Various cells in the stomach secrete digestive enzymes and hydrochloric acid. These substances break down food so the body can absorb nutrients. The stomach is a muscular organ in the upper abdomen ...

(CNN) -- When heartburn or ulcer pain strikes, drugs can target stomach acid to calm bellies and offer relief. But a new study suggests the medications may come with a hive-inducing side effect: ...

Bile reflux occurs when bile, a liquid that the liver makes, flows back up into the stomach or the esophagus. It may be a sign of an underlying condition or a complication of certain surgical ...

Gastroesophageal reflux disease affects millions of people who rely on prescription antacids for relief, often unaware that natural methods can provide permanent solutions without medication ...

Burning chest pain, throat irritation, a weird taste in your mouth...these are all symptoms of acid reflux. Certain foods — like greasy, spicy, fatty or acidic snacks — can trigger the condition. But ...

Heartburn, accompanied by a burning sensation in the chest or throat when swallowing, may be a symptom of gastroesophageal reflux disease (GERD), a chronic condition in which stomach acid frequently ...

Opioids are the gold standard for treatment of chronic and acute pain; however, their use may result in significant gastrointestinal side effects, including nausea, vomiting, and constipation. The ...

When your stomach lining gets irritated, inflamed or damaged, that’s gastritis. It’s a broad term that covers many conditions, all involving inflammation of the gastric mucosa—the layer inside your ...

A common form of weight-loss surgery may cut the risk of colorectal cancer by altering levels of molecules called bile acids in the blood and small intestine. The findings could lead to new treatments ...