Dyspepsia subgroups based on the predominant or most bothersome symptoms, according to the Rome II working team20
| • Ulcer-like dyspepsia |
| Pain centred in the upper abdomen is the predominant (most bothersome) symptom |
| • Dysmotility-like dyspepsia |
| An unpleasant or troublesome non-painful sensation (discomfort) centred in the upper abdomen is the predominant symptom; this sensation may be characterised by or associated with upper abdominal fullness, early satiety, bloating, belching, or nausea |
| • Unspecified dyspepsia |
| Cannot be classified as above |