Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 8/28/2025

Antibiotic Use During Isotretinoin Therapy

Safe Antibiotic Alternatives

  • Non-tetracycline antibiotics can generally be used if necessary during isotretinoin therapy, according to the American Academy of Dermatology 1, 2
  • Systemic antibiotics should be limited when possible to reduce antibiotic resistance, as recommended by the American Academy of Dermatology 1
  • Azithromycin may be considered as an alternative to tetracyclines for acne treatment during isotretinoin transition, as suggested by the American Academy of Dermatology 1, 2
  • Benzoyl peroxide should be used concomitantly with any antibiotic therapy to reduce resistance, as advised by the American Academy of Dermatology 1

Monitoring Recommendations

  • Routine monitoring during isotretinoin therapy should include liver function tests and lipid panels at baseline and until treatment response is established, according to the American Academy of Dermatology 2, 3
  • Complete blood count monitoring is not routinely recommended in healthy patients, as stated by the American Academy of Dermatology 2
  • Patients should be educated about potential psychiatric symptoms, although the causal relationship remains uncertain, as noted by the American Academy of Dermatology 3, 4