{"id":12770,"date":"2026-11-14T10:00:00","date_gmt":"2026-11-14T09:00:00","guid":{"rendered":"https:\/\/www.medespoir.ch\/blog\/?p=12770"},"modified":"2026-11-14T10:00:00","modified_gmt":"2026-11-14T09:00:00","slug":"keeping-weight-off-after-bariatric-surgery-tunisia","status":"publish","type":"post","link":"https:\/\/www.medespoir.ch\/blog\/keeping-weight-off-after-bariatric-surgery-tunisia\/","title":{"rendered":"Keeping the weight off after bariatric surgery: follow-up at 5 and 10 years, exercise, support and relapse"},"content":{"rendered":"<p><strong>In short:<\/strong> Weight-loss surgery works for the long term, but rarely without effort. The best long-term studies show that most people keep a large part of the weight they lost ten years or more after a sleeve or a bypass, and that some regain after the lowest point, usually reached one to two years after surgery, is normal. What separates people who stay stable from those who relapse is mostly what happens afterwards: lifelong follow-up with blood tests, a structured way of eating built around protein, regular physical activity including strength training, attention to mental health, and acting early when the scales start to move. If weight returns, there are graded options, from a dietitian and psychological support to medication and, in some cases, revision surgery. Bariatric surgery in Tunisia is significantly cheaper than in Switzerland; the exact price is given in a free personal quote.<\/p>\n<p>This guide is written for people living in Switzerland, including expatriates in Geneva, Zurich, Basel and Lausanne, who have had weight-loss surgery, in Tunisia or elsewhere, or who are thinking about it and want to know what the years afterwards really look like. Our earlier guides cover <a href=\"https:\/\/www.medespoir.ch\/blog\/sleeve-or-bypass-choosing-weight-loss-surgery-tunisia\/\">how to choose between a sleeve and a bypass<\/a>, <a href=\"https:\/\/www.medespoir.ch\/blog\/life-after-bariatric-surgery-tunisia-swiss-follow-up\/\">diet, vitamins and follow-up in the first years<\/a> and <a href=\"https:\/\/www.medespoir.ch\/blog\/revision-bariatric-surgery-tunisia-guide\/\">revision surgery<\/a>. This one looks further ahead: five, ten and fifteen years after the operation, what keeps weight stable, what the research says, and how to organise follow-up from Switzerland when your surgery took place in Tunisia.<\/p>\n<h2 id=\"contents\">Contents<\/h2>\n<ul>\n<li><a href=\"#long-term\">What happens to weight in the long term?<\/a><\/li>\n<li><a href=\"#news\">What is new in 2025 and 2026?<\/a><\/li>\n<li><a href=\"#timeline\">The years after surgery: a timeline<\/a><\/li>\n<li><a href=\"#why\">Why does weight come back?<\/a><\/li>\n<li><a href=\"#follow-up\">Follow-up at five and ten years<\/a><\/li>\n<li><a href=\"#activity\">Physical activity for life<\/a><\/li>\n<li><a href=\"#eating\">Eating for maintenance, not for weight loss<\/a><\/li>\n<li><a href=\"#mind\">Mental health, habits and support groups<\/a><\/li>\n<li><a href=\"#relapse\">Relapse: recognising it and acting early<\/a><\/li>\n<li><a href=\"#medication\">Weight-loss medicines after surgery<\/a><\/li>\n<li><a href=\"#life-stages\">Pregnancy, menopause, ageing and other life events<\/a><\/li>\n<li><a href=\"#tunisia\">Organising long-term follow-up after surgery in Tunisia<\/a><\/li>\n<li><a href=\"#cases\">Four typical situations<\/a><\/li>\n<li><a href=\"#costs\">Price and Swiss insurance<\/a><\/li>\n<li><a href=\"#sources\">Sources<\/a><\/li>\n<li><a href=\"#faq\">Frequently asked questions<\/a><\/li>\n<\/ul>\n<h2 id=\"long-term\">What happens to weight in the long term?<\/h2>\n<h3>Does weight-loss surgery still work after ten years?<\/h3>\n<p>Yes, for most people. One of the most quoted long-term studies, published in the <em>New England Journal of Medicine<\/em> in 2017, followed 418 people who had a gastric bypass in the United States, with a follow-up rate above 90 per cent at twelve years. On average, they had lost 35 per cent of their body weight at two years, 28 per cent at six years and 26.9 per cent at twelve years. Two comparison groups who did not have surgery had essentially the same weight as at the start. In other words, some weight returned after the first years, but most of the loss was maintained.<\/p>\n<h3>Is there long-term data from Switzerland?<\/h3>\n<p>Yes, and it is recent. The Swiss Multicenter Bypass or Sleeve Study (SM-BOSS) randomised 217 patients to a sleeve or a bypass in four Swiss bariatric centres between 2007 and 2011, and its long-term results were published in <em>JAMA Surgery<\/em> in 2025, with follow-up until 2023. More than ten years after surgery, total weight loss averaged 25.5 per cent after a sleeve and 27.7 per cent after a bypass, a difference that was not statistically significant. Two other findings matter for anyone thinking long term: new reflux disease was more frequent after a sleeve, and nearly 30 per cent of sleeve patients had needed a conversion to another anatomy because of insufficient weight loss or reflux, against 5.5 per cent of bypass patients.<\/p>\n<h3>What does \u00ab\u00a0success\u00a0\u00bb mean after bariatric surgery?<\/h3>\n<p>Specialists now prefer to describe results as the percentage of total body weight lost, rather than the older \u00ab\u00a0excess weight loss\u00a0\u00bb, because it is simpler and less dependent on starting weight. Success is not only a number. It also includes better blood sugar, blood pressure, sleep apnoea and joint pain, fewer medicines, better mobility and quality of life. Someone who keeps a quarter of their initial weight off for ten years and no longer needs diabetes treatment has had a very good result, even if they never reached the weight they dreamed of.<\/p>\n<h3>Is some weight regain normal?<\/h3>\n<p>Yes. Almost everyone regains some weight after the lowest point, called the nadir, which is usually reached between one and two years after surgery. The body defends its weight: energy expenditure falls, hunger hormones adapt and the stomach or pouch accepts slightly larger portions over time. A modest regain after the nadir is a physiological response, not a failure. What matters is whether it stabilises or continues, and whether you act early.