Table 1.

Functional dyspepsia subtypes.

A. Postprandial Distress Syndrome

Diagnostic criteria* must include one or both of the following: Bothersome postprandial fullness, occurring after ordinary-sized meals, at least several times per week Early satiety that prevents finishing a regular meal, at least several times per week

Supportive criteria Upper abdominal bloating or postprandial nausea or excessive belching can be present Epigastric pain syndrome may coexist

B. Epigastric Pain Syndrome

Diagnostic criteria* must include all of the following: Pain or burning localized to the epigastrium of at least moderate severity, at least once per week The pain is intermittent Not generalized or localized to other abdominal or chest regions Not relieved by defecation or passage of flatus Not fulfilling criteria for gallbladder and sphincter of Oddi (26) disorders

Supportive criteria The pain may be of a burning quality, but without a retrosternal component The pain is commonly induced or relieved by ingestion of a meal, but may occur while fasting Postprandial distress syndrome may coexist

* Criteria fulfilled for the last 3 months with symptom onset at least 6 months prior to diagnosis