Bariatric surgery is a powerful tool in the treatment of severe obesity, but its success depends on more than just the procedure itself. Many patients seeking weight loss surgery struggle with disordered eating behaviors such as binge eating, which can significantly impact both short and long-term outcomes. Research indicates that nearly half (49%) of individuals pursuing bariatric surgery meet the criteria for binge eating disorder.1

The anatomical restriction from bariatric surgery limits the amount of food intake, reducing the likelihood of binge eating.

Recognizing and addressing these eating patterns is crucial for achieving and maintaining lasting success after surgery. In this blog, we explore the early warning signs, risks, and treatment options for binge eating disorders and food addiction after bariatric surgery.

What is Binge Eating Disorder?

Binge Eating Disorder (BED) is the most frequently diagnosed eating disorder in the United States. Factors for developing BED include hormonal changes, stress, trauma, poor coping skills, lack of pre-op education, and social pressures in a food-focused culture. Individuals living with BED often experience complex feelings about their bodies, especially when bingeing has resulted in weight gain.

Binge Eating (BE) involves consuming a larger amount of food within a discrete period (such as two hours) than most people would typically eat. It is accompanied by a feeling of being unable to stop, and often occurs when not physically hungry. BED is characterized by recurrent episodes of binge eating at least 2 days a week for 6 months (According to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5)).2

Understanding Eating Disorders in the Bariatric Journey

Bariatric surgery can be an effective aid in managing eating disorders, but without proper care and support before and after the procedure, these challenges may persist after surgery.

Approximately one in three individuals who have sought out a weight-loss program has underlying eating disorders, including BED.1

Pre-Op Effects

Pre-existing binge eating disorder (BED) can greatly influence both the short- and long-term outcomes of weight loss surgery (WLS). While bariatric surgery may aid in managing BED, it typically does not eliminate the disorder entirely. Procedures like gastric sleeve surgery can reduce feelings of hunger, which may lower the likelihood of overeating by decreasing physical cravings. However, because BED is often rooted in emotional triggers rather than true hunger, many patients may continue to face challenges with the disorder even after surgery.

Post-Op Effects

Long-term weight loss outcomes can be significantly affected by the presence of BED. Although the early weight loss phase might still occur (due to calorie restriction), long-term maintenance is often more difficult if the cause of the eating disorder is not addressed. After WLS, binge eating becomes physically difficult due to the smaller stomach size; however, some patients attempt to override this physical barrier by grazing or eating soft/high-calorie foods. Others may develop substitute behaviors like transfer addiction.

– Physical Effects

Potential risks of overeating after bariatric surgery include:

Physical restriction of the stomach may change, but it doesn’t cure the underlying behavioral issues. Some physical effects of BED after surgery are weight gain and nutritional deficiencies. It can also affect someone’s emotional well-being and mental health, and cause feelings of shame, guilt, depression, and social withdrawal. This can end up impacting surgical success with a higher risk of complications and poorer long-term outcomes.

Physical Effects of Eating Disorder After Bariatric Surgery - Mexico Bariatric Center

– Transfer Addiction

As more weight-loss surgeries are performed, the issue of cross-addiction has become more of a problem. Studies show various forms of transfer addiction in up to 30 percent of patients who have had bariatric surgery.3 Just like any addiction, when the substance of choice is no longer available, the chances of seeking out another substance are greatly increased. In BED, food is no longer a source of comfort, distraction, reward, or escape. Other behaviors, such as compulsive shopping, gambling, or alcohol, now substitute for eating and can become problematic.

Recognizing these patterns early is the first step toward healing, and there are effective ways to build a healthier relationship with food after surgery.

5 Ways to Overcome Eating Disorders After Bariatric Surgery

How To Overcome Eating Disorder After Bariatric Surgery

If you’re experiencing symptoms like frequent vomiting, binge eating, rapid weight regain, or severe depression after weight loss surgery, know that there’s no shame in seeking help. Consider these strategies to help you regain control:

1. Early Screenings
Your doctor can often spot signs of disordered eating. That’s why it’s important to be honest during your check-ins and begin recovery.

2. Psychological Interventions

3. Nutritional Support

  • Work with a Bariatric Nutritionist or Dietitian: they will work with you to build a doable routine without triggering old behaviors
  • Regular Nutrient Monitoring: prevent deficiencies that can affect mood and appetite (e.g., B12, iron, vitamin D)

4. Explore Medical Options
When appropriate, medications can help with impulse control or coexisting mental health issues that contribute to food addiction and binge eating

  • Appetite-Regulating Medications: In select cases, anti-craving or mood-stabilizing medications may be prescribed (e.g., SSRIs, Vyvanse for BED)

5. Social and Environmental Support

  • Lean on your people: when partners, family, or friends understand what you are going through, they can help you stay grounded
  • Change your surroundings: removing trigger foods, building new routines, and creating a safe space can help

Conclusion

Although weight loss surgery is a crucial tool in improving your health and wellness, its potential can be limited if disordered eating patterns are prevalent. Here at Mexico Bariatric Center®, we are dedicated to helping our patients overcome any barriers they face during their weight loss journey. If you think you are struggling with binge eating disorder or food addiction, please reach out to our nutritionist for advice and resources.

Text/Call Our Nutritionist at (916) 758-2745
nutrition@mexicobariatriccenter.com
Hours: M-F 8 am – 4:30 pm (Pacific Time)
Sources:
[1] Cella S, Fei L, D’Amico R, Giardiello C, Allaria A, Cotrufo P. Binge Eating Disorder and Related Features in Bariatric Surgery Candidates. Open Med (Wars). 2019 Jun 7;14:407-415. doi: 10.1515/med-2019-0043. PMID: 31231682; PMCID: PMC6572385.
[2] American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).
[3] Broadwater, Kelly. “Transfer Addiction Following Bariatric Surgery.” Obesity Action Coalition, Obesity Action, date not specified, under Community News: Bariatric Surgery.

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