What is the appropriate dose of Amoxicillin (amox) for a 24-pound infant?

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Last updated: April 14, 2025View editorial policy

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From the Guidelines

For a 24-pound (approximately 11 kg) infant, the recommended amoxicillin dose is 15 mg/kg/dose PO q12 h, which translates to about 165 mg per dose twice daily, with a maximum dose of 40-90 mg/kg/day PO in 2-3 divided doses, as stated in the most recent guidelines 1. The exact dosing depends on the condition being treated, with higher doses recommended for more severe infections. Some key points to consider when administering amoxicillin to an infant include:

  • The medication should be given with or without food
  • The full course (usually 7-10 days) should be completed even if symptoms improve
  • Side effects may include diarrhea, rash, or yeast infections
  • It's crucial to consult with a healthcare provider before administering any medication to an infant, as they will determine the appropriate dose based on the specific infection, severity, and the child's exact weight and medical history. Additionally, the guidelines from 1 and 1 provide more information on the management of community-acquired pneumonia in infants and children, but the most recent and relevant information for amoxicillin dosing is found in 1.

From the Research

Amoxicillin Dosage for a 24-Pound Infant

  • The provided studies do not directly address the dosage of amoxicillin for a 24-pound infant.
  • However, it is known that amoxicillin is commonly used to treat various bacterial infections in children, and the dosage is typically based on the child's weight 2.
  • The American Academy of Pediatrics recommends the following dosages for amoxicillin in children:
    • For mild to moderate infections, 25-50 mg/kg/day divided into 2-3 doses
    • For severe infections, 50-100 mg/kg/day divided into 2-3 doses
  • To determine the appropriate dosage for a 24-pound infant, it is essential to consult with a pediatrician or a qualified healthcare professional, as they can assess the infant's specific needs and provide guidance on the proper dosage and administration of amoxicillin 3, 4, 5, 6.

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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