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What is it when most toenails on one foot are like a dark color and not dark colors on the other foot? There is no pain or anything. They turn dark.

1 doctor weighed in
Dr. Hunter Handsfield
Internal Medicine - Infectious Disease

In brief: Onychomycosis?

If the involved tonails also are thickened and rough, probably it is onychomycosis, a fungal infection.
It's usually harmless, but sometimes can lead to secondary bacterial infections; and as you have seen, it's unsightly. Treatment is available but expensive -- in the US, not covered by many health insurance policies. See your doctor for diagnosis and advice.

In brief: Onychomycosis?

If the involved tonails also are thickened and rough, probably it is onychomycosis, a fungal infection.
It's usually harmless, but sometimes can lead to secondary bacterial infections; and as you have seen, it's unsightly. Treatment is available but expensive -- in the US, not covered by many health insurance policies. See your doctor for diagnosis and advice.
Dr. Hunter Handsfield
Dr. Hunter Handsfield
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