What are fungal nails?

Onychomycosis is a fungal infection of the nail which often causes thickening and discoloration of the nail plate. Often callus (dead skin) is broken down and builds up beneath the nail plate. Sometimes the nail will even change shape. Of all fungal infections that occur on the body, nail infections are one of the most difficult to prevent and treat.

What causes it?

Onychomycosis is caused by an overgrowth of fungi which have a tendency to thrive and grow in all warm, moist places. The fungus usually commences growth at the end of the nail plate and continues to spread under the nail. Sometimes chalky, white plaques form on the nail surface and as the infection progresses yellowish, brownish discoloration may be seen. Cell damage by the fungus to the base of the nail can cause the nail to thicken and change shape.