One inhibits squalene epoxidase and the other inhibits 14α-demethylase!
Like, duh!
Your girlfriend develops a yeast infection and gets some medicine. You get a little bit of an itchy scrotum and are new to jock itch. Don't think you're clever when you notice that your girlfriend's medicine is the same chemical as your athlete's foot medicine spray. The spray WILL cause your scrotum to swell, and you WILL lose some skin.