How is esophagitis diagnosed?

Once your doctor has performed a thorough physical examination and reviewed your medical history, there are several tests that can be used to diagnose esophagitis. These include:

  • Endoscopy: A long, flexible lighted tube called an endoscope is used to look at the esophagus.
  • Biopsy: A small sample of the esophageal tissue is removed and sent to a laboratory to be examined under a microscope.
  • Barium X-ray: X-rays are taken of the esophagus after the patient drinks a barium solution. Barium coats the lining of the esophagus and is visible on X-ray. This enables doctors to view abnormalities of the esophagus.

Last reviewed by a Cleveland Clinic medical professional on 03/06/2019.

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