Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 9/14/2025

Isotretinoin Side Effects and Management

Common Side Effects

  • The American Academy of Dermatology notes that almost all patients treated with isotretinoin will experience mucocutaneous side effects, with cheilitis (dry lips) affecting up to 78% of users, which can typically be managed with liberal emollient use 1, 2
  • Dry skin and xerosis are very common side effects of isotretinoin 1
  • Dry eyes, xerophthalmia, and conjunctivitis may require ocular lubricants 1, 2
  • Hypertriglyceridemia occurs in 25-50% of patients, dose-dependent 1
  • Mild elevations in liver enzymes are seen in 13-16% of patients 3, 4

Serious Side Effects

  • Retinoid embryopathy is a severe and well-documented complication during pregnancy, requiring mandatory enrollment in iPLEDGE program for women of childbearing potential 1, 2
  • The relationship between depression and isotretinoin use remains uncertain, but most studies show isotretinoin improves mood as acne improves 1, 2, 4, 5
  • The American Academy of Dermatology states that "current evidence is insufficient to prove either an association or causal relationship between isotretinoin use and inflammatory bowel disease" 4

Management of Side Effects

  • Mucocutaneous dryness can be managed with liberal emollient use or topical steroids if needed, and omega-3 supplements (1g/day) can reduce mucocutaneous side effects 1, 2
  • Ocular lubricants should be considered for patients with conditions that impair corneal wetting 1, 2
  • Monitoring of triglycerides and liver enzymes at baseline and two months into treatment is recommended, with more frequent monitoring needed with dose changes or as clinically indicated 1

Special Considerations

  • Routine monitoring of complete blood count is not warranted based on recent evidence 1, 4
  • Patients with contact lenses should be counseled about potential ocular complications 1, 2
  • Younger patients (<16 years) have higher relapse rates and may require additional monitoring 1, 2