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Pediatric - Acetaminophen Dosage Table

Acetaminophen (Tylenol, etc.) dosage table

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Acetaminophen (Tylenol, etc. ) Dosage Table
Child's weight more than (pounds)7142128425684112lbs
Total Amount (mg)4080120160240325480650mg
Infant Drops 80 mg/0.8 ml0.
Syrup: 160 mg/5 ml (1 tsp)--½¾124tsp
Chewable 80 mg. tablets----2345-68tabs
Chewable 160 mg. tablets------1234tabs
Adult 325 mg. tablets----------12tabs
Adult 500 mg. tablets------------11tab

Indications: Treatment of fever and pain.

Table Notes:

  • AGE LIMIT: Don't use under 12 weeks 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). EXCEPTION: Fever starting within 24 hours of immunization if child is 8 weeks of age or older. Avoid multi-ingredient products in children under 6 years of age (Reason: FDA recommendations 1/2008).
  • 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 every 8-hour extended-release)

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

Content Set: Pediatric HouseCalls Online

Pediatric HouseCalls Online

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