Acid reflux is when acid from inside your stomach flows up into your esophagus and throat. At the entrance to your stomach is a valve, a ring of muscle called the lower esophageal sphincter (LES).

Acid reflux is when stomach acid flows into the esophagus and mouth, causing heartburn. GERD is a chronic form of acid reflux, and it can lead to serious health problems if untreated. Triggers of GERD ...

Acid reflux at night can be triggered by lying flat, which reduces the effect of gravity in moving food and acids through the digestive system. Treatments include over-the-counter medications, ...

You've just enjoyed a great meal, maybe with a few drinks. Suddenly your throat is on fire, there's a bad taste in your mouth, and you've got heartburn. This is known as acid reflux, and is one of the ...

So you're feeling that uncomfortable burning sensation in your chest. Your mouth tastes bitter or sour. The back of your throat is burning. While the occasional heartburn episode usually isn't an ...