Toenail fungus can be embarrassing, annoying and even painful. A fungal infection of the toenails are caused by dermatophytes, yeast, and molds. Fungal toenails affects many people and all ages. Causes: Toenail fungus (Onychomycosis) can begin from an infection of the skin called tinea pedis or “athlete’s foot”, which then incorporates under the nail causing a change in appearance. Fungus can also incorporated into the nail bed due to trauma, excessive friction or rubbing of