Isotretinoin-induced myositis.

Retinoid-induced myositis is a phenomenon recognised in multiple case reports. We report a case of isotretinoin-induced myositis in an 18-year-old male patient. This case adds to the published literature as it demonstrates (i) myositis may occur after extended periods of isotretinoin use, (ii) should be considered as a differential diagnosis even when presenting asymmetrically and (iii) can continue to progress clinically and biochemically initially following the suspension of isotretinoin before being effectively treated with corticosteroids.

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© The Author(s) 2024. Published by Oxford University Press.

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