It is very likely that you have a fungal nail infection

Mycosan Fungal Nail Treatment Kit can help you treat your fungal nail infection. However, it may not be enough to fully eradicate your infection. If oral medication is prescribed by your doctor, Mycosan can be used in conjunction to help accelerate visible results.

You can buy Mycosan at the drugstore or pharmacy.
Click here to see where you can buy Mycosan.