Welcome to connect. Although I have no clue what your son is experiencing with his stomach. I also have had stomach problems over my lifetime. It is important for you to advocate with doctors to make sure they find out what the problem is. When you see a physician, don’t let them push it off, or if you are close enough, go to Mayo. I lived with a lot of pain for a long time because I could not advocate for myself when I was younger. The situation was not resolved until I was in my 30s, and learned about the condition myself. I now advocate for others in my area.