**2. Current definition of Functional Dyspepsia**

According to Rome III criteria, FD must include one or more of the following symptoms: bothersome postprandial fullness, early satiation, epigastric pain and epigastric burning; with no evidence of structural disease, including use of upper gastrointestinal endoscopy, which is likely to explain the symptoms. Criteria should be fulfilled for at least 3 months with symptom onset at least 6 months previously [1].

Older terms that represent FD are non-ulcer dyspepsia, idiopathic or essential dyspepsia. The term non ulcer dyspepsia is still popular but no longer recommended because it implies that the patient has symptoms similar to peptic ulcer disease without having an actual ulcer on endoscopic examination. The spectrum of symptoms in FD includes epigastric pain syndrome and postprandial distress syndrome

At least 3 months, with onset at least 6 months previously, of one or more of the following:


#### AND

No evidence of structural disease (including upper endoscopy) that is likely to explain the symptoms.

**Table 1.** Rome III diagnostic criteria for functional dyspepsia [1]

<sup>•</sup> bothersome postprandial fullness
