I have had severe stomach pain after eating since I was 5 years old. Given advice from different doctors, like change my diet, or it's probably nerves, eat at different times, hasn't helped my pain. Now at the age of 18, I finally went through a series of tests. Through a breath test I was diagnosed as being Fructose Intolerant. The thing is, everything I eat doubles me over with pain. Does anyone else have this issue? I'm so tired of hurting.