Are You Supposed to Keep Wegovy in the Fridge?

Step 1: Getting your pen home and into storage correctly

Wegovy arrives with next-working-day tracked delivery, kept cold for the journey. The moment it lands with you, the pen goes straight into the fridge. Aim for the middle shelves rather than the door, where temperatures can fluctuate each time you open it, and keep it well away from the freezer compartment at the back or top. Freezing destroys the medicine, a pen that has turned icy must be thrown away, full stop.

The ideal range is 2°C to 8°C. Most household fridges sit comfortably in that bracket, but if yours runs warm or you have any doubt, a small fridge thermometer costs less than a pound at most supermarkets. The NHS guidance on semaglutide storage confirms this temperature range, you can read it on the NHS semaglutide medicines page.

If you want a thorough answer to whether you keep Wegovy in the fridge and why that matters, we have covered all the reasoning in a dedicated guide. Keep the pen in its original carton until you use it; the packaging protects it from light as well as physical damage. And one practical note: storing it alongside the milk is fine, but keep it upright so the liquid settles correctly. A brief routine check when you do the weekly shop is a sensible habit.

Step 2: Taking the pen out before your injection

Cold medicine injected straight from the fridge can sting more than necessary. Many people find it more comfortable to let the pen warm to room temperature for 15 to 30 minutes before injecting, set it on a clean surface, away from direct sunlight or radiators. Do not try to warm it by running it under hot water or placing it near a heat source; that is exactly the kind of rapid temperature change that can compromise the medicine.

This pre-injection warm-up period does count toward your overall room-temperature window, so keep an eye on the time. Your Patient Information Leaflet states the exact number of hours and days the pen must be kept in the fridge and for how long it can safely be outside it, refer to it rather than relying on any general figure you may have seen online, because individual product versions can differ.

Once the pen has warmed and you are ready, check the liquid through the viewing window. It should be clear and colourless to slightly yellow, with no visible particles. If anything looks off, do not inject, contact your prescriber or our aftercare team for guidance.

Step 3: Managing storage away from home, holidays, commutes and the unexpected

Travelling with Wegovy is very manageable with a little planning. For short trips (a day out, a commute, a working lunch) the pen can stay in your bag as long as the total time outside the fridge stays within the room-temperature limit in your leaflet. For overnight trips or anything longer, our guide on whether you can keep Wegovy out of the fridge explains what is safe and for how long, including practical tips for using a small cooling case without risking freezing the medicine.

Flying abroad raises a separate practical question. Keep the pen in your carry-on baggage, never in the hold where temperatures can drop sharply. Airport security will want to see it; carrying your prescription or a letter from your prescriber avoids delays at the gate. If you are taking Wegovy as part of a longer weight-loss journey and want to read more about what that involves, the Wegovy overview page covers the full picture.

Power cuts at home do happen. If your fridge loses power for a few hours and stays cool, the pen is almost certainly fine. If it has been warm for an extended period and you are not sure, check the room-temperature rule in your leaflet, and when in doubt, call our prescribers rather than guessing. Questions about storage come up regularly, and there is no such thing as a question too small when it involves a medicine you are relying on.

For a full read on what happens if your pen has been unrefrigerated for longer than you are sure about, the detailed guide to how long Wegovy can be kept out of the fridge covers the specifics. Those with questions about the wider category of injectable weight-loss medicines may also find our semaglutide refrigeration guide useful, which looks at the same principles across different branded presentations.

Using, disposing and what to do if something goes wrong

After each injection, the used needle must be removed and placed in an approved sharps container immediately, not into the household bin or recycling. UK rules are clear on this. Most councils collect sharps containers free of charge; your GP surgery or local pharmacy can advise on the nearest drop-off point.

The pen itself is single-use. Once you have administered your weekly dose, the pen is finished and ready to dispose of according to your local council's guidance for medical waste.

Side effects from Wegovy are mostly gastrointestinal in nature, nausea, loose stools, or an unsettled stomach are common in the early weeks as your body adjusts. Severe, persistent abdominal pain that spreads toward your back is different and warrants urgent medical attention; the MHRA has highlighted acute pancreatitis as an infrequent but serious risk with GLP-1 medicines, flagged in their Drug Safety Update. Report any suspected side effect via the Yellow Card scheme, it takes a few minutes and contributes to the national safety picture for everyone on these medicines.

If you are not yet on Wegovy and are thinking about whether it could be right for you, a clinical assessment is the first step. You can check your eligibility with our prescribers, there is no charge for the consultation.