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  • Writer's pictureYuchi Song

Weight Loss Drugs Deep Dive: Side Effect Concerns, Efficacy Issues, and the Challenge of Weight Regain

From Side Effects such as Gastrointestinal Discomfort and Fatigue, to Variability in Efficacy, and 6 Strategies to Prevent Weight Regain


An overweight man feels fatigue during work out

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In the past few years, GLP-1 medicines like Ozempic, Wegovy, Mounjaro, and Zepbound have become more popular for helping people manage their weight. These drugs work by making your stomach empty food more slowly and making you feel less hungry, which helps you eat less. However, every coin has two sides. As these medicines get more attention, people are starting to talk more about their side effects, how well they work, and what happens when you stop taking them. Let’s look into what’s new with these issues.


Side Effects of Ozempic and Cousins: GI Discomfort, Fatigue, and No Evidence of Suicidal Thoughts


In January 2024, the U.S. Food and Drug Administration (FDA) announced that it has been investigating reports of suicidal thoughts or actions in patients using GLP-1 receptor agonists, such as Ozempic, Wegovy, Mounjaro, and Zepbound. These medications are used for treating type 2 diabetes and aiding weight loss in individuals with obesity. Despite detailed evaluations of these reports and clinical trial data, the FDA has found no clear evidence linking these medications to suicidal thoughts or actions. However, due to the limited occurrences of such thoughts in users and controls, a definitive conclusion cannot be reached, and the FDA continues to assess the risk through further analysis of clinical trials and post marketing data.


This FDA investigation has sparked another round of discussion regarding the safety of medications like Ozempic. For those considering this treatment path, it’s important to recognize the potential side effects. These drugs work by slowing gastric emptying and affecting hormone pathways related to hunger, which naturally leads to a reduction in appetite. Common gastrointestinal side effects include nausea, vomiting, diarrhea, and constipation. These symptoms are typically mild and often signs that your gastrointestinal system is adjusting to the new regimen. Many people find that these side effects lessen over time as their body becomes accustomed to the medication.


In addition to these symptoms, some individuals may experience fatigue or dizziness, which can be attributed to a dramatic decrease in caloric intake. This happens because you're essentially eating much less than before. It’s a natural response of the body as it adapts to fewer calories and altered energy sources. While these symptoms may be uncomfortable, they are not unusual or unexpected given how the drugs function.


Important Disclaimer: Although these medications are effective for many, it's crucial to consult with a healthcare professional to ensure that they are safe and suitable for your specific health needs. Always discuss any side effects or concerns with your doctor to make sure your treatment plan is working well for you and to address any health issues that may arise.


Efficacy: Variability Exists, Lifestyle Changes Needed


While Ozempic and similar drugs are effective for many in managing weight, their efficacy varies among individuals. Usually drugs like Ozempic can shed 15% to 20% body weight, yet it is affected by factors such as initial body weight, lifestyle, and adherence to the medication regimen. In addition, current research is exploring how genetics may impact individual responses to these drugs, with ongoing studies like those conducted by Mass General Brigham aiming to provide clearer insights.


Moreover, lifestyle choices significantly influence the success of these medications. Those who combine the treatment with a healthy diet and regular exercise typically see better results. It’s important for users to understand that these drugs are not standalone solutions but part of a broader strategy that includes dietary changes and physical activity.


Despite concerns about efficacy, it's worth noting that even modest weight loss with these drugs can lead to significant health improvements, such as better blood sugar control and reduced cardiovascular risks. The effectiveness of GLP-1 medicines, therefore, should be assessed not only by weight loss but also by these broader health benefits.


Weight Regain After Ozempic: 6 Strategies to Keep It Off


Many individuals choose to stop using weight loss drugs due to various factors such as the high cost of these medications, intolerance to side effects, or a preference not to rely on long-term medication use. As highlighted in the Wall Street Journal on May 8, 2024, in the article "The Quest for Treatments to Keep Weight Off After Ozempic," discontinuing these drugs often leads to a significant challenge: weight regain. This rebound effect is a substantial issue, prompting both ongoing research and the development of new strategies to help people maintain their weight loss.


6 Strategies to Maintain Weight Loss:


Develop Sustainable Eating Habits: Transition to a balanced, nutrient-rich diet that is sustainable over the long term. Avoid drastic diets that are difficult to maintain, which can lead to rapid weight regain.

 

Increase Physical Activity: Consistent physical activity, combining cardiovascular exercises with strength training, is essential to maintain muscle mass and metabolic rate, helping to prevent weight regain.


Behavioral Changes: Continue or adopt healthy behaviors such as mindful eating, keeping a food diary, and setting realistic goals. These habits can significantly support weight maintenance efforts.


Regular Monitoring and Psychological Support: Keeping track of your weight and seeking psychological support can address emotional eating and other psychological challenges related to weight management.


Consider Surgical Options: Weight loss surgery can be a more permanent solution for maintaining weight loss. Procedures such as gastric bypass or sleeve gastrectomy can provide lasting results, but they require careful consideration and consultation with a healthcare professional to understand the potential benefits and risks.


Explore Longer-Lasting Drug Options: Companies are developing new formulations of weight management drugs, including oral versions and long-acting injections that can last up to five months. These could offer more convenient alternatives to daily or weekly injections and help sustain weight loss over longer periods.


By understanding the reasons behind the discontinuation of weigh loss medications and employing a comprehensive approach to weight maintenance, individuals can enhance their ability to sustain health gains and prevent weight rebound.

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