults 650 mg).

  • Note: Acetaminophen also comes in 120, 325, and 650 mg suppositories (same dosage).
  • Don’t use under 3 months of age (Reason: fever during the first 12 weeks of life needs to be documented in a medical setting and if present, the infant needs a complete evaluation.)

Ibuprofen Dosage

Infant’s Ibuprofen Concentrated Drops
50mg/1.25mL
Children’s Ibuprofen Suspension 
100mg/5mL
Children’s Soft Chewable Tablets
50mg each
Junior Strength Chewable Tablets
100mg each

Junior Strength Ibupofen Caplets
100mg

Weight
Age
Dropperful
(Use dropper)
Teaspoon
Tablet
Tablet
Caplet
12-17 lbs
6-11 mos
1=(1.25 mL)
18-23 lbs
12-23 mos
1 ½=(1.875 mL)
24-35 lbs
2-3 yrs
2=(2.5 mL)
1 tsp.
2
36-47 lbs
4-5 yrs
1½ tsp.
3
48-59 lbs
6-8 yrs
2 tsp.
4
2
2
60-71 lbs
9-10 yrs
2 ½ tsp.
5
2 ½
2 ½
72-95 lbs
11 yrs
3 tsp.
6
3
3

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

  • Milliliter is abbreviated as mL; 5mL 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.