Abdominal distension, hiccups, nausea, what's going on?

Belching nausea, first of all, consider may be caused by eating too much, overeating and other factors. Secondly, also consider may be gastrointestinal diseases, such as gastrointestinal dysfunction, gastritis, etc. Suggestion: you can go to the hospital to check, and then take drugs to promote gastric motility.