<\/p>\n<table>\n<thead>\n<tr>\n<th>Study<\/th>\n<th>Population<\/th>\n<th>Long-term weight result<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Utah gastric bypass study (NEJM, 2017)<\/td>\n<td>418 bypass patients, United States<\/td>\n<td>Average loss of 35&nbsp;% of body weight at 2 years, 28&nbsp;% at 6 years, 26.9&nbsp;% at 12 years<\/td>\n<\/tr>\n<tr>\n<td>SM-BOSS (JAMA Surgery, 2025)<\/td>\n<td>217 patients randomised to sleeve or bypass, Switzerland<\/td>\n<td>Total weight loss beyond 10 years: 25.5&nbsp;% after a sleeve, 27.7&nbsp;% after a bypass; more conversions after a sleeve<\/td>\n<\/tr>\n<tr>\n<td>Teen-LABS (NEJM, 2024)<\/td>\n<td>About 260 adolescents operated at 13 to 19 years<\/td>\n<td>Body mass index about 20&nbsp;% lower at 10 years after a bypass or a sleeve<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"news\">What is new in 2025 and 2026?<\/h2>\n<h3>Which recent studies matter for long-term maintenance?<\/h3>\n<p>Four publications from the past eighteen months are particularly useful for patients:<\/p>\n<ul>\n<li><strong>SM-BOSS long-term results<\/strong>, <em>JAMA Surgery<\/em>, April 2025: the Swiss trial described above, confirming durable weight loss after both operations, with more reflux and more conversions after a sleeve.<\/li>\n<li><strong>SLEEVEPASS ten-year nutrition analysis<\/strong>, <em>British Journal of Surgery<\/em>, July 2025: in the Finnish trial comparing sleeve and bypass, serious long-term deficiencies were rare after both operations, iron deficiency was more common after a bypass, and adherence to vitamin supplements was lower after a sleeve (71 against 89 per cent). People who feel \u00ab\u00a0normal\u00a0\u00bb years after a sleeve tend to stop their vitamins, which is exactly when deficiencies develop silently.<\/li>\n<li><strong>International expert consensus on weight recurrence<\/strong>, <em>Surgery for Obesity and Related Diseases<\/em>, March 2026: 66 experts from surgery, obesity medicine, gastroenterology, endocrinology, nutrition and psychology agreed to call inadequate results a \u00ab\u00a0suboptimal response\u00a0\u00bb, to measure results as total weight loss, to individualise care, and that specialists may appropriately prescribe anti-obesity medicines after surgery. Conservative management, meaning diet, activity and behaviour support, reached the strongest agreement.<\/li>\n<li><strong>Medicines after surgery<\/strong>: a French study published in <em>Obesity Surgery<\/em> in September 2025 followed 100 patients, mostly after a sleeve, who received GLP-1 receptor agonists for insufficient weight loss or regain, and reported further weight loss at one year with nausea as the main side effect. A 2026 meta-analysis of 13 studies in <em>Cureus<\/em> found an average additional loss of about 7.5 kg, while warning that most studies were observational and very different from each other.<\/li>\n<\/ul>\n<h3>What has changed in Switzerland?<\/h3>\n<p>Wegovy (semaglutide) has been reimbursed by basic insurance for obesity since March 2024 and Mounjaro (tirzepatide) since 1 January 2026, according to a January 2026 position paper by the Swiss Association of Dietitians (SVDE) and the Swiss Obesity Alliance (ALLOB), under strict conditions that include dietary counselling. The University Hospital Zurich&rsquo;s patient page lists the main conditions and states that people who have already had bariatric surgery, or are planning it, are not entitled to reimbursement under these rules. If you consider medication after surgery, discuss the cost with your doctor first.<\/p>\n<h3>Have the Swiss bariatric guidelines changed?<\/h3>\n<p>The guidelines of the Swiss Society for the Study of Morbid Obesity and Metabolic Disorders (SMOB) currently in use date from July 2023. They require a written commitment to lifelong follow-up and set out a minimum schedule of visits and blood tests, described below. They apply to surgery in Switzerland, but they are an excellent benchmark for anyone operated abroad who wants to organise follow-up at home.<\/p>\n<h2 id=\"timeline\">The years after surgery: a timeline<\/h2>\n<h3>What happens in each phase?<\/h3>\n<p>Weight loss after surgery follows a fairly predictable curve. Knowing it helps you recognise when something is not going as expected.<\/p>\n<table>\n<thead>\n<tr>\n<th>Period<\/th>\n<th>What usually happens<\/th>\n<th>Your priorities<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>First 3 months<\/td>\n<td>Rapid weight loss, texture phases, small portions<\/td>\n<td>Protein, hydration, vitamins, walking, first follow-up visits<\/td>\n<\/tr>\n<tr>\n<td>3 to 12 months<\/td>\n<td>Steady loss, more varied diet, more energy<\/td>\n<td>Strength training, regular meals, blood tests, dietitian visits<\/td>\n<\/tr>\n<tr>\n<td>12 to 24 months<\/td>\n<td>Weight reaches its lowest point (nadir)<\/td>\n<td>Set maintenance habits, decide on plastic surgery only once weight is stable<\/td>\n<\/tr>\n<tr>\n<td>2 to 5 years<\/td>\n<td>Modest regain is common; hunger and portions increase slightly<\/td>\n<td>Weigh yourself regularly, keep annual check-ups, act early on regain<\/td>\n<\/tr>\n<tr>\n<td>5 to 10 years<\/td>\n<td>Stability for many; relapse for some; deficiencies can appear<\/td>\n<td>Annual blood tests, bone health, reflux check after a sleeve, keep vitamins<\/td>\n<\/tr>\n<tr>\n<td>Beyond 10 years<\/td>\n<td>Ageing, menopause, new illnesses and medicines<\/td>\n<td>Muscle and bone maintenance, review medicines, lifelong follow-up<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Why is the second year so important?<\/h3>\n<p>Because it is when the weight-loss phase ends and the maintenance phase begins, often without anyone noticing. Many people relax once they reach their lowest weight: follow-up visits feel unnecessary, vitamins are forgotten, snacking returns. The habits you build between the first and third year largely decide your weight at ten years. Use this period to make the changes permanent rather than celebrating the end of the effort.