Your
symptoms are typical for H. pylori infection of
stomach, and you maybe even developed an
stomach or duodenal ulcer from it. Upper abdominal bloating, burping, burning sensation in upper middle stomach, hearburn...are typical symptoms.
You need a breath test for H. pylori, if positive, you get antibiotics for 2 weeks, and this is it.
SOD pains are usually on the right just under the rib cage.