Williamsville Pediatric Center

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Acetaminophen and Ibuprofen Dosing Chart

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Aspirin is NOT RECOMMENDED for any child

Acetaminophen Dosing Chart

  • Dosages may be repeated every four hours, but should not be given more than five times in twenty-four hours. (Note: Milliliter is abbreviated as ml; 5 ml equals 1 teaspoon [tsp]. Don't use household teaspoons, which can vary in size.)
  • Also known as Tylenol

 

Acetaminophen Dosage (every 4 hours)
Weight Infant Dropper Children's Liquid Children's Chewable (80mg) Tylenol Junior (160mg) Adult Tylenol (325 mg)
0-10 lbs 1/2 Dropper        
10-15 lbs 1 dropper 1/2 tsp 1    
15-20 lbs 1 1/2 dropper 3/4 tsp 1 1/2    
20-25 lbs 2 droppers 1 tsp 2 1  
25-30 lbs 2 1/2 droppers 1 1/4 tsp 2 1/2    
30-40 lbs 3 droppers 1 1/2 tsp 3 1 1/2  
40-50 lbs 4 droppers 2 tsp 4 2 1
50-60 lbs 5 droppers 2 1/2 tsp 5 2 1/2  
60-70 lbs   2 3/4 tsp 5 1/2    
70-80 lbs   3 tsp 6 3 1 1/2
80 lbs and over         2

Ibuprofen dosing chart

  • Ibuprofen may be given every 6-8 hours
  • Also known as Motrin or Advil
  • Should not be given under 6 months of age

 

Weight Infant Drops Children's Suspension

Children's Chewable (100mg)

Adult (200mg)
0-10 lbs        
10-15 lbs 1.25 ml 1/2 tsp    
15-20 lbs 1.875 ml 3/4 tsp    
20-25 lbs 2.5 ml 1 tsp    
25-30 lbs 3.125 ml 1 1/4 tsp 1  
30-40 lbs 3.75 ml 1 1/2 tsp 1  
40-50 lbs   2 tsp 2 1
50-60 lbs   2 1/2 tsp 2  
60-70 lbs   3 tsp 3  
70-80 lbs   3 1/2 tsp 3  
85 lbs and over   4 tsp 4 2

 

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