<\/p>\n<h3>When should I think about plastic surgery?<\/h3>\n<p>Once your weight has been stable for several months, usually not before 12 to 18 months after bariatric surgery, and only if your nutritional status is good. Removing excess skin while you are still losing weight risks a less satisfying result. Medespoir describes body-contouring operations such as the <a href=\"https:\/\/www.medespoir.ch\/body-lift-lifting-cuisses.php\">body lift and thigh lift<\/a> on its French pages, and the surgeon will decide on timing at consultation.<\/p>\n<h2 id=\"why\">Why does weight come back?<\/h2>\n<h3>Is it a lack of willpower?<\/h3>\n<p>No, or at least not only. Weight regain after bariatric surgery has several causes that often combine. A 2026 review in <em>Nutrients<\/em> describes \u00ab\u00a0metabolic adaptation\u00a0\u00bb: after major weight loss, the body spends less energy than would be expected for its new size, and hunger signals strengthen. Surgery changes gut hormones in a favourable way, but these biological defences of body weight do not disappear. Understanding this helps to remove guilt and to focus on what can actually be changed.<\/p>\n<h3>What are the main causes of regain?<\/h3>\n<ul>\n<li><strong>Biology<\/strong>: lower energy expenditure, stronger hunger and the gradual return of appetite after the first year.<\/li>\n<li><strong>Eating patterns<\/strong>: grazing (eating small amounts all day), sweet drinks, alcohol, energy-dense snacks that pass easily, and drinking with meals, which lets food pass faster.<\/li>\n<li><strong>Anatomy<\/strong>: a sleeve can widen over time, and the connection of a bypass can enlarge. These changes allow larger meals, although they are rarely the only explanation.<\/li>\n<li><strong>Loss of muscle<\/strong>: too little protein and no strength training reduce muscle, which lowers daily energy expenditure.<\/li>\n<li><strong>Mental health<\/strong>: depression, anxiety, stress and emotional or binge eating, which may have existed before surgery or appear afterwards.<\/li>\n<li><strong>Medicines<\/strong>: some antidepressants, antipsychotics, corticosteroids, insulin and other treatments can favour weight gain. Never stop a medicine on your own; ask your doctor whether an alternative exists.<\/li>\n<li><strong>Life events<\/strong>: pregnancy, menopause, stopping smoking, an injury that stops exercise, a new job with irregular hours, night shifts, a move or a separation.<\/li>\n<li><strong>Loss of follow-up<\/strong>: fewer visits mean that small changes are noticed late.<\/li>\n<\/ul>\n<h3>Is regain more frequent after a sleeve or a bypass?<\/h3>\n<p>In the Swiss SM-BOSS trial, total weight loss beyond ten years was similar, but sleeve patients more often needed a conversion because of insufficient weight loss or reflux. Our <a href=\"https:\/\/www.medespoir.ch\/blog\/revision-bariatric-surgery-tunisia-guide\/\">revision guide<\/a> explains when a second operation is considered. For most people, however, the first answer to regain is not surgery but a review of habits, health and follow-up.<\/p>\n<h3>Does follow-up really change the result?<\/h3>\n<p>Studies suggest it does. In a 2024 American study of more than 800 patients published in <em>Surgery for Obesity and Related Diseases<\/em>, only about 60 per cent attended their one-year visit with the bariatric team, and those who did had better weight outcomes at one and two years. Younger patients and those with lower education levels were less likely to attend. This type of study cannot prove cause and effect, since motivated patients may be more likely to attend, but it fits the experience of bariatric teams: people who stay in touch catch problems earlier.<\/p>\n<h2 id=\"follow-up\">Follow-up at five and ten years<\/h2>\n<h3>How long should follow-up last?<\/h3>\n<p>For life. The SMOB guidelines require a written commitment to regular, lifelong follow-up within a multidisciplinary bariatric team. They also specify at least four consultations with a dietitian in the first year and one per year from the second to the fifth year. Follow-up may be shared with your family doctor, as long as progress reports are sent to the obesity centre for at least five years.<\/p>\n<h3>How often should I be seen?<\/h3>\n<p>The SMOB guidelines give these minimum schedules:<\/p>\n<table>\n<thead>\n<tr>\n<th>Operation<\/th>\n<th>Follow-up visits (SMOB guidelines)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sleeve gastrectomy or gastric band<\/td>\n<td>1, 3, 6, 9 and 12 months, then yearly or as needed<\/td>\n<\/tr>\n<tr>\n<td>Gastric bypass<\/td>\n<td>1, 3, 6, 9, 12, 18 and 24 months, then yearly or as needed<\/td>\n<\/tr>\n<tr>\n<td>Malabsorptive operations (for example duodenal switch)<\/td>\n<td>1, 3, 6, 9, 12, 18 and 24 months, then every six months or as needed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Which blood tests are needed every year?<\/h3>\n<p>The SMOB guidelines list annual laboratory tests: blood count, coagulation, electrolytes, liver and kidney values, albumin, glucose and HbA1c, iron and ferritin, blood lipids, certain hormones such as parathyroid hormone, and vitamin status. Your doctor will add tests according to your operation and symptoms, typically including vitamin B12, folate, vitamin D, calcium and sometimes zinc, copper or vitamin A. Bring your previous results to every visit so that trends can be followed.<\/p>\n<h3>What should a five-year check-up cover?<\/h3>\n<ul>\n<li>Weight history since the nadir, and your own assessment of eating habits and hunger.<\/li>\n<li>Blood tests, compared with previous years.<\/li>\n<li>Reflux symptoms, especially after a sleeve, and whether an endoscopy is needed.<\/li>\n<li>Vitamin and mineral supplements: are you still taking them every day?<\/li>\n<li>Blood pressure, blood sugar, lipids, sleep apnoea and the medicines that treat them.<\/li>\n<li>Physical activity, muscle strength and joint pain.<\/li>\n<li>Mood, eating behaviour, alcohol use and smoking.