What is the recommended dose of Ibuprofen (ibuprofen) for an 11-year-old female?

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From the Guidelines

For an 11-year-old female, the recommended ibuprofen dose is 400 mg every six hours, with a maximal initial dose of 400 mg and a maximal daily dosage of 2.4 g per day, as needed, not exceeding the recommended daily limit 1.

Important Considerations

  • The dosage is based on the medication's efficacy and safety profile, with ibuprofen being a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain management 1.
  • It is essential to use the measuring device provided with children's ibuprofen for accurate dosing and to take the medication with food or milk to reduce stomach upset.
  • The child's weight should be considered when determining the dose, with a general guideline of 4-10 mg per kg of body weight every 6-8 hours as needed, not exceeding 4 doses in 24 hours.

Potential Side Effects and Contraindications

  • Ibuprofen may cause side effects such as dizziness, rash, and gastrointestinal upset 1.
  • Contraindications include aspirin/NSAID-induced asthma, and the medication should be used with caution in patients with certain medical conditions, such as kidney disease or stomach ulcers.

Monitoring and Follow-up

  • If the child experiences severe pain, fever over 102.5°F that doesn't respond to medication, or symptoms lasting more than 3 days, a healthcare provider should be consulted.
  • Regular monitoring of the child's condition and adjustment of the dosage as needed can help minimize potential side effects and ensure effective pain management.

From the Research

Recommended Dose of Ibuprofen for an 11-year-old Female

  • The effective dose range of ibuprofen for children is 7.5-10 mg/kg, as shown in a study published in the International Journal of Clinical Practice 2.
  • Another study published in Health Technology Assessment found that the dose of ibuprofen for children is 10 mg/kg per dose, based on the child's weight 3.
  • A study in Clinical Pharmacology and Therapeutics compared the efficacy of 5 mg/kg and 10 mg/kg ibuprofen suspension in children with fever, and found that 10 mg/kg ibuprofen was more effective than 5 mg/kg ibuprofen and 10 mg/kg acetaminophen 4.
  • To calculate the recommended dose for an 11-year-old female, we need to know her weight. Assuming an average weight for an 11-year-old female, the recommended dose would be 10 mg/kg, as stated in the studies 2, 3, 4.
  • It is essential to note that the dose of ibuprofen should be determined by the child's weight, and caregivers who report that antipyretic dosage is based on weight are less likely to misdose medication, as found in a study published in Pediatric Emergency Care 5.
  • The efficacy of standard doses of ibuprofen alone, alternating, and combined with acetaminophen for the treatment of febrile children was compared in a study published in Clinical Therapeutics, which found that combined and alternating doses of ibuprofen and acetaminophen provided greater antipyresis than ibuprofen alone at 4 to 6 hours 6.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

A general overview of the use of ibuprofen in paediatrics.

International journal of clinical practice. Supplement, 2003

Research

Ibuprofen, acetaminophen, and placebo treatment of febrile children.

Clinical pharmacology and therapeutics, 1989

Research

Acetaminophen and ibuprofen dosing by parents.

Pediatric emergency care, 2000

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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