Indigestion centers on recurrent upper-abdominal discomfort. Common features include: Vague pain, burning, or bloating in the epigastrium or left upper quadrant, starting within 1 h after meals or sometimes worsening when the stomach is empty Early satiety: feeling full after only a few bites, preventing completion of a normal meal Post-prandial fullness: bloating persists >1 h after eating and is scarcely relieved by belching or position change Epigastric distension and belching: a subjective sense of abdominal swelling with frequent sour-tasting eructations Nausea or occasional retching; vomitus is usually gastric content without bile or blood Upper epigastric heat: a heartburn-like sensation... Learn more