Is Augmentin (amoxicillin-clavulanate) safe to use during pregnancy?

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Last updated: October 17, 2025View editorial policy

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Safety of Augmentin (Amoxicillin-Clavulanate) During Pregnancy

Augmentin (amoxicillin-clavulanate) is safe to use during pregnancy and can be administered when clinically indicated for treating infections. 1

Safety Profile and Evidence

  • Amoxicillin-clavulanic acid is considered safe and can be administered during pregnancy according to clinical practice guidelines 1
  • The FDA classifies amoxicillin in pregnancy category B, indicating that reproduction studies in animals have not demonstrated fetal risk, and there is no evidence of harm to the fetus in available human studies 2
  • Population-based case-control studies have shown that Augmentin treatment during pregnancy at usual therapeutic doses is unlikely to increase the risk of congenital abnormalities 3

Clinical Considerations

  • Beta-lactam antibiotics, including amoxicillin-clavulanate, are generally considered first-line antibiotics during pregnancy due to their established safety profile 4, 5
  • Penicillins and their derivatives (like amoxicillin-clavulanate) have been extensively used during pregnancy with no evidence of teratogenicity 4
  • When treating infections during pregnancy, the benefits of appropriate antibiotic therapy typically outweigh the potential risks of untreated infection 5

Maternal and Fetal Risks of Untreated Infections

  • Untreated infections during pregnancy can lead to significant complications including:
    • Preterm birth
    • Low birth weight
    • Spontaneous abortion
    • Intrauterine growth restriction 5

Monitoring and Precautions

  • As with any medication during pregnancy, Augmentin should be used at the appropriate dosage for the specific infection being treated 4
  • Physiological changes during pregnancy (increased glomerular filtration rate, increased total body volume) may affect antibiotic pharmacokinetics and should be considered when determining dosing 5
  • While amoxicillin is excreted in breast milk, it is considered compatible with breastfeeding, though there is a small risk of sensitization or alteration of gut flora in the infant 2

Alternative Antibiotics During Pregnancy

  • If a patient has a penicillin allergy, cephalosporins are generally considered safe alternatives during pregnancy 4
  • Macrolides (except for erythromycin estolate) may be used as alternatives in penicillin-allergic patients 5
  • Antibiotics to avoid during pregnancy include fluoroquinolones, tetracyclines, and aminoglycosides due to potential fetal risks 4, 5

Augmentin's established safety profile and effectiveness against many common infections make it an appropriate choice for treating bacterial infections during pregnancy when clinically indicated.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

A Review of Antibiotic Use in Pregnancy.

Pharmacotherapy, 2015

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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