Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
2 citations
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May 2011 in “International Journal of Dermatology” A 12-year-old boy in rural south India had a rare skin condition causing hair loss and inability to sweat.
12 citations
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January 1984 in “Anesthesia & Analgesia” Anesthesia and surgery can cause temporary hair loss, but hair usually grows back without treatment.
1 citations
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January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
30 citations
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May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.
July 2025 in “The Korean Journal of Internal Medicine” Certain immune responses may cause ongoing COVID-19 symptoms like fatigue and brain fog.
October 2025 in “The American Journal of Gastroenterology” Infliximab can cause SAPHO syndrome, which may improve with Spesolimab and methotrexate.
48 citations
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February 1998 in “British Journal of Dermatology” Thallium poisoning can cause severe neurological symptoms and hair loss.
1 citations
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December 2025 in “Diagnostics” Stopping zolpidem improved hair loss caused by self-inflicted scalp injuries during sleep.
19 citations
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March 2013 in “Journal of Cutaneous Pathology” The study found unique skin changes in a rare type of alopecia linked to a skin condition called linear morphea.
November 2023 in “Circulation” Minoxidil can cause a rare but serious condition that leads to fluid buildup around the heart and drug-induced lupus.
A man had temporary hair loss after a spinal cord injury, with some permanent thinning remaining.
January 1978 in “Clin-Alert” A document listed serious side effects from various drugs, including deaths and diseases, emphasizing the importance of being aware of drug side effects.
May 2025 in “Cermin Dunia Kedokteran” Leukokoria can signal Coats disease or other retinal issues, requiring early detection to prevent severe outcomes.
January 2018 in “Acta dermato-venereologica” 3 citations
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February 2022 in “Canadian Medical Association Journal” Severe hypothyroidism can cause eyebrow hair loss, but improves with thyroid hormone treatment.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
April 2024 in “African Journal of Biological Sciences” The patient with lupus and Degos' disease showed significant improvement with treatment.
1 citations
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June 2019 in “Oral diseases”
6 citations
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February 2017 in “Case Reports in Dermatology” Hair loss led to the diagnosis of Cushing's disease in a patient, showing that hair loss can be a sign of hormonal disorders.
5 citations
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January 2016 in “European Journal of Dermatology” Suplatast tosilate successfully treated a woman's systemic sclerosis symptoms.
October 2024 in “Medicine” Cronkhite-Canada syndrome is rare, has a poor prognosis, and requires early diagnosis and ongoing treatment.
September 2025 in “Case Reports in Ophthalmology” Short-term use of topical minoxidil can cause eye issues, but stopping it can resolve the problem.
June 2017 in “Acta Scientiae Veterinariae” A cat with a rare pancreatic tumor and diabetes died despite treatment, showing similar symptoms to a human condition.
1 citations
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January 2025 in “World Journal of Emergency Medicine” Minoxidil can cause unexpected heart problems like chest pain.
15 citations
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October 1981 in “Archives of internal medicine” Minoxidil can cause severe skin reactions like Stevens-Johnson syndrome in rare cases.
13 citations
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October 2016 in “Journal of Clinical Neuroscience” Thallium poisoning can cause worsening nerve damage and vision loss without typical symptoms.
36 citations
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June 2009 in “Archives of Dermatology” Marie Antoinette syndrome causes sudden hair whitening, but its exact cause is unknown.
September 2007 in “The American Journal of Gastroenterology” Cronkhite-Canada syndrome causes chronic diarrhea and has a poor prognosis despite treatment.
March 2024 in “Indian Journal of Dermatology” The man was diagnosed with Cronkhite-Canada syndrome, a rare disorder with GI polyps, skin issues, hair loss, and nail problems.