A physician may order tests for ZES if symptoms of a peptic ulcer accompany chronic diarrhea or if the patient has a bleeding ulcer. Blood tests, imaging scans to detect gastrinomas, and an upper GI endoscopy can diagnose Zollinger-Ellison syndrome. Measuring the amount of stomach acid in the stomach can also help doctors reach an accurate diagnosis.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.