Fungal infection that most frequently affect the fingernails and toenails are caused by yeast called dermatophytes.

The symptoms are:
The nail bed is detached, yellow spots appear creamy white appearance. Over time you may see a green pigment on the result of bacterial colonization. The base of the nail becomes red and painful. You can actually appear first in a nail and then spread to others. And work in wet environments may promote chronic disease.

There are five categories:

1 .- Distal and lateral subungual onychomycosis.
Most common causes: Trichphyton rubrum, T interdigitale, T.schoenleinii, Candida albicans, C.parapsilosis, Scopulaiopsis brevicaulis and Hendersonula toruloidea.
2 .- Superficial white onychomycosis.
Most common causes: T.interdigitale, C. albicans, Acremonium and Fusarium spp.
3 .- Superficial black onychomycosis.
Most common causes: Scytalidium dimidiatum, T.rubrum.
4 .- Proximal subungual white onychomycosis.
Most common causes: T rubrum, T.megnini, T.scholeinii and E. floccosum.
5 .- Total Dystrophic Onychomycosis.

Tips and prevention

First of all maintain rigorous hygiene in order to prevent the proliferation of fungi and bacteria. Wash hands and feet at least 2 times a day and dry them properly. You should use appropriate footwear and socks to provide breathability and ventilation, and change them often avoiding excessive sweating and moisture of the feet. Perform a manicure at least once a week, this will provide adequate monitoring of nails allowing correct deformities and improve its appearance.