Fluconazole
"While in Costa Rica an ichy skin condition that was developing for some time and which I did not know was fungus got worse. Went into a pharmacy and was recommended fluconizole. Within an hour the itchiness started to subside. By the next day there was visible improvement. By the end of the first week chronic Athlete's foot was mostly healed, as was jock itch. Got back to the states saw my doc, told him I wanted to continue with it to treat the nail fungus. He suggested a different drug. After a month I stopped seeing improvement. Switched back to fluconizole. 8 years later I have never gotten athletes foot again and I had it most of my life between two particular toes. It is as if I am permanently inoculated against fungus."