28 citations
,
January 2012 in “Case Reports in Medicine” Hair-thread Tourniquet Syndrome, where hair or thread tightly wraps around a body part, is not rare and requires early detection to prevent serious damage.
21 citations
,
August 1987 in “Archives of Dermatology” High-dose methotrexate can cause severe skin and nail issues.
34 citations
,
April 1982 in “BMJ” 10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
22 citations
,
October 2007 in “Journal of Investigative Dermatology” Stem cells in mouse nails are found in the nail matrix and may control nail growth.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
8 citations
,
October 1993 in “International Journal of Dermatology” The man's scalp infection was treated successfully, and his hair grew back.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
February 1988 in “Journal of the American Academy of Dermatology” April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
65 citations
,
April 2000 in “The Laryngoscope” Clotrimazole, miconazole, and tolnaftate are likely safe, but gentian violet is risky.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
47 citations
,
November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
5 citations
,
November 2012 in “Actas Dermo-Sifiliográficas” Comma hairs are a new sign for identifying scalp fungal infections.
October 2012 in “CRC Press eBooks” HIV can cause hair loss and changes in nails, which may indicate disease progression.
March 2024 in “Clinical Case Reports” Early detection of tinea capitis is possible by spotting specific hair patterns like comma or corkscrew hairs.
March 2025 in “International Journal of Trichology” Trichodaganomania involves biting one's hair and needs combined psychological and medical treatment.
March 2023 in “Reactions Weekly” 79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
2 citations
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November 1955 in “Archives of dermatology” Cortisone and ACTH didn't help her hair or nails, but her hair grew back on its own.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.
July 2024 in “Journal of Dermatological Treatment” Botanical extracts and Minoxidil improved hair condition in a boy with a genetic disorder.
68 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
16 citations
,
March 2024 in “PubMed” Onychomycosis treatment needs personalized, ethical decisions considering patient needs and costs.
February 2009 in “Springer eBooks” Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
2 citations
,
January 2017 in “Indian dermatology online journal” A woman had a rare infection of both white piedra and head lice, which improved after 10 weeks of antifungal treatment.
October 1976 in “BMJ. British medical journal” January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
18 citations
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January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.