Drug that may induce nail pigmentation - melanonychia:
Anthracyclines, taxanes, fluorouracil, psoralens, and zidovudine may induce nail pigmentation through melanocyte stimulation in nail matrix resulting in melanonychia. It appears to be reversible and dose-dependent and appears 3-8 weeks after drug intake.
Retinoids
Carbamazepine
Tetracyclines
Zidovudine
Disorders of nail