<\/li>\n<li>Contraception or pregnancy plans for women of childbearing age.<\/li>\n<\/ul>\n<h3>And at ten years?<\/h3>\n<p>The same points, plus bone health and the effects of ageing. Long-term deficiencies in calcium and vitamin D can weaken bones, and Medespoir&rsquo;s guide to obesity surgery mentions bone fragility as a long-term risk without proper follow-up. Ask your doctor whether a bone density scan is appropriate for you. After a bypass, any unexplained abdominal pain years later needs medical attention, as explained in our guide to <a href=\"https:\/\/www.medespoir.ch\/blog\/bariatric-surgery-complications-warning-signs\/\">complications and warning signs<\/a>.<\/p>\n<h3>Why do I still need vitamins if I feel fine?<\/h3>\n<p>Because deficiencies develop slowly and silently. The SMOB guidelines recommend long-term multivitamins with minerals and trace elements after a band, a sleeve or a bypass, and lifelong supplements after malabsorptive surgery. In the Finnish SLEEVEPASS trial, deficiencies at ten years were rare, but this was in a closely followed trial population. Iron deficiency was more common after a bypass, and fewer sleeve patients still took their supplements. Feeling well does not mean your stores are full.<\/p>\n<p><strong>Thinking about surgery in Tunisia?<\/strong> Ask for a <a href=\"https:\/\/www.medespoir.ch\/devis.php\">free personal quote<\/a> and mention your follow-up arrangements in Switzerland: your family doctor, your insurer and any obesity centre you already know.<\/p>\n<h2 id=\"activity\">Physical activity for life<\/h2>\n<h3>How much exercise do I need after weight-loss surgery?<\/h3>\n<p>The World Health Organization recommends that adults do at least 150 to 300 minutes of moderate-intensity aerobic activity per week, or 75 to 150 minutes of vigorous activity, plus muscle-strengthening activities on two or more days a week. These general recommendations are a sensible target after bariatric surgery once your surgeon has cleared you for exercise. Many people who maintain their weight in the long term are more active than this, but every additional step counts.<\/p>\n<h3>Does exercise prevent weight regain?<\/h3>\n<p>It helps, but it is not a guarantee on its own. A 2022 meta-analysis of randomised trials in <em>Surgery for Obesity and Related Diseases<\/em> looked specifically at exercise programmes started at least a year after surgery. It found only five eligible trials; exercise groups lost about 2.4 kg more than control groups, a small difference that was not statistically significant. The authors called for better trials. The lesson is not that exercise is useless, quite the contrary: it preserves muscle and bone, improves fitness, blood sugar, blood pressure and mood, and makes daily life easier. But exercise works best combined with structured eating and follow-up.<\/p>\n<h3>Why is strength training so important?<\/h3>\n<p>Rapid weight loss removes fat but also muscle. Muscle supports your joints, your balance and your metabolism, and it becomes even more important with age. Medespoir&rsquo;s guide to obesity surgery stresses that physical activity preserves muscle mass during weight loss and protects your metabolism. Two or three sessions a week of resistance exercise, using machines, free weights, elastic bands or your own body weight, combined with enough protein, are the most effective way to protect it.<\/p>\n<h3>How can I build activity into life in Switzerland?<\/h3>\n<ul>\n<li>Walk or cycle part of your commute; get off the tram one stop early in Geneva, Zurich or Basel.<\/li>\n<li>Use lakes and swimming pools in summer and indoor pools in winter: swimming and aqua-fitness are gentle on joints.<\/li>\n<li>Try hiking: start with low-altitude trails and increase gradually.<\/li>\n<li>Join a gym or fitness class with coaching for strength training, at least at the start.<\/li>\n<li>Look for sports clubs and courses in your commune or canton; many are open to beginners and adults of all ages.<\/li>\n<li>Track your steps or activity minutes; seeing the numbers helps keep the habit.<\/li>\n<\/ul>\n<h3>What if I have joint pain or another limitation?<\/h3>\n<p>Choose activities that spare the joints, such as cycling, swimming, aqua-fitness or seated strength exercises, and ask your doctor about physiotherapy. Weight loss often reduces knee and hip pain, but it does not always disappear. A physiotherapist can design a programme adapted to your joints, and in Switzerland physiotherapy prescribed by a doctor is generally covered by basic insurance under the usual deductible and retention fee.<\/p>\n<h2 id=\"eating\">Eating for maintenance, not for weight loss<\/h2>\n<h3>How should I eat five years after surgery?<\/h3>\n<p>The principles you learned in the first year remain valid, but with a different goal: stability rather than loss. Medespoir&rsquo;s <a href=\"https:\/\/www.medespoir.ch\/guide-chirurgie-obesite.php\">obesity surgery guide<\/a> warns that without support two situations arise: gradual weight regain or established deficiencies. The core rules for the long term:<\/p>\n<ul>\n<li><strong>Protein first<\/strong> at each meal: meat, fish, eggs, dairy, tofu or legumes, as advised by your dietitian.<\/li>\n<li><strong>Regular meals<\/strong>: three meals and, if needed, one or two planned snacks, rather than grazing all day.<\/li>\n<li><strong>Eat slowly<\/strong>, put down your fork between bites and stop at the first sign of fullness.<\/li>\n<li><strong>Separate drinking and eating<\/strong>, as you were taught after surgery.<\/li>\n<li><strong>Avoid liquid calories<\/strong>: sweet drinks, juices, milkshakes and alcohol pass easily and add up quickly.<\/li>\n<li><strong>Vegetables and fibre<\/strong> for volume and digestive comfort.<\/li>\n<li><strong>Limit ultra-processed snacks<\/strong> that \u00ab\u00a0melt\u00a0\u00bb in the mouth, such as crisps or biscuits, which pass through a small stomach easily.<\/li>\n<\/ul>\n<h3>What is grazing, and why is it a problem?