Practical tips for taking Wegovy and getting the most from your treatment

Choosing your injection day, site, and routine

Pick one day of the week and stick with it. That consistency matters because Wegovy's active period is built around a seven-day cycle, and drifting by two or three days can make the medicine feel uneven. Most people anchor it to something reliable, the same evening as their weekly shop, or a Sunday before the working week starts.

Rotate between the three licensed injection sites: the abdomen (avoiding a couple of centimetres around the navel), the front of the thigh, and the outer upper arm. Using the same spot repeatedly can cause localised skin reactions. A simple mental rotation (abdomen one week, thigh the next) removes the guesswork entirely. How you take Wegovy day to day covers technique in more detail if you want a step-by-step guide.

Before you inject, let the pen sit at room temperature for around 30 minutes. Cold medicine from the fridge is more likely to sting, and this one habit is consistently among the things patients say they wish they had been told at the start, so our page of tips when taking Wegovy is worth reading before your first injection. Check your Patient Information Leaflet for the exact room-temperature window; it is limited, and the pen must go back into the fridge once that window closes.

Eating in a way that reduces nausea and protects your progress

Nausea during the first few weeks of semaglutide treatment is not a sign something is wrong, it is the medicine doing its job on gastric emptying, and it settles for most people within one to two weeks of each dose level. But what you eat can either amplify it or take the edge off it considerably.

Smaller meals, eaten slowly, are the single most consistent piece of feedback from people on treatment. Very fatty or heavily spiced food tends to worsen nausea, as does eating past the point of feeling satisfied, which the medicine itself makes easier to avoid over time. High-protein choices help preserve muscle mass as weight changes, and staying well hydrated matters particularly if you experience any diarrhoea or vomiting in the early weeks.

Alcohol is worth moderating. It adds empty calories and can worsen GI symptoms on treatment. NHS guidance on semaglutide recommends eating slowly, choosing smaller portions, and avoiding lying down immediately after meals, all straightforward adjustments that compound over weeks, and you will find plenty more practical Wegovy tips covering everyday habits that help things go smoothly. You can read the specific weight-loss tips for people on Wegovy for more on what to focus on nutritionally while your appetite adjusts.

Side effects worth knowing about, and when to act

The most common side effects are gastrointestinal: nausea, constipation, diarrhoea, indigestion, and reflux appear in the clinical trial data and in real-world use. They are most noticeable after starting or stepping up to a new dose, and they generally settle. Injection-site reactions (mild redness or itching) are also common and usually brief.

A smaller number of people experience headache, fatigue, or dizziness, particularly early on. Staying hydrated and not skipping meals entirely (appetite suppression can sometimes tip into under-eating) helps with this.

Some symptoms need medical attention. The NHS lists severe or persistent stomach pain, especially if it radiates to the back, as something to act on promptly, this can be a sign of pancreatitis, a recognised but uncommon side effect of GLP-1 medicines. Signs of an allergic reaction, symptoms of gallbladder problems, or significant mood changes should also prompt you to contact a clinician. Our FAQs address common questions about managing side effects, and you can report any suspected side effect directly via the MHRA's Yellow Card scheme.

If you are using oral contraceptives, it is worth knowing that semaglutide can affect how medicines are absorbed from the gut during early treatment. Discussing whether an additional contraceptive method makes sense during the titration period is a sensible conversation to have with your prescriber; our page on desogestrel and Wegovy goes into this in more detail. For broader information on semaglutide as a medicine, the NHS semaglutide medicines page is a reliable starting point.

Keeping momentum beyond the first few months

Wegovy works most effectively alongside changes to diet and activity, the licence itself specifies use within a reduced-calorie diet and increased physical activity programme. That does not mean a punishing regime. It means that the appetite reduction the medicine provides is a window, and what you do with it matters.

Physical activity that includes some resistance work is worth prioritising. As body weight changes, muscle is at risk alongside fat; strength-focused movement protects that. Even modest amounts (two sessions a week) make a meaningful difference to body composition over a treatment period.

Dose increases are decided by your prescriber based on how you are tolerating the current level, not on a fixed calendar. Pushing ahead of that assessment, or stopping abruptly, both carry risks. Before any surgical procedure, tell your anaesthetist that you are taking semaglutide; gastric emptying changes affect anaesthetic risk. This is standard NHS England guidance for anyone on weight-management injections.

If you are wondering what treatment costs or how the private route compares to the NHS waiting list, our Wegovy cost page covers the landscape honestly. And if you are still exploring which medicine might suit you best, the weight-loss treatment overview sets out the options clearly. It is a lot to take in at once (that is understandable) and a prescriber can work through the specifics with you.