Nail fungus, also called onychomycosis, is a common condition estimated to affect up to 10% of the population worldwide. It can cause nails to become yellow or discolored. As the infection advances the nail can become thick, brittle and separate from the nail bed. It can also cause pain when wearing shoes or walking. This article provides information about the causes of nail infections and available treatment options. The benefits, disadvantages and risk of each treatment is discussed. You should discuss your medical condition and treatment with your doctor.
Dermatophytes are the fungi most commonly responsible for causing this condition. They are specialized organisms that live off of keratin which is the main component of nails and skin. The most common fungi that cause nail infection disease are Trichophyton rubrum, Trichophyton mentagrophytes, and Candida albicans. Everyone is at risk for infection because fungus is present everywhere in the environment.