Can heartburn be serious?

If you only have heartburn every now and then is probably not serious. However, if you have heartburn frequently, this can lead to esophagi is (an inflamed lining of the esophagus). If esophagi is becomes severe, your esophagus might narrow and you have bleeding or trouble swallowing.

If you have heartburn more often than occasionally, it may be a symptom of acid reflux disease, gastro esophageal reflux disease , inflamed stomach lining (gastritis), hiatus hernia or peptic ulcer

medical esophagitis