Can athlete's foot lead to nail fungus infection? I have athlete's foot now and using treatment twice a day. My biggest fear is that it will cause ugly nail fungus. Is this possible or is that something completely different? .

Athlete's foot/nail . The most common organism in athlete's foot is also the same because of nail fungus. It is very important that treatment begin as soon as possible to prevent the spread of the fungus to the nails. Nail fungus is much more difficult to treat.
Yes, . Yes, toenail fungus is caused by the same type of fungus as athlete's foot so treating your skin infection is important to prevent spread to your nails.