What is a fungal nail infection? A fungal nail infection, or onychomycosis, is when the hard material that makes up the nail (keratin) is infected by fungi – normally dermatophyte fungi. The infection can affect any part of the nail
What is a fungal nail infection? A fungal nail infection, or onychomycosis, is when the hard material that makes up the nail (keratin) is infected by fungi – normally dermatophyte fungi. The infection can affect any part of the nail