Celiac Disease Health Video

Celiac disease is an autoimmune disorder marked by an allergy to gluten from wheat, oat, or barley. Learn about the symptoms and treatments for celiac disease in this free health video.

Take Action

  • Avoid wheat gluten, oat & barley
  • Adjust diet to avoid allergic reactions
  • Consult a doctor or nutritionist

About this Author

Dr. Sewell joined On Call Medical Group after serving as the Medical Director of the Samaritan House in San Mateo. Dr. Sewell continues his community service and out reach work by acting locally. Dr. Sewell strives to provide the most comprehensive, personalized, and convenient medical care possible. He is dedicated to meeting each patient's individual needs and health care goals. Dr. Sewell has served the San Francisco Bay area as a house call doctor, he spends time with his patients to get to the root cause of their issues and concerns. He has worked with the elderly and continues in Internal Medicine with adult patients. Dr. Sewell's educational background includes Duke University BSE Biomedical/Electrical engineering; Georgetown University Masters in Biophysics and Physiology; Virginia Commonwealth University MD degree; California Pacific Medical Center, San Francisco, Internal medicine internship and residency. Dr. Sewell is versed in Spanish and is an expert in the field of Travel Medicine.

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