5 doctors weighed in:
Why are there cracks and ridges on toenails?
5 doctors weighed in

2 doctors agree
In brief: Fungus
You may have the start of a fungus infection.

In brief: Fungus
You may have the start of a fungus infection.
Dr. Steven Frydman
Dr. Steven Frydman
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1 doctor agrees
In brief: Nail disease
This can be caused by microtrauma or nutritional problems.

In brief: Nail disease
This can be caused by microtrauma or nutritional problems.
Dr. Raymond Stolarski
Dr. Raymond Stolarski
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Dr. Christopher Crosby
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