3 citations
,
October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.
5 citations
,
August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
1 citations
,
May 2007 in “PubMed” Early diagnosis and treatment of haemochromatosis are crucial for reversing organ damage and improving fertility.
A genetic mutation in the CDH3 gene causes hair loss and vision problems in a young Saudi girl.
17 citations
,
January 2010 in “Acta Dermato Venereologica” EGFR inhibitors can cause yellowish skin eruptions.
January 2013 in “Journal of dermatology” A new medical syndrome may include skin changes, hair loss, sweating issues, bone malformations, leg swelling, and low cortisol.
6 citations
,
January 2014 in “Pediatric annals” A 21-day-old baby had a skin rash that didn't improve with cream and wasn't caused by a fungus.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
15 citations
,
July 2004 in “AIDS” Indinavir therapy can cause reversible skin, hair, and nail darkening.
1 citations
,
January 2014 in “The Journal of Dermatology” A patient with Ivemark syndrome developed mixed type vitiligo after a hepatitis C infection, showing different treatment responses and immune cell involvement in the skin.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
4 citations
,
January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
21 citations
,
January 2014 in “International Journal of Trichology” The study concluded that yellow dots are a common and useful sign for diagnosing alopecia areata in dark-skinned individuals and may indicate the severity of the condition.
June 2024 in “Indian Journal of Veterinary Medicine” The young goat had anaplasmosis and copper deficiency.
May 2002 in “British Journal of Dermatology” A pregnant woman's skin condition improved after giving birth, possibly due to high estrogen levels during pregnancy.
January 2022 in “Clinical Cases in Dermatology” A man developed a unique rash on his neck after taking niacinamide, and doctors recommend considering niacinamide as a cause for similar rashes and using dermatoscopy for diagnosis.
4 citations
,
March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
30 citations
,
August 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A specific gene mutation causes hair loss and potential eye issues, even if vision seems normal.
20 citations
,
December 2006 in “Archives of dermatology”
1 citations
,
December 2023 in “Curēus” Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
3 citations
,
August 2005 in “Journal of Pediatric Gastroenterology and Nutrition” The toddler's health issues were caused by too much vitamin A from supplements.
2 citations
,
July 2018 in “Our Dermatology Online” Calcipotriol cream reduced skin thickening and itching in a rare nipple condition.
September 2021 in “Pediatrics in review” A baby with KID syndrome died from infections and organ failure at 18 months old.
13 citations
,
October 2000 in “International Journal of Dermatology” A 6-year-old boy in India was diagnosed with Bloom's syndrome, showing growth and developmental issues, and skin problems worsened by sunlight.
1 citations
,
January 1986 in “PubMed” The boy's symptoms suggest a possible new medical condition.
5 citations
,
January 2017 in “Arquivos Brasileiros de Oftalmologia” A rare genetic disorder causes sparse hair and vision loss due to a CDH3 gene mutation.