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 infants' 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 office should you have questions. More Information

Acetaminophen

 
Dosages for Acetaminophen medicines for different weights and ages
(Only use under 12 weeks of age at the disrection of your provider.)
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
(Suspension) Check Bottle!
160mg/5mL
4 - 6 hours 1.25mL 2.5mL
1/2 tsp.
3.75mL
3/4 tsp
5mL
1 tsp.
7.5mL or
1 1/2 tsp.
10mL or
2 tsp.
12.5mL or
2 1/2 tsp.
(3 tsp if
over 72 lbs)
Chewable or
Meltaway Junior
160 mg
4 - 6 hours            2 tab.  2 1/2 tabs
(3 tabs if
over 72 lbs.) 
Chewable or
Meltaway
80 mg tablets
4 - 6 hours        2 tab.  3 tab.  4 tab.  5 tab.
(6 tab over
72 lbs.) 
OLD INFANT
CONCENTRATION
(Drops) Check Bottle!
80 mg/0.8 mL*
4 - 6 hours  1/2 dppr.
0.4mL
1 dppr.
0.8mL
1 1/2 dppr.
1.2mL
2 dppr.
1.6mL 
     
Suppository 120 mg 4 - 6 hours      1 supp.  1-1/2 supp.       
Suppository 325 mg 4 - 6 hours        1/2 supp.  3/4 supp.  1 supp.   
Suppository 80 mg 4 - 6 hours    1 supp.  1-1/2 supp.  2 supp.       
Suspension
160 mg/5 ml
4 - 6 hours  1.25mL 2.5mL or
1/2 tsp. 
3.75mL or
3/4 tsp. 
5mL or
1 tsp. 
7.5mL or
1 1/2 tsp. 
10mL or
2 tsp. 
12.5mL or
2 1/2 tsp.
(3 tsp if
over 72 lbs) 
 
Do not exceed 5 doses in 24 hours

NEW INFANT CONCENTRATION
(Suspension) Check Bottle!
160mg/5mL

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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