I've had similar issues with belching before, and it turned out I had an Ulcer (H. Pylori Infection). You can pretty quickly get a breath test done at one of t

I've had similar issues with belching before, and it turned out I had an Ulcer (H. Pylori Infection). You can pretty quickly get a breath test done at one of those cheapo lab clinics, but also after I got that test I went to a GI doc and did an endoscopy and there was some underlying acid reflux that I'm still figuring out how to handle.