4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Valproic acid can cause dark lines on nails.
January 2025 in “Indian Dermatology Online Journal” Hydroxychloroquine may cause nail discoloration in lupus patients.
2 citations
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September 2014 in “Journal of evolution of medical and dental sciences” Most HIV patients in the study showed skin and mucous membrane issues, with oral thrush being the most common.
1 citations
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September 2024 in “Journal of Oncology Pharmacy Practice” Hydroxyurea treatment unexpectedly restored hair color from gray to dark brown in an older woman.