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Advil kids dosage?

See the DrugPatentWatch profile for Advil

I can help, but “Advil kids dosage” depends a lot on the child’s age and weight, and also on the product strength (Advil children’s liquid vs chewables vs infants’ drops).

First: what form are you using?

  1. Children’s ibuprofen liquid (often 100 mg per 5 mL), or
  2. Chewable tablets (commonly 100 mg), or
  3. Infants’ drops (sometimes different concentrations)

If you tell me the child’s weight and the strength on the bottle/box, I’ll calculate the exact dose.


Usual ibuprofen (Advil/Motrin) dosing for kids

Dose: 10 mg per kg per dose
How often: every 6–8 hours as needed
Max: 40 mg/kg per day (and generally no more than 4 doses in 24 hours)


How to calculate (quick method)

mg per dose = weight (kg) × 10
Then convert mg to mL or tablet count based on the concentration.


Example (to show the math)

If a child weighs 20 kg:

  • mg per dose = 20 × 10 = 200 mg
  • If liquid is 100 mg per 5 mL (= 20 mg/mL), then 200 mg = 10 mL per dose.

Important safety notes

  • Don’t use if the child is dehydrated (vomiting/diarrhea with poor fluid intake).
  • Avoid if there’s a history of ibuprofen allergy, NSAID-triggered asthma, stomach ulcer/bleeding, or kidney disease.
  • If the child is under 6 months, dosing should be confirmed with a clinician.
  • If fever is under 3 months old or symptoms are severe, get medical advice urgently.

Reply with these 2–3 details and I’ll compute the exact dose

  1. Child’s age
  2. Child’s weight (lbs or kg)
  3. The exact Advil product strength (e.g., “100 mg/5 mL” or “100 mg chewable”)


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