My diet wasn't GREAT before this happened, to be honest. A moderate amount of fast food, but plenty of vegetables too. The "candida diet" basically cuts out any sugar/carbs/fermented food, anything that would feed an overgrowth of yeast in the gastrointestinal tract. It's kinda like Atkins on steroids. I eat plenty of white meat (mainly chicken, but some fish as well) and vegetables, both cooked and raw. I eat red meat in moderation, and drink 3 quarts to a gallon of water per day. Recently I've added in greek yogurt to the mix. I'm also currently taking Goldenseal, vitamin E, a fiber supplement, and a men's "one a day" multivitamin, to make up for what my diet is surely lacking right now.
I mentioned the frequency of my bowel movements because it's been like that for as long as I can remember. I've also read that you're "supposed" to go 2-3 times a day, but it's just never been like that for me, and I figure it would have caused problems beforehand. Also, just about everyone I know (well enough to ask about this anyway, haha) has bowel movements about as frequently as I do, and none of them have this problem, that's for sure.
As for "colonics", everything I can find about them tells me it's the same thing as an enema, additionally that there's no scientific backing for colonics/enemas actually fixing any problems like this, or really being necessary for the average person at all. If I am wrong in this, please let me know.