Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/8/2025

Indications for Augmentin Use

Primary Indications

  • The World Health Organization recommends Augmentin as a first-choice option for lower urinary tract infections, according to WHO Essential Medicines guidelines 1
  • Augmentin is indicated for acute bronchiolitis in children with high fever (≥38.5°C) persisting for more than 3 days, as recommended by the American Academy of Pediatrics 3, 4
  • The American Academy of Pediatrics recommends Augmentin for acute bronchiolitis with associated purulent acute otitis media or pneumonia/atelectasis confirmed by chest X-ray 4
  • Augmentin is appropriate for children under 5 years with pneumonia who have insufficient vaccination against H. influenzae type b (less than three injections), as recommended by the American Academy of Pediatrics 3, 4
  • The American College of Chest Physicians recommends Augmentin for moderate to severe COPD exacerbations without risk factors for Pseudomonas aeruginosa 2
  • The American Academy of Pediatrics recommends Augmentin for acute bacterial sinusitis in children, particularly those presenting with moderate to severe illness 5, 6
  • High-dose amoxicillin-clavulanate (80-90 mg/kg/day of amoxicillin component with 6.4 mg/kg/day of clavulanate) is indicated for patients younger than 2 years, attending child care, or who have recently been treated with antimicrobials, as recommended by the American Academy of Pediatrics 5, 6
  • Augmentin is indicated for frontal or sphenoidal sinusitis or for patients with comorbid conditions, as recommended by the American Academy of Otolaryngology 2
  • The American Academy of Pediatrics recommends Augmentin for acute otitis media in children who have received amoxicillin in the previous 30 days or with otitis-conjunctivitis syndrome 2

Specific Clinical Scenarios

  • The American Academy of Pediatrics recommends using Augmentin over amoxicillin for patients who have received antibiotics within the previous 30 days 5, 2
  • Augmentin is recommended when initial amoxicillin therapy has failed, as suggested by the American Academy of Pediatrics 5, 6
  • The American Academy of Pediatrics recommends using Augmentin for children attending daycare (higher risk of resistant organisms) 5, 6
  • Augmentin is recommended for children younger than 2 years (higher risk of resistant organisms), as suggested by the American Academy of Pediatrics 5, 6

Dosing Considerations

  • The standard dose of Augmentin is 45 mg/kg/day in 2 divided doses for children with less severe infections, as recommended by the American Academy of Pediatrics 2
  • The high dose of Augmentin is 80-90 mg/kg/day of amoxicillin with 6.4 mg/kg/day of clavulanate in 2 divided doses for more severe infections or when antibiotic resistance is likely, as recommended by the American Academy of Pediatrics 5, 6, 2
  • For adults, higher doses (875 mg/125 mg or 2000 mg/125 mg) should be considered when antibiotic resistance is likely, as recommended by the Infectious Diseases Society of America 2

Common Pitfalls and Caveats

  • Augmentin should not be used as first-line therapy for all infections; amoxicillin alone remains the first choice for uncomplicated infections when beta-lactamase-producing organisms are not suspected, as recommended by the American Academy of Pediatrics 5, 6
  • The duration of Augmentin therapy should be tailored to the specific infection: 7-10 days for respiratory infections, 10-14 days for sinusitis, and 3-7 days for uncomplicated UTIs, as recommended by the American Academy of Pediatrics 2
  • Clinical response should be evaluated within 48-72 hours of initiating Augmentin therapy, as recommended by the American Academy of Pediatrics 2