blue nails
Last reviewed 11/2022
Causes include:
- side effect of anti-malarial drugs e.g. chloroquine, 5-fluorouracil and AZT (azidothymidine)
- Wilson's disease - azure colour restricted to the lunula
- result of systemically administered silver salts
Reference:
- Zaiac MN, Daniel CR. Nails in systemic disease Dermatologic Therapy 2002;15 (2); 99–106.