Definition of Esophagitis:
Esophagitis is a general term for any inflammation, irritation, or swelling of the esophagus, the tube that leads from the back of the mouth to the stomach.
Causes, incidence, and risk factors:
Esophagitis is frequently caused by the backflow of acid-containing fluid from the stomach to the esophagus (gastroesophageal reflux). You have a higher risk for esophagitis if you have had excessive vomiting, surgery or radiation to the chest (such as in lung cancer), or if you take medications such as aspirin, ibuprofen, potassium, alendronate, and doxycycline.
Persons with weakened immune systems due to HIV and certain medications (such as corticosteroids) may develop infections that lead to esophagitis. Esophageal infection may be due to viruses such as herpes or cytomegalovirus, and fungi or yeast (especially Candida infections).
The infection or irritation may cause the tissues to become inflamed and occasionally form ulcers. You may have difficulty when swallowing and a burning sensation in the esophagus.
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