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Why Am I Not Losing Weight After Gastric Sleeve Surgery? Possible Reasons and What to Do Next
Gastric sleeve surgery is highly effective for most patients, helping them lose 50–70% of their excess weight within the first 12 to 18 months. However, not all patients achieve the same results — and in rare cases, some may experience minimal or no weight loss at all after the procedure.
If you're not seeing the weight loss you expected, it’s important to understand that multiple factors could be at play.
⚠️ Common Reasons for Poor Weight Loss After Gastric Sleeve
1. Inadequate Post-Op Care and Follow-Up
The surgery is just the first step. Without proper postoperative support, including nutritional guidance and follow-up appointments, weight loss can stall. Success depends on consistent monitoring and lifestyle changes.
2. Underlying Medical Conditions
Certain conditions — such as hypothyroidism, insulin resistance, or PCOS — can make it harder to lose weight even after surgery. These should be diagnosed and managed to support your progress.
3. Non-Compliance with Dietary Guidelines
After gastric sleeve surgery, patients must follow a strict eating plan. Eating too frequently, consuming high-calorie liquids, or not controlling portion sizes can all limit weight loss or lead to weight regain.
4. Psychological Factors
Emotional eating, depression, or food addiction can interfere with progress if not addressed. Bariatric success often requires psychological support and behavioral therapy.
5. Incomplete or Technical Issues During Surgery
In rare cases, the stomach may not have been reduced adequately during the surgery — leaving a larger volume than intended. This can allow for greater food intake and less restriction. Revision surgery may be needed in such cases.
🩺 What Should You Do If You’re Not Losing Weight?
If you're not seeing results after gastric sleeve surgery:
- Consult your bariatric team immediately
- Request a full evaluation, including hormonal tests, endoscopy, and nutritional assessments
- Review your eating and exercise habits with a dietitian
- Work with a psychologist to identify and overcome emotional or behavioral eating triggers
- Discuss the possibility of revision surgery, such as conversion to gastric bypass or duodenal switch, if needed
💶 Gastric Sleeve in Turkey – Affordable and Professional
At CosmetoCity, we offer gastric sleeve surgery in Antalya and Istanbul with experienced bariatric surgeons and internationally accredited hospitals.
✅ All-inclusive packages starting from €3,000 cover:
- Pre-operative tests and evaluations
- Surgery and hospital stay
- Hotel accommodation and airport transfers
- Medications and post-op nutrition plans
- 24/7 English-speaking support
- Lifetime follow-up and guidance
✅ Final Thoughts
If you’re not losing weight after gastric sleeve surgery, you’re not alone — and there are solutions. With proper medical evaluation and support, most patients can get back on track and reach their weight loss goals.
📞 Need a second opinion or support after surgery?
Contact CosmetoCity for a free consultation with our bariatric team. We're here to help you overcome challenges and move forward with confidence.