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Peds Calc

Ibuprofen Pediatric Dosing Calculator

Calculate pediatric dosages for Ibuprofen in seconds with our Ibuprofen pediatric dosing calculator. Input the details, press Calculate Dosage, and get precise Ibuprofen prescriptions for every child!

Enter the weight of the baby in lbs

Select the weight unit that you are meeasuring in.

Select a medication from the list.

Select the strength of Ibuprofen

Adjust the slider to set the frequency (times per day).

Select the desired frequency (times per day).

Select the desired to set the dosage amount.

By using the "Calculate Dose" button on pedscalc.com, you acknowledge and agree that while our calculations aim for accuracy, final prescription responsibility lies solely with you, the healthcare provider. pedscalc.com and its operators are not liable for any errors or omissions, or for the results obtained from the use of this information. Always verify calculations and exercise professional judgment.

About Ibuprofen

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used for fever and mild to moderate pain in children when dosed by weight.

Ibuprofen in Pediatrics

Weight-based dosing: 10 mg/kg/dose every 6–8 hours (max 40 mg/kg/day)

Per‑dose cap commonly 400 mg in outpatient pediatric settings

Give with food or milk if stomach upset occurs; maintain hydration

Avoid in dehydration, active GI bleeding, or known NSAID allergy

Under 6 months: use only if specifically directed by a clinician

Ibuprofen Indications & Uses in Pediatrics

Evidence-based pediatric use cases for ibuprofen, with practical notes for families.

Ibuprofen provides antipyretic and analgesic effects in children. It is first-line for fever and common painful conditions when hydration is adequate and no contraindications exist.

ConditionAge RangeFirst Line?Notes
FeverChildren and adolescentsYesAntipyretic when dosed by weight and intervals are observed.
Mild to moderate painChildren and adolescentsYesMusculoskeletal pain, dental pain, headache, and minor injuries.

Common Pediatric Side Effects from Ibuprofen

Ibuprofen is generally safe in pediatrics when dosed by weight. The most common issues are gastrointestinal upset and, less commonly, gastrointestinal bleeding or kidney effects—particularly with dehydration or interacting medicines. Using the lowest effective dose, maintaining hydration, and avoiding duplicate NSAIDs help reduce risk.

Key pediatric concerns include GI upset, bleeding risk with certain co-medications, and renal perfusion effects when dehydrated. Simple counseling and vigilance for red flags keep use safe.

Gastrointestinal System

Dyspepsia, Nausea, Abdominal Pain

CommonMild

Gastrointestinal Bleeding

UncommonPotentially serious

Renal System

Reduced renal perfusion/AKI

RareSerious when dehydrated

Hypersensitivity/Respiratory System

Allergic or cross-reactive reactions

UncommonVariable

Key Safety Information

Most Common Side Effects:
  • Mild stomach upset
  • Temporary drowsiness
  • Minor skin reactions
When to Call Your Doctor:
  • Severe allergic reaction
  • Persistent symptoms
  • Unusual bleeding

Ibuprofen Pediatric Administration & Instructions

Practical guidance for giving ibuprofen safely to children.

Shake the suspension well. Measure doses with an oral syringe or dosing cup. Give with food or milk if stomach upset occurs.

Keep a dosing log, maintain hydration (especially during illness), and avoid combining with other NSAIDs.

Emergency contact: Contact your pediatrician for persistent fever >3 days, severe pain, signs of dehydration, or black/tarry stools.

You're doing great—if anything concerns you, call your care team.

Ibuprofen Contraindications & Warnings in Pediatrics

  • Known hypersensitivity to ibuprofen or other NSAIDs
  • History of aspirin/NSAID-induced bronchospasm, angioedema, or urticaria
  • Active gastrointestinal bleeding

How Ibuprofen Works - Mechanism of Action

Understanding how ibuprofen works helps guide safe, effective use in children.

By inhibiting COX enzymes, ibuprofen lowers prostaglandin levels involved in pain and fever pathways. The analgesic and antipyretic effects begin within 30–60 minutes and persist 6–8 hours.

Ibuprofen Clinical Pearls & Expert Tips

Clinical pearls to optimize ibuprofen safety and efficacy in children.

💧

Hydration matters

If your child isn’t drinking and keeps vomiting, pause ibuprofen

Hold ibuprofen during vomiting or poor intake to reduce AKI risk; resume once hydrated

🚫

Avoid duplicate NSAIDs

Use only one ibuprofen‑type medicine at a time

Avoid using multiple NSAIDs; duplicate therapy increases toxicity without added benefit

🍽️

Give with food to reduce GI upset

Food can make ibuprofen easier on the stomach

Give with food or milk to reduce dyspepsia; monitor high‑risk patients for GI bleeding signs

Parent & Caregiver Resources for Ibuprofen

Resources for Parents & Caregivers

Understanding your child's medication is important. We've created comprehensive guides to help you safely administer Ibuprofen and monitor your child's response to treatment.

Frequently Asked Questions

Every 6–8 hours as directed. Do not exceed 40 mg/kg/day or the OTC maximum daily dose for age/weight.

Yes, if your child has stomach upset. Taking with food or milk can improve comfort.

Ask your provider. Alternating can help some children, but it increases complexity and risk of dosing errors.

Avoid unless specifically directed by a clinician.

Black/tarry stools, vomiting blood, severe stomach pain, signs of dehydration, or fever lasting >3 days.