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Weight Regain
What Happens If You Gain Weight After Bariatric Surgery?
Understanding the causes of weight regain and the steps you can take to get back on track.

Experiencing weight regain after bariatric surgery can be incredibly discouraging, bringing up feelings of guilt or failure. However, it is a common challenge, and it's important to understand that you have options and resources to get back on track.
Understanding the Causes
Weight regain typically occurs a few years post-surgery and can stem from several factors:
- Behavioral Changes: Slipping back into old habits, such as grazing, consuming liquid calories, or prioritizing carbohydrates over protein.
- Anatomical Changes: Over time, the stomach pouch or the stoma (the connection between the stomach and intestine) can stretch, allowing you to eat larger portions before feeling full.
- Metabolic Factors: The body naturally attempts to defend its weight, and metabolic adaptation can slow weight loss or promote regain.
Steps to Get Back on Track
The first and most crucial step is to reconnect with your bariatric care team. Do not let shame prevent you from seeking help.
- Nutritional Reset: Working with a bariatric dietitian can help you identify dietary pitfalls and return to the foundational rules of post-op eating (protein first, mindful eating).
- Medical Weight Loss Options: The introduction of GLP-1 medications has provided a powerful new tool to assist patients dealing with post-surgical regain.
- Revisional Surgery: If anatomical stretching has occurred, procedures like Transoral Outlet Reduction (TORe) can reduce the size of the outlet and restore the restriction of the original surgery.
Remember, weight management is a lifelong journey. Regain is a hurdle, not the end of the road.
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