Hair loss can happen after severe H1N1 flu but usually grows back in 4 months.
December 2018 in “European Journal of Pediatric Dermatology/PD. European journal of pediatric dermatology” Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.
7 citations
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February 2019 in “Anais Brasileiros de Dermatologia” July 2025 in “Journal of Investigative Dermatology” Upadacitinib effectively treats pyoderma gangrenosum.
November 2023 in “JCEM Case Reports” A postmenopausal woman's excess male hormone symptoms improved after her ovaries were removed.
April 2012 in “Cancer Research” EGFR deficiency in skin causes hair follicle issues and inflammation.
15 citations
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January 2014 in “Dermatology” Some patients with a type of skin lymphoma can experience a rare, non-scarring hair loss that looks like another hair loss condition but has distinct features.
4 citations
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September 2012 in “Transplant international” Graft rejection in a hand transplant may trigger hair loss due to autoimmune responses.
December 2024 in “JAAD International” July 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” October 2025 in “Brazilian Journal of Veterinary Research and Animal Science” Neotropical porcupines can get co-infected with poxvirus and Toxoplasma gondii.
October 1991 in “Archives of Dermatology” The woman has a skin condition involving nodules, scars, and hair loss.
39 citations
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January 2008 in “World Journal of Gastroenterology” Pegylated interferon-alpha 2a can cause a rare nerve disorder, but early treatment can lead to full recovery.
17 citations
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January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
7 citations
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December 2016 in “British Journal of Dermatology” The report suggests that hair loss in Cronkhite-Canada syndrome may be caused by alopecia areata incognita, as shown by a patient's improvement with treatment.
19 citations
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November 1985 in “Archives of Dermatology” The newborn's skin blisters healed without scarring, leaving some light spots, and stopped forming after four months.
9 citations
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June 1959 in “Archives of dermatology” Hair can darken after inflammation and then return to its original color.
5 citations
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May 1958 in “Archives of Dermatology” Treatment with corticosteroids and zinc injections can help hair regrowth and restore pigmentation in alopecia totalis.
8 citations
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January 2013 in “Australasian journal of dermatology” Trichodysplasia spinulosa is a rare skin condition caused by a virus, treatable with antiviral medication.
July 2019 in “Indian dermatology online journal” Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.
November 2025 in “Journal of Investigative Dermatology” IMG-007 helps regrow hair and reduce scalp inflammation in severe alopecia areata.
1 citations
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January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” A woman had a delayed allergic reaction to the blood thinner enoxaparin, treated with a steroid cream.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
1 citations
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August 2019 Anti-Desmocollin 3 antibodies can cause atypical pemphigus symptoms.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
4 citations
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May 2020 in “Journal of The American Academy of Dermatology” Cicatricial pattern hair loss is likely advanced common baldness, not a type of lichen planopilaris.
4 citations
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November 2011 in “Archives of Dermatology” Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.
April 2019 in “Journal of the Endocrine Society” Bilateral ovarian hyperthecosis is a rare but treatable cause of increased facial hair in postmenopausal women.
April 2023 in “Rossijskij žurnal kožnyh i veneričeskih boleznej” The document concludes that four related skin diseases, which often occur together, are caused by blocked hair follicles.