Coexistence of Alopecia Areata and Fixed Drug Eruption: An Uncommon Isotopic Phenomenon?
January 2026
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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