What is acid reflux?
What is GERD?
Are they the same as heartburn?
Get the basics about acid reflux, heartburn, and GERD.
Technically, heartburn is the symptom you feel when acid splashes up and out of the stomach. “Heartburn” is sometimes used interchangeably with “acid reflux.”
Acid reflux is when stomach acid splashes up from the stomach into the esophagus. Find out more about acid reflux disease, including symptoms, causes, diagnosis, treatments, and helpful diet and lifestyle tips.
GERD (gastroesophageal reflux disease) is severe or chronic acid reflux that can lead to complications, such as cancer.