Gastroesophageal reflux disease is a common, recurrent disease with a high risk of complications if not detected and treated aggressively. Gastroesophageal reflux disease is classified into many levels to facilitate the diagnosis and treatment of the disease more effectively..

Heartburn, acid reflux, or gastroesophageal reflux disease (GERD) are all common digestive problems. However, distinguishing heartburn, acid reflux, and GERD can be quite difficult because they cause similar discomforts.