Another thing to note is that you can get flares from things other than eating the wrong foods; I don't know if either of these apply to you right now, but getting injured or catching a flu-like illness can stir up your immune system too. For instance, there was a recent thread about trying to kill a flare caused by injury
https://www.kickas.org/ubbthreads/ubbthreads.php?ubb=showflat&Number=378668