Dyspepsia is defined as an epigastric pain or discomfort thought to originate in the upper gastrointestinal (GI) tract. There is discussion, especially in uninvestigated patients, about whether ...

Functional dyspepsia or nonulcer dyspepsia, and nonerosive reflux disease (NERD) or endoscopy-negative reflux disease, are common reasons for referral to a gastroenterologist. Although there is ...