I'm worried because I've noticed these black lines under my nails that run from the tip to the end. I heard it could be a type of skin cancer. If I decide to get it removed, will that treat it? I'm also curious about my chances of recovery. The lines are not very dark, more like a light black. How much would a nail biopsy typically cost, and are there any foods I should steer clear of? What might be causing these lines, and what's the best way for me to go about getting treatment?

Answered by 1 Apollo Doctors

Dr Ranjith Darla

General Practitioner

MBBS
3+ Yrs

Consult Now

Don't worry, having black lines beneath your nails doesn't necessarily mean you have skin cancer. In Indians and people with darker skin tones, these lines are quite common and usually harmless . However, it's always best to get a professional opinion to rule out any underlying conditions.

Dr. Ranjith Suggests...

Consult a Dermatologist

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Answered 04/07/2025

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Don't worry, having black lines beneath your nails doesn't necessarily mean you have skin cancer. In Indians and people with darker skin tones, these lines are quite common and usually harmless . However, it's always best to get a professional opinion to rule out any underlying conditions.

More Dermatology Health Queries

Can I use RetinA micro gel 0.04 on the skin of my penis to treat small pimples or these Fordyce spots? I'm really curious to know if it's safe and effective.

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