What is heartburn actually?

Acid reflux: We get heartburn when we feel sour or acid coming up our esophagus . Sometime it is related to something we eat or if we have acid reflux.

Heartburn: Heartburn occurs when acid from stomach refluxs or splashes up into the esophagus (and sometimes the mouth or throat). Heartburn symptoms: Burning pain that may be felt in chest, abdomen or throat that may last minutes to hours. Pain can ^ right after eating, lying down or bending over. It may feel like food is stuck in the throat or chest & swallowing may be more difficult. Bitter/ sour/