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Nopadon Noppakun, MD; Daratana Swasdikul, MD

Arch Dermatol. 1986;122(8):896-899.

Abstract
• A case of reversible generalized hyperpigmentation of the skin and nails with reversible premature gray hair due to vitamin B₁₂ deficiency is reported. The cause of the vitamin B₁₂ deficiency in this patient was pernicious anemia. The pigmentation of his skin and hair returned to normal after treatment with intramuscular cyanocobalamin.

(Arch Dermatol 1986;122:896-899)

Author Affiliations
From the Division of Dermatology (Dr Noppakun) and the Division of Hematology (Dr Swasdikul), Department of Medicine, Chulalongkorn Hospital Medical School, Bangkok, Thailand.

Footnotes
Accepted for publication Feb 21, 1986.

Reprints not available.

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