October 2025 in “Pediatric Dermatology” A 16-year-old boy's facial condition improved with doxycycline, suggesting an immune response to hair follicle damage.
June 2025 in “American Journal of Dermatopathology” Granulomatous Alopecia Areata is rare and may be caused by hair antigens or follicle destruction.
September 2022 in “Anais Brasileiros de Dermatologia” Dermoscopy helped diagnose a rare skin disease which slightly improved with treatment.
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March 2018 in “Proceedings - Baylor University. Medical Center” Sarcoidosis can cause severe high calcium levels, hair loss, and kidney failure.
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May 2020 in “JAAD case reports” Ruxolitinib can cause a delayed skin reaction on the nose.