Chlorhexidine and ketoconazole have great anti-fungal properties, but if you want to get a body wash for humans they charge more than double the price. The stuff for pets is the same thing without added scents or foaming agents. I used it to treat a dandruff issue. Wash your feet with it and maybe get some under your toenail with syringe (no needle).
Really pushing her into the deep end, sink-or-swim style. I just hope Pelican Town doesn’t chew her up and spit her out too hard.