What is the recommended dose of omeprazole (Proton Pump Inhibitor) for a 14-year-old patient?

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Omeprazole Dosing for a 14-Year-Old

For a 14-year-old patient, omeprazole should be dosed at 20 mg once daily for symptomatic GERD or erosive esophagitis, taken before meals. 1

FDA-Approved Weight-Based Dosing

The FDA label provides clear guidance for pediatric patients aged 2-16 years: 1

  • For patients weighing ≥20 kg (which includes most 14-year-olds): 20 mg once daily 1
  • For patients weighing 10 to <20 kg: 10 mg once daily 1

Treatment Duration by Indication

Symptomatic GERD

  • Duration: Up to 4 weeks 1
  • Administer once daily before meals 1

Erosive Esophagitis (EE)

  • Duration: 4 to 8 weeks initially 1
  • If no response after 8 weeks, an additional 4 weeks may be given 1
  • For recurrent EE or GERD symptoms, additional 4-8 week courses can be considered 1

Maintenance of Healing of EE

  • 20 mg once daily for patients ≥20 kg 1
  • Controlled studies do not extend beyond 12 months 1

Special Considerations for Higher Doses

While the standard FDA-approved dose is 20 mg once daily, certain conditions may warrant higher dosing: 2

  • For eosinophilic esophagitis: Doses up to 1 mg/kg twice daily (maximum 40 mg twice daily) may be appropriate, with treatment duration of 8-12 weeks before assessing response 3
  • For refractory cases: The American Academy of Pediatrics notes that effective dosing ranges from 0.7 to 3.3 mg/kg daily based on clinical improvement 2

Administration Instructions

  • Take before meals 1
  • Swallow capsules whole; do not chew 1
  • For patients unable to swallow: Open capsule and mix pellets with one tablespoon of applesauce (not hot), swallow immediately without chewing pellets, followed by cool water 1
  • Antacids may be used concomitantly 1

Important Clinical Caveats

  • Do not reduce established doses in primary care, especially for conditions like eosinophilic esophagitis where weight-based dosing has been carefully determined 3
  • Missed doses: Take as soon as possible, but skip if next dose is due; never double up 1
  • Rabeprazole is FDA-approved for ages 12 and older at 20 mg daily, providing an alternative PPI option for this age group 2

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Guideline

Omeprazole Dosing Considerations for Pediatric Patients

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

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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