Friends: they're supposed to make your life better, right? But sometimes we accidentally get caught up in an all-too-toxic relationship that only brings stress, sadness and an overwhelming desire to gouge our eyeballs out with a q-tip. Sure, friendships aren't always going to be about scented candles, wacky photoshoots, and color-coordinated outfits (we see you, "Sex and the City" ladies), but nor should they be as uncomfortable as a yeast infection.
After the jump, the five kinds of frenemies you need to ditch pronto. And tell us about the worst friend you've ever had in the comments.