Acid reflux if your upper belly feels uncomfortably bloated, especially after eating, or you feel overly full or nauseated after a normal meal, acid reflux could be the cause burping excessively. Acid reflux upper abdominal bloating. Abdominal bloating occurs when the abdomen fills with air or gas this may cause the area to appear larger or swollen the abdomen may also feel hard or tight to the touch it can cause discomfort.
acid reflux upper abdominal bloating
