I have suffered with terrible IBS. I am only 34 and if I go out for the day I was unable to eat anything as I had to be immediately close to a bathroom. I had all the tests and was told I had IBS. I explained to my consultant that it was since having my gall bladder out and this was ignored.
I actually have something called Bile Acid Malabsorption. My dad saw it on telly and told me about it. I looked into it and BMA say up to 1 in 3 with diagnosed IBS actually have this condition.
I spoke to my GP and we test the theory out by taking the treatment of colestyramine. I take 2 sachets a day in ornage juice and I am now more or less fine. I can eat whenever I want and whatever I want with very minor and rare consequences.
Gall bladder removel is just one cause. I HIGHLY recommend everyone look into this and if it sounds like you see your doctor asap. The difference it will make if this is you will be incredible. I feel free