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You tried semaglutide before to lose weight, had bad side effects when you started on too-high doses, stopped, tried again at a lower dose but still got sick and stopped. Now you’re 65, have gained more weight, and want to try semaglutide again but are worried about tolerability and what to expect. Semaglutide is the active drug in brand-name medicines like Ozempic and Wegovy. It’s a lab-made copy of a natural gut hormone that helps regulate appetite and digestion. In plain terms, it makes you feel less hungry, can help you feel full faster, and slows how quickly your stomach empties. Doctors use it to treat type 2 diabetes and, at different doses, for long-term weight loss. Most of the evidence for semaglutide’s weight-loss effect comes from large, controlled clinical trials in people. Those studies show many people lose significant weight when they stay on the drug and follow diet/behavioural support. But the rates of feeling sick—nausea, vomiting, diarrhea, stomach pain—are also higher on semaglutide than on placebo. In trials, these side effects tend to be worst when doses are increased too quickly. That’s why doctors usually start at a low “starter” dose for several weeks and then slowly raise it. People who skip or speed through the starter dose are more likely to have bad symptoms, which sounds like what happened to you. Why it matters to you now: semaglutide can be a useful tool for reducing weight and improving metabolic health, especially if lifestyle changes alone haven’t worked. But your past intolerance is important information. There are several possible ways to try again safely: restarting with the lowest dose and sticking to a slow, stepwise increase; working with a clinician who can advise on anti-nausea strategies; changing how you take it (with food, adjusting timing); or switching to a different medication if necessary. At age 65, a clinician will also consider other medicines you take, stomach issues, and overall health before recommending a re-trial. Important caveats: side effects are common and can be severe enough to stop the drug. Long-term safety signals are still being monitored, though many people tolerate it well when dosed properly. Semaglutide should only be used under medical supervision—don’t restart it on your own, especially after previous bad reactions. People with a history of certain thyroid or pancreatic problems, or severe gastrointestinal disease, may be told not to use it. If you’re on other medications, interactions or overlapping side effects can matter. Finally, weight often returns once the drug is stopped, so think about plans for maintenance and lifestyle support. Bottom line: Semaglutide can work for weight loss, but your earlier intolerance is a real issue—talk to a doctor about a careful restart plan, slow dose increases, and alternatives before trying it again.
Source: r/Semaglutide