<\/h3>\n<p>Grazing means eating small amounts repeatedly, often without real hunger: a biscuit here, some crisps there. After bariatric surgery, a large meal is uncomfortable, but small, frequent snacks are not, so the stomach&rsquo;s limit no longer protects you. Grazing is one of the behaviours most often associated with regain. Planning meals and snacks, keeping tempting foods out of sight and noticing emotional triggers are the first steps.<\/p>\n<h3>Should I weigh myself regularly?<\/h3>\n<p>Most bariatric teams recommend regular weighing, for example once a week, at the same time and in similar clothes. It is not about obsession but about early warning: a few kilos noticed early are easier to manage than ten noticed late. If weighing causes anxiety or obsessive behaviour, discuss it with your team and find another way to monitor, such as how your clothes fit or periodic checks at your doctor&rsquo;s.<\/p>\n<h3>Is alcohol a particular risk?<\/h3>\n<p>Yes. After a bypass and, to a lesser extent, a sleeve, alcohol is absorbed faster and reaches higher blood levels, and some people develop problematic drinking years after surgery. Alcohol also adds calories without satiety. Keep it occasional, never drink before driving, and talk to your doctor if you notice that you drink more than before or to cope with emotions.<\/p>\n<h3>Can I eat out and travel normally?<\/h3>\n<p>Yes, with a few habits: order a starter or a half portion, start with the protein, skip the bread basket and sugary drinks, and take leftovers home when possible. On long trips, take protein snacks and your supplements with you. These habits, described in our guide to <a href=\"https:\/\/www.medespoir.ch\/blog\/life-after-bariatric-surgery-tunisia-swiss-follow-up\/\">life after bariatric surgery<\/a>, matter just as much ten years on.<\/p>\n<h2 id=\"mind\">Mental health, habits and support groups<\/h2>\n<h3>Why does mental health matter for weight maintenance?<\/h3>\n<p>Because eating is not only physical. Stress, loneliness, depression, anxiety and past trauma can all drive eating, and surgery does not remove them. Some people also find it hard to adjust to their new body or to how others treat them. Weight regain often follows a difficult life period. Recognising this is not a weakness; it is the starting point for help that works.<\/p>\n<h3>Do support groups help?<\/h3>\n<p>They can. A 2023 Israeli study in <em>Obesity Surgery<\/em> compared people who attended bariatric support groups with patients who received only individual follow-up with a dietitian, and found better self-management in the support group participants, such as monitoring eating and following recommendations. The study was cross-sectional, so it cannot prove that the groups caused the difference, but it supports what many patients say: sharing experiences with people who understand helps to keep going.<\/p>\n<h3>Where can I find a support group in Switzerland?<\/h3>\n<p>Ask your bariatric centre, your family doctor or your dietitian: many obesity centres in Swiss hospitals organise patient groups or know of local ones. <a href=\"https:\/\/www.selbsthilfeschweiz.ch\/shch\/de.html\">Self-help Switzerland (Selbsthilfe Schweiz)<\/a>, the national umbrella organisation for self-help groups, and its regional centres can help you find groups by theme and region. For expatriates, groups usually meet in the local language; online communities in English exist, but treat medical advice there with caution and check anything important with your team.<\/p>\n<h3>When should I see a psychologist?<\/h3>\n<p>If you feel out of control around food, binge eat, eat secretly, vomit to control weight, feel persistently low or anxious, drink more alcohol than before, or have thoughts of self-harm. Psychological treatment by a recognised psychologist, prescribed by a doctor, is covered by Swiss basic insurance under specific conditions; your doctor can explain them. In an emergency or if you have thoughts of suicide, call 144 or the helpline 143 (Die Dargebotene Hand \/ La Main Tendue).<\/p>\n<h3>Which habits do long-term \u00ab\u00a0maintainers\u00a0\u00bb share?<\/h3>\n<ul>\n<li>They keep regular meals and plan them.<\/li>\n<li>They stay physically active almost every day.<\/li>\n<li>They weigh themselves or monitor in another way, and react to small changes.<\/li>\n<li>They keep follow-up visits and blood tests.<\/li>\n<li>They take their vitamins every day.<\/li>\n<li>They have someone to talk to: a partner, friends, a group or a professional.<\/li>\n<li>They accept that maintenance is a lifelong project, not a phase.<\/li>\n<\/ul>\n<h2 id=\"relapse\">Relapse: recognising it and acting early<\/h2>\n<h3>What are the early signs of relapse?<\/h3>\n<ul>\n<li>Your weight has risen by several kilos over a few months and keeps rising.<\/li>\n<li>You can eat much larger portions than before without discomfort.<\/li>\n<li>You snack between meals more often, or drink sweet drinks again.<\/li>\n<li>You have stopped your vitamins, follow-up visits or physical activity.<\/li>\n<li>You feel hungry soon after meals.<\/li>\n<li>You eat in response to emotions more often.<\/li>\n<\/ul>\n<h3>What should I do first?<\/h3>\n<p>Do not wait for the next annual check-up. Contact your doctor, your bariatric team or your dietitian. Go back to the basics for a few weeks: three structured meals with protein first, no liquid calories, no grazing, daily movement, and a food diary. Many people stabilise with this alone, especially when they react early.<\/p>\n<h3>What will the doctor check?<\/h3>\n<p>A medical review looks for causes that are not related to habits: new medicines, thyroid problems, depression, hormonal changes or, after a sleeve or bypass, anatomical changes. Depending on symptoms, your doctor may request an endoscopy or an X-ray examination with contrast to look at the size of the sleeve or pouch and the connection. Reflux after a sleeve is also assessed, because it can change the choice of treatment.<\/p>\n<h3>What are the options if weight keeps rising?