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Be ready for your next operation

At Allied Digestive Disease Center of Houston, we want you to have all the info you need for a smooth procedure. Check out some procedure preparation instructions for some of our more common operations. If you don’t see your operation listed, please don’t hesitate to get in contact with us. We’ll be more than happy to send you detailed instructions before your procedure.

Colonoscopies:

Endoscopies:

General Information:


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  • American Board of Internal Medicine
  • American Medical Association
  • American College of Gastroenterology
  • Texas Medical Association
  • Memorial Hermann Foundation
  • HCA Healthcare
  • Methodist Church
  • Howard University College of Medicine
  • American Society for Gastrointestinal Endoscopy
  • UT Health San Antonio