TPMI, you might try Pedialyte instead of Gatorade. It's more expensive, but contains no corn syrup. It also comes in freezer pops, but avoid these if artificial sweeteners bother you, as they contain aspartame.
Moderate to severe left-sided UC (21 cm) diagnosed 2001.
Intolerant to Asacol and rectal mesalamine preparations.
On Prednisone then Entocort 2001-2006 with only short periods off.
Current meds are Colazal,
Azathioprine Remicade, Nature's Way Primadophilus Reuteri.
In remission since April, 2006. Remicade has been my wonder drug.