Medication Dosages

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  • By: Dr. Playdate

    • Medications should be dosed based on your child’s weight, not age.

    Acetaminophen (Tylenol) – every 4 hours

    Weight Infants/Children’s liquid160 mg/ 5 ml Chewable tabs80 mg Chewable Tabs 160 mg
    6-10 lbs 1/4 tsp (1.25 ml)
    11-13 lbs 2 ml
    14-20 lbs 1/2 tsp (2.5 ml) One tablet
    21-30 lbs 4 ml 1.5 –1.75 tablets
    31-40 lbs 1 1/4 tsp (6.25 ml) 2 1/2 tablets 1 tablet
    41-50 lbs 1 1/2 tsp 3 tablets 1 1/2 tablets
    51-60 lbs 2 tsp 4 tablets 2 tablets
    61-70 lbs 3 tsp 6 tablets 3 tablets

    Ibuprofen (Motrin, Advil)- every 6 hours, Only in children > 6 months of age!

    Weight Infant drops50mg/1.25ml Children’s liquid100mg/5ml Chewable tabs50 mg Chewable tabs100 mg
    14-19 lbs 1.875 ml 3/4 tsp (3.75ml) 1 1/2 tablets 3/4 tablet
    20-24 lbs 2.5 ml 1 tsp (5 ml) 2 tablets 1 tablet
    25-30 lbs 3 ml 1 1/4 tsp (6.25ml) 2 1/2 tablets 1 1/4 tablets
    31-40 lbs 3.75 ml 1 1/2 tsp (7.5ml) 3 tablets 1 1/2 tablets
    41-50 lbs 2 tsp (10 ml) 4 tablets 2 tablets
    51-60 lbs 2 1/2 tsp (12.5ml) 5 tablets 2 1/2 tablets
    61-70 lbs 3 tsp 6 tablets 3 tablets

    Diphenhydramine (Benadryl) – every 6 hours

    Weight Children’s liquid12.5 mg/5 ml Chewable Tabs12.5 mg Adult tablets25 mg
    10-15 lbs 1/2 tsp (2.5 ml) 1/2 tablet
    16-20 lbs 3/4 tsp (3.75 ml) 3/4 tablet
    21-25 lbs 1 tsp (5 ml) 1 tablet
    26-30 lbs 1 1/4 tsp (6.25 ml) 1 1/4 tablets
    31-40 lbs 1 1/2 tsp (7.5 ml) 1 1/2 tablets
    41-50 lbs 1 3/4 tsp 1 3/4 tablets
    51-60 lbs 2 tsp 2 tablets 1 tablets
    61-70 lbs 2 1/2 tsp 2 1/2 tablets 1 1/4 tablets
    71-80 lbs 3 tsp 3 tablets 1 1/2 tablets

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