Indications: Treatment of fever and pain.

Table Notes:

  • DOSAGE: Determine by finding child's weight in the top row of the dosage table
  • BRAND NAMES: Tylenol, Feverall (suppositories), generic acetaminophen
  • FREQUENCY: Repeat every 4-6 hours as needed. Don't give more than 5 times a day.
  • ADULT DOSAGE: 650 mg
  • MELTAWAYS: Dissolvable tabs that come in 80 mg and 160 mg (jr. strength)
  • SUPPOSITORIES: Acetaminophen also comes in 80, 120, 325 and 650 mg suppositories (the rectal dose is the same as the dosage given by mouth).
  • EXTENDED-RELEASE: Avoid 650 mg oral products in children (Reason: they are q 8 hour extended-release)
  • PRECAUTIONS: 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, your infant needs a complete evaluation). Avoid multi-ingredient products in children under 6 years of age (Reason: AAP recommendation October 2007).

Acetaminophen Dosage Table


Acetaminophen Dosage Table
Child's weight more than (pounds) 7 14 21 28 42 56 84 112 lbs
Total Amount (mg) 40 80 120 160 240 325 480 650 mg
Infant Drops 80 mg/0.8 ml 0.4 0.8 1.2 1.6 2.4 -- -- -- ml
Syrup: 160 mg/5 ml (1 tsp) -- ½ ¾ 1 2 4 tsp
Chewable 80 mg. tablets -- -- 2 3 4 5-6 8 tabs
Chewable 160 mg. tablets -- -- -- 1 2 3 4 tabs
Adult 325 mg. tablets -- -- -- -- -- 1 2 tabs
Adult 500 mg. tablets -- -- -- -- -- -- 1 1 tab

Disclaimer: This information is not intended be a substitute for professional medical advice. It is provided for educational purposes only. You assume full responsibility for how you choose to use this information.


Author and Senior Reviewer: Barton D. Schmitt, M.D.

Last Reviewed: 8/1/2007

Last Revised: 8/24/2007

Content Set: Pediatric HouseCalls Online

Copyright 1994-2007 Barton D. Schmitt, M.D.