<\/h3>\n<p>They are usually considered step by step:<\/p>\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>What it involves<\/th>\n<th>Who<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. Lifestyle reset<\/td>\n<td>Structured meals, protein, no grazing, activity, weighing, food diary<\/td>\n<td>You, with your dietitian<\/td>\n<\/tr>\n<tr>\n<td>2. Behavioural and psychological support<\/td>\n<td>Treatment of emotional or binge eating, depression or anxiety; support groups<\/td>\n<td>Psychologist, psychiatrist, group<\/td>\n<\/tr>\n<tr>\n<td>3. Medical review<\/td>\n<td>Medicines, hormones, deficiencies, anatomy (endoscopy, imaging)<\/td>\n<td>Family doctor, endocrinologist, gastroenterologist<\/td>\n<\/tr>\n<tr>\n<td>4. Anti-obesity medication<\/td>\n<td>GLP-1 receptor agonists or other medicines, if appropriate<\/td>\n<td>Specialist; check reimbursement first<\/td>\n<\/tr>\n<tr>\n<td>5. Endoscopic or surgical revision<\/td>\n<td>For example conversion of a sleeve to a bypass in specific cases<\/td>\n<td>Bariatric surgeon, after a full assessment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Is a second operation the answer?<\/h3>\n<p>Sometimes, but not first. Revision surgery has higher risks than a first operation and is considered when there is a clear anatomical or medical reason, such as severe reflux after a sleeve, or when other measures have failed. In SM-BOSS, conversions were mainly after a sleeve. Our <a href=\"https:\/\/www.medespoir.ch\/blog\/revision-bariatric-surgery-tunisia-guide\/\">revision guide<\/a> explains the options and the questions to ask.<\/p>\n<h2 id=\"medication\">Weight-loss medicines after surgery<\/h2>\n<h3>Can GLP-1 medicines be used after bariatric surgery?<\/h3>\n<p>Yes, specialists increasingly use them for insufficient weight loss or regain after surgery, and the 2026 international consensus agreed that it is appropriate for specialists to prescribe anti-obesity medicines in this situation. The French study published in 2025 reported further weight loss at one year and good tolerance in 100 patients. A 2026 meta-analysis found an average additional loss of about 7.5 kg, but stressed that most studies were observational and that randomised trials are needed.<\/p>\n<h3>Will my basic insurance pay for them?<\/h3>\n<p>Probably not under the standard obesity rules. As noted above, the University Hospital Zurich states that people who have had bariatric surgery are not entitled to reimbursement of Wegovy or Mounjaro under the obesity conditions. Different rules apply when such medicines are prescribed for type 2 diabetes. Ask your doctor to check your situation and, if needed, your insurer before starting.<\/p>\n<h3>Are there specific risks after surgery?<\/h3>\n<p>These medicines slow stomach emptying and reduce appetite, so nausea, vomiting and constipation are common at the start, and eating enough protein becomes even harder. Your dietitian should adapt your plan, and blood tests should continue. Do not buy these medicines online or abroad without a prescription: falsified products circulate, and Swissmedic has repeatedly warned against them.<\/p>\n<h3>Are medicines a replacement for habits?<\/h3>\n<p>No. They are a tool on top of the foundations: structured eating, activity, follow-up and mental health. When medicines are stopped, appetite usually returns, so the habits you build during treatment matter for what happens afterwards.<\/p>\n<h2 id=\"life-stages\">Pregnancy, menopause, ageing and other life events<\/h2>\n<h3>Does pregnancy affect long-term weight?<\/h3>\n<p>Pregnancy is possible and often easier after weight loss, but it should be planned, generally not before 12 to 18 months after surgery, with nutritional monitoring throughout. Weight gained during pregnancy can be harder to lose afterwards. Medespoir&rsquo;s page on <a href=\"https:\/\/www.medespoir.ch\/grossesse-apres-sleeve.php\">pregnancy after a sleeve<\/a> covers this in French. Tell your gynaecologist about your surgery from the start.<\/p>\n<h3>What about menopause?<\/h3>\n<p>Menopause changes body composition: fat tends to increase around the waist and muscle and bone mass decrease. After bariatric surgery, this adds to the existing risk of bone loss. Strength training, enough protein, calcium and vitamin D, and a discussion with your gynaecologist about bone health and hormone therapy are particularly important.<\/p>\n<h3>And ageing in general?<\/h3>\n<p>From your fifties onwards, muscle loss accelerates, and new illnesses and medicines appear. Keep moving, keep your strength, keep your blood tests, and tell every new doctor about your operation, especially before surgery, a new medicine or an endoscopy. After a bypass, some medicines are absorbed differently and certain painkillers such as anti-inflammatory drugs are generally avoided because of the risk of ulcers.<\/p>\n<h3>What if I stop smoking?<\/h3>\n<p>Stopping smoking is one of the best decisions for your health, and it lowers the risk of ulcers after a bypass. It can cause a few kilos of weight gain; plan for it with your dietitian rather than delaying your decision. Nicotine replacement and other aids can be discussed with your doctor.<\/p>\n<h3>And when life gets in the way?<\/h3>\n<p>A new job, a baby, a move, an illness or a separation often explain a period of regain. These are the moments to ask for help early, rather than waiting until the situation calms down. Your team has seen it before.<\/p>\n<h2 id=\"tunisia\">Organising long-term follow-up after surgery in Tunisia<\/h2>\n<h3>Who follows me after I return to Switzerland?<\/h3>\n<p>The Medespoir package includes remote follow-up after your return to Switzerland. For physical examinations, blood tests and prescriptions, you need a doctor in Switzerland. The best arrangement is to identify a family doctor before you travel, explain your plan and agree on the schedule of visits and blood tests. Some people also ask a Swiss obesity centre or an endocrinologist to join their long-term follow-up, particularly if they have diabetes or other conditions.<\/p>\n<h3>Which documents should I keep?<\/h3>\n<ul>\n<li>The operative report, which Medespoir provides, describing exactly what was done.<\/li>\n<li>The discharge letter and prescriptions.<\/li>\n<li>Your pre-operative and post-operative blood tests.