​Differential diagnosis of gastroesophageal reflux disease

​Differential diagnosis of gastroesophageal reflux disease
-Zollinger Ellison Syndrome 
-radiation esophagitis 
-esophageal motility disorders such as achalasia, esophageal spasm, scleroderma
-pill induced esophagitis 
-infectious esophagitis such as Candidia, herpes simplex virus, cytomegalovirus 
-angina pectoris 
-peptic ulcer disease
-gastritis 
-non ulcer dyspepsia 
-cholethiasis