Dosages for Acetaminophen medicines for different weights and ages (only use under 12 weeks of age at the discretion of your provider).

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Medicine Name

May Give Every

6-11 lbs.
2-3 mo.

12-17 lbs.
4-11 mo.

18-23 lbs.
12-23 mo.

24-35 lbs.
2-3 yr.

36-47 lbs.
4-5 yr. 

48-59 lbs.
6-8 yr. 

60-85 lbs.
9-11 yr. 

All Medicines

Do Not exceed 5 doses in 24 hours

New Infant Concentration

160mg/5mL
(Suspension) Check Bottle!

4-6
hours

1.25 mL

2.5 mL
1/2 tsp.

3.75 mL
3/4 tsp.

5 mL
1 tsp.

7.5 mL or 
1 1/2 tsp.

10mL or 
2tsp.

12.5mL or 2 1/2 tsp.
(3 tsp if over 72 lbs)

Chewable or
Meltaway Junior

160 mg

4-6
hours

 

Do not use

2 tab.

2 1/2 tabs (3 tabs if over 72 lbs.)

Chewable or
Meltaway

80 mg tablets

4-6
hours

Do not use

2 tab.

3 tab.

4 tab.

5 tab. (6 tab over 72 lbs.)

Old Infant Concentration

80 mg/0.8 mL
(Drops) Check Bottle!

4-6
hours

1/2 dppr.
0.4 mL

1 dppr.
0.8 mL

1 1/2 dppr.
1.2 mL

2 dppr.
1.6 mL

Do not use

Suppository

120 mg

4-6
hours

Do not use

1 supp.

1-1/2 supp.

Do not use

Suppository

325 mg

4-6
hours

Do not use

1/2 supp.

3/4 supp.

1 supp.

--

Suppository

80 mg

4-6
hours

Do not use

1 supp.

1-1/2 supp.

2 supp.

Do not use

Suspension

160 mg/5 mL

4-6
hours

1.25 mL

2.5 mL or
1/2 tsp.

3.75 mL or
3/4 tsp.

5 mL or 1 tsp.

7.5 mL or
1 1/2 tsp.

10 mL or
2 tsp. 

12.5 mL or 2 1/2 tsp. (3 tsp if over 72 lbs.)

All Medicines

Do not exceed 5 doses in 24 hours

New Infant Concentration

160 mg/ 5 mL
(Suspension) Check Bottle!
  • May Give Every 4 – 6 hours
  • 10-11 lbs. 2-3 mo. | 1.25mL
  • 12-17 lbs. 4-11 mo. | 2.5mL or 1/2 tsp.
  • 18-23 lbs. 12-23 mo. | 3.75mL or 3/4 tsp.
  • 24-35 lbs. 2-3 yr. | 5mL or 1 tsp.
  • 36-47 lbs. 4-5 yr. | 7.5mL or 1 1/2 tsp.
  • 48-59 lbs. 6-8 yr. | 10mL or 2 tsp.
  • 60-85 lbs. 9-11 yr. | 12.5mL or 2 1/2 tsp.or (3 tsp if over 72 lbs)

 

Chewable or Meltaway Junior

160 mg
  • May Give Every 4 – 6 hours
  • 48-59 lbs. 6-8 yr. | 2 tab.
  • 60-85 lbs. 9-11 yr. | 2 1/2 tabs (3 tabs if over 72 lbs.)

 

Chewable or Meltaway

80 mg tablets
  • May Give Every 4 – 6 hours
  • 24-35 lbs. 2-3 yr. | 2 tab.
  • 36-47 lbs. 4-5 yr. | 3 tab.
  • 48-59 lbs. 6-8 yr. | 4 tab.
  • 60-85 lbs. 9-11 yr. | 5 tab. (6 tab over 72 lbs.)

 

Old Infant Concentration

(Drops) Check Bottle!
80 mg/0.8 mL*
  • May Give Every 4 – 6 hours
  • 10-11 lbs. 2-3 mo. | 1/2 dppr. or 0.4mL
  • 12-17 lbs. 4-11 mo. | 1 dppr. or 0.8mL
  • 18-23 lbs. 12-23 mo. | 1 1/2 dppr. or 1.2mL
  • 24-35 lbs. 2-3 yr. | 2 dppr. or 1.6mL

 

Suppository

120 mg
  • May Give Every 4 – 6 hours
  • 18-23 lbs. 12-23 mo. | 1 supp.
  • 24-35 lbs. 2-3 yr. | 1-1/2 supp.

 

Suppository

325 mg
  • May Give Every 4 – 6 hours
  • 24-35 lbs. 2-3 yr. | 1/2 supp.
  • 36-47 lbs. 4-5 yr. | 3/4 supp.
  • 48-59 lbs. 6-8 yr. | 1 supp.

 

Suppository

80 mg
  • May Give Every 4 – 6 hours
  • 12-17 lbs. 4-11 mo. | 1 supp.
  • 18-23 lbs. 12-23 mo. | 1 1/2 supp.
  • 24-35 lbs. 2-3 yr. | 2 supp.

 

Suspension

160 mg/5 mL
  • May Give Every 4 – 6 hours
  • 12-17 lbs. 4-11 mo. | 2.5mL or 1/2 tsp.
  • 18-23 lbs. 12-23 mo. | 3.75mL or 3/4 tsp.
  • 24-35 lbs. 2-3 yr. | 5mL or 1 tsp.
  • 36-47 lbs. 4-5 yr. | 7.5mL or 1 1/2 tsp.
  • 48-59 lbs. 6-8 yr. | 10mL or 2 tsp.
  • 60-85 lbs. 9-11 yr. | 12.5mL or 2 1/2 tsp. (3 tsp if over 72 lbs)
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