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A person starting Wegovy (a prescription weight-loss drug) wrote that after their first month they have had very strong appetite loss and ongoing side effects. They began on the usual low dose and moved up to the next dose after four weeks. Since increasing, they say they can barely eat, have almost constant nausea, and had a severe stomach/intestinal episode after one of the early doses that included sulfur burps, three days of diarrhea, cramps and vomiting. They’re asking for advice because these effects feel extreme and are interfering with their ability to eat. Wegovy’s active ingredient is semaglutide. That’s a man-made copy of a gut hormone your body makes naturally that helps control appetite and blood sugar. In plain terms, semaglutide tells parts of the brain “you’re full” and slows how fast your stomach empties. It’s given as a once-a-week injection at gradually increasing doses to let people’s bodies adapt. It’s approved by regulators for chronic weight management in people who meet certain medical criteria. What this report shows is a single patient’s experience, not a clinical trial. Clinical studies of semaglutide/Wegovy do show that reduced appetite and nausea are common side effects, especially when doses are increased. But in trials most people tolerate that by stepping up slowly and the symptoms often lessen over time. Severe gastrointestinal events (like vomiting and prolonged diarrhea) are less common but do happen and can be serious in individual cases. Because this is one person’s post, we can’t know how typical their course will be or whether there are other causes (interactions with other meds, underlying GI issues, infection, etc.). Why this matters is practical: many people start drugs like Wegovy hoping for weight loss, but they also need to know how to recognize when side effects are expected and manageable versus when they are harmful. If someone can’t keep enough food or fluids down, they risk dehydration, electrolyte problems, and malnutrition. Anyone starting semaglutide should have clear instructions from their prescriber about dose ramps, what side effects are common, and when to call their clinician. People with preexisting digestive problems, eating disorders, or certain other medical conditions may need extra caution or a different approach. Caveats: this is an anecdote, not proof that Wegovy commonly causes severe reactions. The drug is FDA-approved and many patients do benefit, but it’s not risk-free. Known side effects include nausea, vomiting, diarrhea, constipation, abdominal pain, and decreased appetite; rare but serious problems can include pancreatitis, gallbladder disease, and severe dehydration. Anyone with severe, prolonged, or worsening symptoms should contact their prescriber or seek urgent care. Don’t stop or change doses without checking with the clinician who prescribed it, because they can advise whether to pause, lower the dose, or investigate other causes. Bottom line: strong appetite suppression and nausea are expected with Wegovy for some people, but prolonged vomiting or inability to eat are warning signs that need medical follow-up.
Source: r/Semaglutide