<unk>  is commonly<unk>  by gastroesophageal reflux disease (GERD) or adverse reactions to various food and drugs, causing esophagitis. 
Life threatening<unk>  of<unk>  are far less common and include acute coronary syndromes and esophageal cancer.
Heartburn causes
Cough causes
Dysphagia causes
Esophagitis causes
Trench mouth causes
Anaphylaxis causes
Stomach cancer causes
Chest pain causes