Color Changes of Nails

25th September’2021


Changes in nail color may result from a color change in the nail plate or in the nail bed.

EtiologyPattern of color change
BROWN NAILS
Antimalarial drugsDiffuse blue, brown
Cancer chemotherapeutic agentsTransverse black bands
HyperbilirubinemiaDiffuse brown
Junctional neviLongitudinal brown bands
MalnutritionDiffuse brown or black bands
Melanocyte stimulating hormone oversecretion
Addison’s disease
Cushing’ s disease (after adrenalectomy)
Pituitary tumor
Longitudinal brown bands
MelanomaLongitudinal bands may increase with width
(Hutchinson’s sign)
Normal finding in more than 90 % of black peopieLongitudinal brown bands
Photographic developerDiffuse brown
GREEN NAILS
PseudomonasGreen streaks and patches
YELLOW NAILS
Yellow- nails syndromeDiffuse yellow
OnycholysisDistal nail separation
BLUE NAILS (IN BLACK PEOPLE)
Zidovudine treatment for AIDSDiffuse blue
Antimalarial drugsDiffuse blue
MinocyclineDiffuse blue
Wilson diseaseDiffuse blue
HemorrhageIrregular
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Reference : Clinical dermatology by Thomas P. Habif.

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