onychomycosis. nail disease, nail and feet fungal infection. fungus on skin

dermatology leg health medicine fungal foot finger disease treatment vector toenail toe care barefoot nail onychomycosis parasite medical problem illness hygiene human podiatry mushroom skin mycosis trichophyton pedicure bacteria dermatophytes infected candida feet unhealthy microbe microorganism bacterium contagious pain sickness ugly toes diagnosis body dirty fingernail yellow