I, too, don't think you are taking enough Colazal to get a flare under control. I think most people take 9 a day to get things under control and then try to move to a lower dose once they are out of the flare. Also, add Rowasa to your regimen.
left-sided UC since 11/05
Rowasa, Colazal, Calcium, Centrum
Natren Healthy Trinity Probiotics