Could Isotretinoin Shorten Adult Height?  - Takeaways - MDSpire

Could Isotretinoin Shorten Adult Height? 

  • By

  • Kathryn Wighton

  • June 4, 2026

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  • 1

    A nationwide Danish study found no significant reduction in adult height associated with adolescent isotretinoin treatment for acne.

  • 2

    The study analyzed data from 379,196 individuals who underwent military conscription examinations between 2001 and 2015.

  • 3

    Isotretinoin users showed adjusted mean height differences of only 0.3 cm compared to non-users, below the clinically relevant threshold of 5 cm.

  • 4

    Cumulative isotretinoin exposure did not demonstrate a dose-response relationship with adult height, indicating no growth impairment.

  • 5

    The findings may reassure clinicians and patients about isotretinoin's safety regarding height, despite some limitations in the study.

Original Source(s)

Could Isotretinoin Shorten Adult Height? 

  • by Kathryn Wighton

  • June 4, 2026

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