13 citations
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May 2012 in “Cutaneous and ocular toxicology” Alopecia areata is not linked to vitamin B12 deficiency.
October 2019 in “Turkderm” Patients with pernio have lower vitamin B12 and ferritin levels than healthy people.
7 citations
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May 2022 in “International Journal of Environmental Research and Public Health” Isotretinoin therapy for acne can cause many reversible side effects, mainly mild skin conditions, and patient understanding of these effects can improve treatment adherence.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.