Rubbing alcohol under the toe nail after each shower or bath.
Soak some copper coins in vinegar or lemon juice and bathe your toes in it daily for an hour or so.
U can get tho topical antifungals over the counter…no need for prescription.
bottle of jack daniels and a sharp knife
My local news channel did a special on different uses for toothpaste and one was that it can help get rid of some types of toe nail fungus. I don't know how much I believe it but if you are desperate you can try it.
Soak your feet in vinegar and black tea for 15 minutes in lukewarm water.
believe it or not my mother-in-law used diluted water with a tad bit of bleach in a spray bottle. And her toenail looks brand new. I couldn't believe she was doing it and actually told my husband she was stupid because of it. but look who's laughing now.