I've noticed some black lines appearing on a few of my fingernails over the past few months, and now they're on about two or three fingers. I'm pretty worried and curious about what this might mean. Can you shed some light on what could be causing these lines and how I might be able to treat them? I'd really appreciate any advice you can give.

Answered by 1 Apollo Doctors

Dr Mubarak Parveez B

General Practitioner

MBBS
2+ Yrs

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Answered 25/07/2025

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