TMI bad foot infection... help

this has been going on for def more than 6 months, but it’s already hard enough to take care of myself as it is with depression. i finally decided i need to take care of this. i’m pretty sure i have athletes foot or some kind of foot infection, my feet are dry & blistered & itchy & my toenails are starting to flake. :( it’s really bad... how can i cure it? do i absolutely /need/ to go to a doctor, or are there at-home remedies? what have you ladies done in the past when you have had a foot infection?