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A person posted that after about nine months on Wegovy (1 mg dose) and losing roughly 9–10 kg, they started getting sports injuries for the first time in years of being active. They describe pulling their back doing a core exercise, injuring both inner-thigh muscles (adductors), and imply a pattern of more frequent strains since starting the drug. This is a single-person report from an online thread, not a controlled study. Wegovy is the brand name for semaglutide when used for weight loss. Semaglutide is a drug that mimics a natural gut hormone that helps control appetite and how full you feel, and it slows stomach emptying. It’s not a steroid or a muscle-building drug; it mainly changes appetite, weight, and blood-sugar signals. People take it by injection under the skin under a doctor’s supervision for chronic weight management. What the post shows is anecdote, not proof. It’s one person saying they had more muscle strains after losing weight on Wegovy. There are plausible reasons this could happen, but the post doesn’t prove cause and effect. Weight loss can change how your body moves and carries load, which can temporarily strain muscles and tendons. Rapid loss of mass, changes in activity type or intensity, reduced muscle mass, or even lower energy intake can all increase injury risk. On the other hand, large controlled trials of semaglutide did not flag a clear, widespread increase in sports injuries as a known side effect, though individual experiences vary. Without systematic data (like a study comparing many users and non-users), we can’t know whether Wegovy itself raised this person’s injury risk. Why this matters: lots of people using Wegovy want to stay active and avoid setbacks from injuries. If weight loss changes your movement patterns or you lose muscle strength faster than fat, your injury risk can rise. Athletes, people who do high-intensity exercise, or anyone starting new workouts while losing weight should be especially aware. The practical takeaway is to monitor how your body feels, ease into new or intense movements, prioritize strength training to preserve muscle, and consider working with a coach or physical therapist when your body changes. Caveats and risks: this is one user’s report, not medical proof. Semaglutide’s known common side effects are nausea, diarrhea, constipation, and sometimes low appetite; musculoskeletal complaints have been reported but aren’t consistently shown to be caused by the drug itself. Other reasons for injuries include training errors, insufficient recovery, altered biomechanics after weight loss, or nutritional deficits. If you’re on Wegovy and notice more strains or pain, talk to your prescribing clinician. Don’t stop a prescribed medication without medical advice. Bottom line: an individual reported more sports injuries after losing weight on Wegovy, which is plausible for several non-drug reasons, but this single report doesn’t prove the drug causes injuries.
Source: r/Semaglutide