Apr 23, 2025 · Acid reflux happens when the sphincter muscle at the lower end of the esophagus relaxes at the wrong time, allowing stomach acid to back up into the esophagus. This can …

Apr 23, 2025 · If stomach acid washes back into the esophagus, it can cause discomfort and may lead to precancerous changes in the lining of the esophagus.

Sep 20, 2025 · If the lower esophageal sphincter isn't working as it should, stomach acid can flow back up into the esophagus and cause heartburn. The acid reflux may be worse when you're …

Dec 7, 2023 · Heartburn or heart attack: When to worry Severe heartburn and heart attack can be hard to tell apart. Understand how they typically differ, and learn when to get immediate help. …

During an episode of acid reflux, you might feel a burning sensation in your chest. This symptom is called heartburn or acid indigestion. Most people have acid reflux once in a while. This can …

Feb 8, 2023 · Over time, the LES may begin to fail, leading to acid and chemical damage of the esophagus, a condition called gastroesophageal reflux disease (GERD). GERD is often …

Dec 12, 2024 · Heartburn, acid reflux, GERD—what’s the real difference? In this episode of Health Matters, gastroenterologist Dr. Dawn Francis breaks it down, explaining why an …

Sep 20, 2025 · Make an appointment with a healthcare professional if you often have symptoms of reflux, or if you're losing weight without trying. If you've been diagnosed with acid reflux or …

Jun 17, 2014 · ANSWER: Acid reflux happens when stomach acid flows back up into your esophagus — the tube that connects your throat to your stomach. With acid reflux, you may …

Dec 10, 2024 · These symptoms may mean that your baby has a medical issue. This issue could be an allergy, a blockage in the digestive system or gastroesophageal reflux disease, also …