Common mistakes around weight loss injections (GLP-1 receptor agonists like semaglutide or liraglutide) include unrealistic expectations, improper use, and lack of follow-up. Many expect rapid, effortless weight loss without lifestyle changes, but these drugs are approved only as adjuncts to a reduced-calorie diet and increased physical activity. Another mistake is self-adjusting doses or stopping abruptly without medical supervision, which can lead to side effects such as nausea, vomiting, pancreatitis, or gallstones. It is also often overlooked that weight regain is common after discontinuation if sustainable habits are not established. Confusing these injections with dietary supplements or using them without a prescription (e.g., for mild overweight) is problematic. Evidence from clinical trials (e.g., STEP program) shows significant weight loss but also frequent gastrointestinal side effects. Importantly, these are prescription medications that require medical oversight. A further misconception is that the injection alone suffices – without dietary changes and exercise, the effect is limited. In summary, the weight loss injection is not a miracle cure but a tool that must be used correctly.
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