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Someone on Reddit asked for advice after accidentally leaving their Wegovy injection in a hot car for about 90 minutes. They were worried the medication might have been damaged and asked whether it was still safe or effective to use. The post doesn’t include any lab tests or a doctor’s reply—just the person’s concern and a request for guidance. Wegovy is a brand name for semaglutide, a drug used to help with long-term weight loss. It’s given as a prefilled injection that people keep refrigerated between uses. Semaglutide is a lab-made version of a hormone your gut makes after you eat that helps reduce appetite and slow stomach emptying. In short: it’s a refrigerated injectable that is meant to be stored cold until you need it. What the Reddit post shows is an everyday worry, not a scientific study. It’s a single anecdote about possible exposure to heat. The post itself doesn’t tell us the exact car temperature, whether the pen was exposed to direct sunlight, or how the pen looked afterward. Drug manufacturers provide storage instructions based on testing: most semaglutide pens say to keep them in the refrigerator but allow short periods at room temperature before use. However, those manufacturer limits (how long at what temperature) matter a lot for whether the drug stays stable. A Reddit post can’t replace those official instructions or a pharmacist’s advice. Why this matters: if a dose has been compromised by heat, you might get less benefit from the medication or, less commonly, irritation at the injection site if the formulation changed. People who rely on Wegovy for steady dosing and weight-management results want to know their doses are effective. Also, wasting a pen can be costly. So it’s practical to check storage guidance and, if unsure, contact the pharmacy or manufacturer for a clear ruling. Caveats and risks: don’t assume the drug is fine or ruined based only on time left in a car. The safe move is to consult the storage leaflet that came with the product or call the pharmacy/manufacturer; they can tell you the approved temperature range and how long it can be out of refrigeration. If the pen looks cloudy, discolored, or has particles, don’t use it. If you use an exposed dose and feel unusual side effects, seek medical advice. Also, Reddit posts reflect personal worries, not professional guidance, so they’re helpful for reassurance but not authoritative. Bottom line: check the official storage instructions or ask your pharmacist—don’t rely on the Reddit thread to decide whether to use the pen.
Source: r/Semaglutide