5 citations
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January 1970 in “Journal of Nepal Paediatric Society” Hair loss can be a key sign of a rare type of rickets when vitamin D treatment doesn't work and advanced tests aren't available.
March 2013 in “International Society of Hair Restoration Surgery” Biotin may not effectively promote hair growth.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
January 2023 in “Revista Paulista de Pediatria” A Brazilian male with IFAP syndrome has a unique genetic variant causing his condition.
2 citations
,
July 2013 in “Journal of Life Sciences” A 2-year-old girl with a rare vitamin D disorder had rickets and hair loss, but treatment was ineffective due to poor compliance.
January 2025 in “JCEM Case Reports” Enzyme replacement therapy may help alleviate symptoms in complex cases like this.
December 2025 in “International Journal of Dermatology” Björnstad syndrome can cause hair loss similar to androgenetic alopecia, and treatment with baricitinib and minoxidil may help.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
1 citations
,
April 2016 in “British Journal of Dermatology” Buschke-Ollendorff syndrome is a rare genetic disorder causing skin and bone changes, with some cases also showing ADHD or developmental delays.
4 citations
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April 1978 in “PubMed” Netherton syndrome in a boy caused skin and hair issues, and treatment didn't work.
170 citations
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May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
January 2023 in “Indian dermatology online journal” A child with trichothiodystrophy also had autoimmune thyroiditis and anemia, which is a new finding.
July 2023 in “Developmental medicine and child neurology/Developmental medicine & child neurology” DFMO treatment improves hair growth, muscle tone, and development in Bachmann-Bupp syndrome patients.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
August 2025 in “Biomedicines” Half-siblings with a rare skin condition improved with treatment for a fungal infection, but hair loss remained.
16 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
January 1999 in “American Journal of Medical Genetics Part A” The report expanded knowledge of MBTPS1-related disorders by identifying new symptoms.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
51 citations
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January 1997 in “PubMed” GABEB is a less severe skin condition caused by a gene mutation affecting collagen, leading to blisters and other symptoms.
February 2019 in “Neoreviews” The infant with a urea cycle disorder improved with treatment and a liver transplant.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A patient with a PLEC mutation has epidermolysis bullosa, muscular dystrophy, and myasthenia gravis, which improved with steroid treatment.
11 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
January 2024 in “Clinical, cosmetic and investigational dermatology” A child with a rare vitamin D-resistant condition improved with treatment.
4 citations
,
December 1995 in “Archives of Dermatological Research” 6 citations
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October 1980 in “Archives of Dermatology” Vitamin deficiencies, especially biotin and vitamin D, can cause hair loss.
110 citations
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November 1984 in “The American Journal of Medicine” A genetic defect in vitamin D receptors causes severe rickets and hair loss in children, but some heal as they age.
October 2020 in “The American journal of gastroenterology” Para-aminobenzoic acid in hair supplements can cause autoimmune hepatitis.
31 citations
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September 2003 in “International Journal of Dermatology” Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.
77 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
57 citations
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August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.