Gastrointestinal Issues After Rapid Weight Loss and Binge Eating - Surgery

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Gastrointestinal issues


Hello doctor, at the end of last year, I fasted for two months and lost 26 kilograms (from a normal weight to being underweight).
After that, I indulged in binge eating for a week.
Since then, after meals, I have been experiencing a sensation of gas being trapped in my right abdomen, sometimes in the right upper quadrant and sometimes in the right side of the abdomen (near the waist).
It feels like there is a blockage after eating, and it only gets better after some time when I feel it moving through.
I am wondering if there is a possibility of having a fistula, slight twisting of the intestines, or adhesions?

Zhang Ke 0, 30~39 year old female. Ask Date: 2022/06/12

Dr. Chen Bingze reply Surgery


Hello, if you are really concerned, you may need to undergo further examinations at the hospital, such as an upper gastrointestinal endoscopy, colonoscopy, or computed tomography (CT) scan to find out more.

Reply Date: 2022/06/12

More Info


The symptoms you are experiencing after a period of rapid weight loss followed by binge eating can be quite complex and may be indicative of several gastrointestinal issues. Rapid weight loss, especially through methods like fasting, can significantly alter your digestive system's functioning. When you then engage in binge eating, it can further exacerbate these issues, leading to discomfort and pain.

Firstly, the sensation of gas or bloating in the right side of your abdomen, particularly after eating, could be related to several factors. One possibility is that your gastrointestinal tract is reacting to the sudden change in food intake after a period of restriction. When you eat a large amount of food after a fast, your stomach and intestines may struggle to process it efficiently, leading to feelings of fullness, bloating, and discomfort. This is often referred to as "postprandial distress," which can manifest as gas, bloating, and even pain.

Additionally, the discomfort you feel in the right upper quadrant could be related to the gallbladder, especially if your binge eating includes high-fat foods. The gallbladder is responsible for storing bile, which helps digest fats. If it is not functioning optimally due to the rapid changes in your diet, you may experience pain or discomfort in that area.

Regarding your concerns about potential complications such as fistulas, bowel twists, or adhesions, these are indeed possibilities, especially if there has been significant trauma to the gastrointestinal tract, whether from surgery or severe weight fluctuations. However, these conditions typically present with more severe symptoms, such as persistent pain, vomiting, or changes in bowel habits. If your symptoms are primarily related to gas and bloating without these more severe indicators, it may be less likely that you have a serious complication.

It's also worth noting that the gastrointestinal system can take time to adjust after significant dietary changes. The gut microbiome, which plays a crucial role in digestion and overall gut health, can be affected by both rapid weight loss and subsequent binge eating. This disruption can lead to symptoms like bloating, gas, and irregular bowel movements.

To address your symptoms, consider the following recommendations:
1. Gradual Dietary Changes: After a period of fasting, reintroduce foods gradually. Start with smaller, more frequent meals that are easier to digest. This can help your gastrointestinal tract adjust without overwhelming it.

2. Monitor Food Choices: Pay attention to the types of foods you consume. High-fat, spicy, or overly processed foods can exacerbate gastrointestinal discomfort. Focus on a balanced diet rich in fiber, lean proteins, and healthy fats.

3. Stay Hydrated: Adequate hydration is essential for digestive health. Drinking water can help facilitate digestion and reduce bloating.

4. Consider Probiotics: Probiotics can help restore balance to your gut microbiome, especially after significant dietary changes. They can aid in digestion and may help alleviate some of your symptoms.

5. Consult a Healthcare Professional: If your symptoms persist or worsen, it is crucial to seek medical advice. A healthcare provider can perform necessary evaluations, such as imaging studies or endoscopy, to rule out any serious conditions and provide tailored treatment options.

In summary, while your symptoms may be uncomfortable and concerning, they are not uncommon after significant dietary changes. By making gradual adjustments to your eating habits and seeking professional guidance, you can work towards alleviating your gastrointestinal issues.

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