Please read the information on this site www.drugs.com/cdi/senokot.html
I'm not a medical professional by any means, but a reaction like that seems like you may either be allergic to one of the ingredients in the Senakot, or that perhaps Senakot is not the type of laxative people like you and me should be taking.
The link I sent you tells how the laxative works, which is by "irritating bowel tissues" in order to cause a bowel movement. I think that the fact that you already have an irritative bowel condition may have backfired on you.
When I am in emergency situations, I take Dulcolax. It works for me, but I think you should consult your doctor before any changes.
Best of luck.
| current weight: 127.8