http://www.erasetoenailfungus.com/ Nail fungus whether it is on your toenails or your fingernails finger nails is an undesirable situation to have to deal with. Officially referred to as onychomcosis, it is most frequently triggered by moisture caught in a warm dark place. As a result it is more typical on toenails because of shoes where the environment can be right for nail fungi to grow. In many cases nail fungi can be triggered by mold or yeast. Without treatment, toe nail fungus can go on indefinitely.