<\/li>\n<li>A weight curve: your weight before surgery, at discharge and at each visit.<\/li>\n<li>A list of your vitamins and medicines with doses.<\/li>\n<\/ul>\n<p>Consultation and medical documents in Tunisia are in French. If your Swiss doctor works in German or English, most will read a French report without difficulty; keep a summary of the key points in your own language too.<\/p>\n<h3>Will my Swiss doctor follow up surgery done abroad?<\/h3>\n<p>Yes. Consultations, blood tests and medically necessary treatment in Switzerland are covered by basic insurance under the usual deductible and retention fee, wherever the operation took place. Swiss doctors regularly care for patients operated abroad; what helps them most is a complete operative report and clear information about which operation you had.<\/p>\n<h3>What if I move away from Switzerland?<\/h3>\n<p>Many expatriates move on after a few years. Take all your documents with you, and find a doctor in your new country quickly. Lifelong follow-up does not end at the border; vitamins and blood tests are needed wherever you live.<\/p>\n<h3>What does the stay in Tunisia involve?<\/h3>\n<p>Medespoir&rsquo;s <a href=\"https:\/\/www.medespoir.ch\/sejour.php\">stay page<\/a> describes the organisation in French. The package includes the consultation before surgery, examinations, the operation, hospital stay, hotel with full board for you and one companion, transfers and remote follow-up after your return. There are direct flights from Geneva and Basel-Mulhouse, of about two hours. Medespoir&rsquo;s pages on the <a href=\"https:\/\/www.medespoir.ch\/sleeve.php\">sleeve<\/a> and the <a href=\"https:\/\/www.medespoir.ch\/bypass.php\">gastric bypass<\/a> describe the operations.<\/p>\n<h2 id=\"cases\">Four typical situations<\/h2>\n<h3>Case 1: Sophie, Geneva, five years after a sleeve<\/h3>\n<p>Sophie lost a lot of weight in the first eighteen months, then regained a few kilos in the following three years. She has stopped her vitamins and now has heartburn at night. Her family doctor finds low vitamin D and iron, and refers her to a gastroenterologist for an endoscopy because of the reflux. With a dietitian, she returns to regular meals and protein first, starts strength training twice a week and resumes her supplements. Her weight stabilises. The reflux is treated with medication and monitored; conversion to a bypass will be discussed only if it persists.<\/p>\n<h3>Case 2: Mark, Zurich, regain after a job change<\/h3>\n<p>Four years after a bypass, Mark takes on a job with long hours and frequent travel. He skips breakfast, snacks at his desk and drinks more at business dinners. He has regained a significant amount of weight. His doctor checks his blood tests and medicines and finds nothing abnormal. A psychologist helps him with stress and evening snacking, and he plans meals for travel days. Six months later, his weight has stopped rising, and he has lost part of what he regained.<\/p>\n<h3>Case 3: Fatima, Basel, ten years after a bypass<\/h3>\n<p>Fatima has kept a stable weight for years. At her ten-year check-up, her doctor finds iron deficiency and low vitamin B12, which explain her tiredness. She has taken her multivitamin irregularly. The deficiencies are treated, and her doctor discusses a bone density scan because she is approaching menopause. Her weight is not the issue; her follow-up is what keeps her healthy.<\/p>\n<h3>Case 4: James, Lausanne, considering surgery<\/h3>\n<p>James, a British expatriate, is considering a sleeve in Tunisia. Before asking for a quote, he talks to his family doctor about follow-up, finds out which blood tests are needed and when, and asks whether a dietitian near his home can see him. Because he has reflux, the surgeon will assess whether a bypass is more suitable. He knows that the operation is the start of a lifelong plan, not the end of the problem.<\/p>\n<h2 id=\"costs\">Price and Swiss insurance<\/h2>\n<h3>How much does bariatric surgery cost in Tunisia?<\/h3>\n<p>Bariatric surgery in Tunisia is significantly cheaper than in Switzerland; the exact price is given in a free personal quote in your name. The quote covers the operation and the stay; follow-up visits, blood tests and vitamins in Switzerland, as well as flights and travel insurance, are additional and should be part of your long-term budget.<\/p>\n<h3>Does Swiss basic insurance pay for bariatric surgery?<\/h3>\n<p>In Switzerland, basic insurance can cover bariatric surgery in recognised centres when the criteria of the Health Care Benefits Ordinance are met. It does not reimburse surgery performed abroad as a planned treatment, except in specific cases. Follow-up care in Switzerland after surgery abroad is a different matter: medically necessary consultations and tests are covered under the usual conditions.<\/p>\n<h3>Can I compare Tunisia and Turkey?<\/h3>\n<p>Both destinations remain significantly cheaper than Switzerland, and the quote can compare them. Medespoir confirms only hair transplants in Turkey; for bariatric surgery, the quote states whether it is possible there and where.<\/p>\n<p><em>This article provides general information and does not replace a medical consultation. If you have symptoms such as severe abdominal pain, persistent vomiting, black stools or fainting, seek medical care immediately.<\/em><\/p>\n<p><strong>Planning surgery with the long term in mind?<\/strong> Request your <a href=\"https:\/\/www.medespoir.ch\/devis.php\">free personal quote<\/a> and tell us how you plan your follow-up in Switzerland. The quote is personal, in your name and free.