Fungal infections of the nails: Do over-the-counter products work?

Fungal infections of the nails (onychomycosis) typically do not get better with over-the-counter products. These products are generally effective in only a small percentage of people who use them.

The first step in approaching abnormal toenails is determining the cause of the problem.  Only about half of the time are toenail abnormalities a result of a nail fungal infection. 

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