Acetaminophen

Dosages for Acetaminophen medicines for different weights and ages

(Do not use under 2 months of age. Please reach out to our office.)

Do not exceed 5 doses in 24 hours

Medicine 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.
Infant/Child Concentration (Suspension) 160 mg/5mL 4-6 hours 1.25 mL (1/4 tsp) 2.5 mL (1/2 tsp) 3.75 mL (3/4 tsp) 5 mL (1 tsp) 7.5 mL (1.5 tsp) 10 mL (2 tsp) 12.5 mL (2 1/2 tsp) 15 mL ( 3 tsp) if over 72 lbs)
Chewable or Meltaway 80 mg tablets 4-6 hours - - - 2 tab 3 tab 4 tab 5 tab (6 tab if over 72 lbs)
Chewable or Meltaway Junior 160 mg 4-6 hours - - - - 1.5 tab 2 tab 2 1/2 tabs (3 tabs if over 72 lbs)
Suppository 80 mg 4-6 hours - 1 supp 1 1/2 supp 2 supp. - - -
Suppository 120 mg 4-6 hours - - 1 supp 1 1/2 supp 2 supp - -
Suspension 160 mg/5 ml 4-6 hours 1.25mL (1/4 tsp) 1.25 mL or 1/2 tsp 3.75 mL or 3/4 tsp 5mL or 1 tsp 7.5 mL or 1 1/2 tsp 10mL or 2 tsp -
Suppository 325 mg 4-6 hours - - - 1/2 supp - 1 supp -

Customized from Acetaminophen v0.1 7/8/2025