Has anyone developed digestion problems?

18months Post op. RNY. Having problems with gas, bloating, pain for 6mo.  Had every kind of test. All normal. GI dr. Gave me the FODMAP diet to follow, I feel better, but it really sucks! Anyone have a simuilar experience?

I have the same problem I am 8 years out and was diagnosed just last year I was told I have IB which is different from IBS apparently i don't have the syndrome just irritable bowls i was prescribed medication for it but the problem i have is it says to take as needed 1/2 hour before I eat now some foods are worse than others and I don't know if I need it till after I eat in which case it is to late to take it. so I asked my doctor and she said to take it before every meal for 30 days to see what happens i have now been taking it for 2 weeks and OMG what a difference no gas no bloating and no stomach pain.