January 2021 in “Clinical case studies and reports” A man had nail and hair changes months after severe Covid-19, showing long-term effects.
21 citations
,
April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
January 1939 in “Münchener medizinische Wochenschrift” 5 citations
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January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
13 citations
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August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
January 2025 in “International Journal of Dermatology Sciences” Nail changes in alopecia areata are common and may indicate severity and genetic risk.
February 2025 in “Indian Dermatology Online Journal” Pincer nails are rare in lupus patients and may be managed conservatively.
January 2026 in “Dermatology Practical & Conceptual” Nail changes are common in alopecia areata and can indicate its severity.
December 2021 in “Australasian Journal of Dermatology” Red stripes on nails and hair loss may occur after COVID-19.
November 2009 in “Medical and Surgical Dermatology” September 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” February 2009 in “Medical and surgical dermatology/Medical & surgical dermatology”
18 citations
,
March 1974 in “Acta dermato-venereologica” Chronic kidney disease can cause skin and nail problems.
6 citations
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June 2024 in “Drug Testing and Analysis” Nails could be used to check long-term drug use, but more research is needed.
58 citations
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
48 citations
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July 1992 in “International Journal of Dermatology” HIV can cause various nail and hair disorders, important for early diagnosis and treatment.
23 citations
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February 1993 in “Journal of Investigative Dermatology”
October 2023 in “CRC Press eBooks” Children with darker skin can have various hair and nail issues.
76 citations
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March 2008 in “Journal of the American Academy of Dermatology” Videodermoscopy can help diagnose and monitor nail bed psoriasis.
July 2025 in “Journal of Investigative Dermatology” Minoxidil may improve nail growth and appearance.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
April 2013 in “Journal of the American Academy of Dermatology” Diabetic patients often have ingrown nails due to obesity, high blood pressure, past injuries, bad nail trimming, nail fungus, weak foot pulse, and weak knee reflex.
2 citations
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February 2021 in “PubMed” Koilonychia in alopecia areata can improve with oral corticosteroids.
44 citations
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May 1980 in “Archives of Dermatology” "20-nail dystrophy" can have multiple causes.
February 2026 in “Journal of Clinical Medicine” Minoxidil may help nails grow faster and stronger.
1 citations
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November 2011 in “Archives of Dermatology” A woman's hair loss was caused by her husband's testosterone gel and a diabetic man's nail disease led to bone infection, both treated successfully.
1 citations
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May 2006 in “Thyroid Research and Practice” Skin can become dry and thick in hypothyroidism.
2 citations
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December 2013 in “The Journal of Dermatology” 1 citations
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January 2009 in “The Open Dermatology Journal” Chemotherapy caused nail grooves and separation, but they healed after treatment stopped.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.