Coexistence of Alopecia Areata and Fixed Drug Eruption: An Uncommon Isotopic Phenomenon?

    January 2026
    Shreya Deoghare, Medha Rao, Ajay Kumar
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    Alopecia Areata →

    autoimmune disorder causing patchy hair loss

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    Studysummary This case study reports a rare instance of both alopecia areata and fixed drug eruption occurring in the same area on a 40-year-old man's beard, triggered by oral paracetamol, highlighting potential shared pathogenic pathways and the isotopic phenomenon.
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