48 citations
,
February 1998 in “British Journal of Dermatology” Thallium poisoning can cause severe neurological symptoms and hair loss.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
3 citations
,
February 2016 in “Dermatologic Therapy” Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
January 2025 in “International Journal of Dermatology” Tofacitinib improved hair and nail conditions in a teen with alopecia areata.
March 2025 in “The Open Dermatology Journal” Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.
September 2001 in “Swiss Medical Forum ‒ Schweizerisches Medizin-Forum” January 1991 in “Linchuang pifuke zazhi” September 2024 in “Journal of the American Academy of Dermatology”
February 2026 in “Clinical Drug Investigation” Baricitinib significantly improves nail and hair symptoms in severe alopecia areata.
3 citations
,
January 2002 in “Actas Dermo-Sifiliográficas” Excessive minoxidil use can damage hair structure.
October 2019 in “UNESP Institutional Repository (São Paulo State University)” Minoxidil is more effective than biotin for increasing nail growth rate.
The woman was diagnosed with lichen sclerosus, a rare skin condition, after initial misdiagnosis and ineffective treatments.
2 citations
,
May 2024 in “International Journal of Dermatology”
December 2016 in “Journal of evolution of medical and dental sciences” Skin problems are common in thyroid disorders, with dry skin in hypothyroidism and warm, soft skin in hyperthyroidism.
21 citations
,
August 1987 in “Archives of Dermatology” High-dose methotrexate can cause severe skin and nail issues.
15 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Oral minoxidil can increase or maintain hair thickness in most people with lichen planopilaris, with mild side effects.
104 citations
,
August 2008 in “Clinics in Dermatology” Treating psoriasis on the scalp, nails, and skin folds is challenging, often requiring systemic treatments for severe cases, with some success in topical and biologic treatments.
33 citations
,
December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
June 2026 in “Case Reports in Dermatology” Dupilumab improved hair and skin in a woman with Netherton syndrome.
2 citations
,
January 2019 in “Elsevier eBooks” Biotin supplements are unnecessary for most people but may help with certain conditions like biotin deficiency, brittle nails, and some hair loss.
4 citations
,
July 2013 in “Journal of dermatology” Malnutrition can cause unusual eyelash growth and hair loss.
13 citations
,
September 1989 in “International Journal of Dermatology” Carbamazepine may cause reversible nail detachment.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
3 citations
,
October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
41 citations
,
December 2015 in “JAMA Dermatology” Tofacitinib citrate improved nail dystrophy and pain in patients with alopecia universalis without causing side effects.
15 citations
,
October 2016 in “Journal of dermatological treatment” Proper hair care can prevent and stop hair breakage in people with acquired trichorrhexis nodosa.