September 2021 in “CRC Press eBooks” Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.
10 citations
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September 2012 in “Current Problems in Pediatric and Adolescent Health Care” Hair changes can indicate systemic diseases or medication effects.
51 citations
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November 2015 in “Medical Clinics of North America” The conclusion is that acne, alopecia, and hyperhidrosis are common skin issues with various treatments available, and accurate diagnosis is key for effective management.
1 citations
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October 2013 in “BMJ” A man's sudden hair loss and color change to white was diagnosed as alopecia areata and it improved on its own after six months.
4 citations
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January 2007 in “Australian Veterinary Journal” A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.