Cut the gatoraid right out and use pedialyte for your electrolytes to be replenished from so much D...cut all sugar out of your diet, cut back on all dairy during this terrible flare (you might want to consider keeping those things cut out of your diet indefinitely), avoid processed foods, drink home-made smoothies with yogurt (the exception of dairy because of it having good bacteria cultures in it), banana and a touch of pure juice with no sugars added.
Add a good probiotic daily (besides the yogurt) I use primadophilus Reuteri by natures way, it has guaranteed intestinal release and it's affordable but must be kept in the fridge.
Also add a fibre supplement to bulk up your stools, this will not make you constipated so don't worry, I use Prodiem (similar to metamucil) daily for the last 4ish yrs since my GI recommended it to me, he told me to take it daily for the rest of my life, it's helped tons.
Avoid processed foods, refined/processed sugar, fast-foods, animal fat (butter and such), caffeine, use extra virgine olive oil instead of butter and Stevia and/or honey as a sweetner. Start drinking chamomile tea daily.
Avoid sugar substitues, artificial sweetners especially sugar alcohols, anything ending with "tol", like sorbitol, malitol, ect.