Sorry to hear that you're feeling ill.
Firstly, colons cleanse themselves. These colon cleansers are just a poor marketing ploy to make money and unfortunately, resulting in some people, like you, suffering from it when they are out to do what's right for their bodies.
Your body will get rid of it in time.
Either, you have an allergic reaction to the pill or you got a dodgy batch. If your body is rejecting it in that way, it doesn't see it as a benefit to retain it.
Yep, docs is a good way to go. However, in future, drink water and eat healthily (if you already do, then great). Don't believe in any of these money making gimmicks.
Hope you feel better soon.