<\/p>\n<h2 id=\"sources\">Sources<\/h2>\n<ul>\n<li>Adams T. D. et al., Weight and metabolic outcomes 12 years after gastric bypass, <em>New England Journal of Medicine<\/em>, 2017: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28930514\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>SM-BOSS: Long-term outcomes of laparoscopic Roux-en-Y gastric bypass vs laparoscopic sleeve gastrectomy for obesity, <em>JAMA Surgery<\/em>, 2025: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39969869\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Ryder J. R. et al., Ten-year outcomes after bariatric surgery in adolescents (Teen-LABS), <em>New England Journal of Medicine<\/em>, 2024: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39476348\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Swissmedic, warning about falsified Ozempic pens, July 2023: <a href=\"https:\/\/www.swissmedic.ch\/swissmedic\/en\/home\/humanarzneimittel\/market-surveillance\/medicinal-products-from-the-internet\/warnings-related-to-medicinal-products-from-the-internet\/smc-warnt-vor-faelschungen-von-ozempic-pens.html\">swissmedic.ch<\/a><\/li>\n<li>SLEEVEPASS: Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years, <em>British Journal of Surgery<\/em>, 2025: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40613787\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>International expert consensus on definitions and management of weight recurrence and suboptimal response after metabolic and bariatric surgery: a Delphi study, <em>Surgery for Obesity and Related Diseases<\/em>, 2026: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41963214\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Abdallah H. et al., GLP-1 receptor agonists for insufficient weight loss or weight regain after bariatric surgery, <em>Obesity Surgery<\/em>, 2025: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40913138\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>GLP-1 receptor agonists in the management of post-bariatric weight regain and dysglycemia: systematic review and meta-analysis, <em>Cureus<\/em>, 2026: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41769499\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Metabolic adaptation and weight regain in obesity treatment, <em>Nutrients<\/em>, 2026: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/42280368\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Bond D. S. et al., Exercise for counteracting weight recurrence after bariatric surgery: systematic review and meta-analysis of randomized controlled trials, <em>Surgery for Obesity and Related Diseases<\/em>, 2023: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36624025\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Bartholomay E. M. et al., Sociodemographic factors related to bariatric follow-up appointment attendance and weight outcomes, <em>Surgery for Obesity and Related Diseases<\/em>, 2024: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39256114\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>Self-management after bariatric surgery: support group participants versus individual dietary follow-up, <em>Obesity Surgery<\/em>, 2023: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36645557\/\">pubmed.ncbi.nlm.nih.gov<\/a><\/li>\n<li>SMOB, Guidelines for the surgical treatment of obesity (version of July 2023): <a href=\"https:\/\/www.smob.ch\/guidelines-for-the-surgical-treatment-of-obesity\/\">smob.ch<\/a><\/li>\n<li>SVDE and ALLOB, position paper on Wegovy and Mounjaro, January 2026: <a href=\"https:\/\/svde-asdd.ch\/wp-content\/uploads\/2026\/02\/2026_01_28_Positionspapier-Wegovy-Mounjaro.pdf\">svde-asdd.ch<\/a><\/li>\n<li>University Hospital Zurich, drug therapy for overweight and obesity: <a href=\"https:\/\/www.usz.ch\/en\/?p=235852\">usz.ch<\/a><\/li>\n<li>World Health Organization, physical activity fact sheet: <a href=\"https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/physical-activity\">who.int<\/a><\/li>\n<li>Medespoir (in French): <a href=\"https:\/\/www.medespoir.ch\/guide-chirurgie-obesite.php\">obesity surgery guide<\/a>, <a href=\"https:\/\/www.medespoir.ch\/sleeve.php\">sleeve<\/a>, <a href=\"https:\/\/www.medespoir.ch\/bypass.php\">gastric bypass<\/a><\/li>\n<\/ul>\n<h2 id=\"faq\">Frequently asked questions<\/h2>\n<h3>How much weight do people keep off ten years after a sleeve or bypass?<\/h3>\n<p>In the Swiss SM-BOSS trial, total weight loss beyond ten years averaged about a quarter of initial body weight after both operations.<\/p>\n<h3>Is it normal to regain weight two years after surgery?<\/h3>\n<p>A modest regain after the lowest weight is normal. Steady or rapid regain is a reason to contact your team.<\/p>\n<h3>How long do I need follow-up?<\/h3>\n<p>For life. Swiss guidelines require a commitment to lifelong follow-up, with at least yearly visits and blood tests after the first years.<\/p>\n<h3>Do I need vitamins forever?<\/h3>\n<p>Yes, in most cases. Swiss guidelines recommend long-term supplements after a band, sleeve or bypass, and lifelong supplements after malabsorptive surgery.<\/p>\n<h3>How much exercise should I do?<\/h3>\n<p>At least 150 to 300 minutes of moderate activity per week, plus strength training on two or more days, as recommended by the WHO.<\/p>\n<h3>Can I take Wegovy or Mounjaro after bariatric surgery?<\/h3>\n<p>Specialists may prescribe them for regain, but under current Swiss obesity rules, basic insurance does not reimburse them after bariatric surgery.<\/p>\n<h3>Are support groups useful?<\/h3>\n<p>Many patients find them helpful, and studies suggest better self-management among participants. Ask your bariatric centre or Self-help Switzerland.<\/p>\n<h3>Will a Swiss doctor follow me after surgery in Tunisia?<\/h3>\n<p>Yes. Bring your operative report and blood tests; follow-up care in Switzerland is covered by basic insurance under the usual conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What happens to weight in the years after a sleeve or bypass, why some weight comes back, what follow-up at five and ten years involves, how exercise and support groups help and what to do if relapse starts.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[],"class_list":["post-12770","post","type-post","status-publish","format-standard","hentry","category-tunisia-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Keeping weight off after bariatric surgery in Tunisia<\/title>\n<meta name=\"description\" content=\"Keeping weight off after bariatric surgery 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