Oesophagitis is a condition characterized by the inflammation of the oesophagus, causing discomfort and pain when swallowing. There are several synonyms for this condition, each indicating different aspects of the disease. Some of the commonly used synonyms of oesophagitis include acid reflux disease, gastroesophageal reflux disease (GERD), heartburn, and dysphagia. Additionally, the condition can be related to esophagopathy, which refers to any abnormality in the oesophagus, or Barrett's oesophagus, a condition associated with the risk of developing cancer. Regardless of the term used, oesophagitis can be a debilitating condition if left untreated, requiring proper diagnosis and treatment plans.