I have a glitch where I have a Flame Thrall as an Active Effect in the magic menu permanently. I suppose at some stage I had summoned a Flame Thrall and lost it in the world. Now I can't get rid of it. The usual fix - summoning two more creatures to get rid of the previous one - isn't working. Instead of removing the already-summoned creature, it just adds two more to the list. It's not a game-killing problem, but now whenever I talk to someone they say 'Keep that thing away from me!' as if I'm about to kill them, when there's nothing nearby to make them say that.
If I was on PC, I could use the console to get rid of the effect, but on PS3 there's nothing I can do.