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Isotretinoin-Associated Myopathy With Normal Creatine Kinase (CK) Levels: EMG-Based Diagnosis at Low Dose-A Case
Mehran Mahyar1, Roya Jahanbazi2, Ali Khorram3
1Department of Neurology, Faculty of Medicine Hormozgan University of Medical Sciences Bandar Abbas Iran.
Abstract:
Isotretinoin can cause toxic myopathy even at low doses with normal CK levels; proximal muscle weakness may be the only sign. EMG is essential for diagnosis, emphasizing the need for clinical vigilance and personalized assessment in patients with unexplained muscle symptoms on isotretinoin.
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