Week 5 on Wegovy and no weight loss yet — is that normal?

The dose you are on at week 5 is designed for adjustment, not peak effect

Wegovy's licensed titration schedule starts at 0.25 mg for the first four weeks, then moves to 0.5 mg. Week 5 puts you right at the beginning of that second rung. The 0.25 mg starting dose exists primarily to reduce the chance of nausea and other gastrointestinal discomfort, it is a settling-in dose, not one calibrated to drive significant weight reduction. The 0.5 mg dose is similarly a stepping stone on the way to 1.7 mg and ultimately 2.4 mg (or the recently approved 7.2 mg option for some patients), which are where the bulk of the trial evidence sits.

The STEP 1 trial, published in the New England Journal of Medicine, followed participants for 68 weeks and recorded an average body-weight reduction of around 15% at 2.4 mg. The meaningful reductions in that dataset accumulated over many months, not over the first five weeks. So if the number on your bathroom scales looks identical to the day you started, that is not evidence the treatment is wrong for you, and our page on 5 weeks on Wegovy with no weight loss explains why it may simply mean you are where the protocol expects you to be.

You can read more about how much Wegovy weight loss per week patients typically see, and how that figure shifts as the titration progresses, on our dedicated overview page.

Other reasons weight might stall this early, and which ones matter

Beyond dose timing, a few practical factors can suppress visible progress in the first month or so. Fluid retention is a big one. The body holds onto water in response to dietary changes, inflammation and hormonal cycling, for people who menstruate, the timing of a weigh-in relative to their cycle can account for a swing of 2 kg or more. That is real weight, but it is not fat, and it tends to resolve.

Calorie intake is worth an honest look too. Wegovy reduces appetite, but it does not eliminate it, and early in titration the appetite-suppressing effect is partial. Some people find they are eating somewhat less without tracking it; others find stress, social eating or habit keeps intake higher than they realise. The NHS guidance on semaglutide is clear that the medicine works alongside a reduced-calorie diet and increased physical activity, not instead of them.

Sleep quality and stress levels also affect the hormones that regulate appetite and fat storage. These are not minor lifestyle footnotes, they interact directly with the mechanisms Wegovy targets. If several of these factors are stacking up at once, it explains why week 5 can feel stuck even when the treatment is working as intended at the biochemical level.

For a broader look at typical timelines (including what progress at six weeks tends to look like) our Wegovy six-week weight loss page covers what the evidence suggests and what to watch for.

When no movement at week 5 should prompt a conversation with your prescriber

Most of the time, week 5 with minimal scale movement is simply early days. But there are situations where it is worth raising with a clinician rather than waiting. If you are experiencing no appetite reduction whatsoever (eating exactly as before, with no nausea or fullness signals) that can sometimes indicate an issue with injection technique, storage, or a very individual response to the lower doses. The pen needs to be kept refrigerated, typically in the fridge door, and should be brought to room temperature before use; the patient information leaflet sets out the exact storage requirements and should always be your reference for this.

It is also worth a conversation if you have a pre-existing condition that might be interacting with the treatment, or if you have recently started or stopped another medicine. Your prescriber can review the full picture in a way a search engine cannot.

What it is not worth doing is switching medicines, stopping abruptly, or increasing your dose without clinical guidance. Dose escalation on Wegovy follows a schedule for good reasons, jumping ahead raises the risk of side effects without necessarily improving results. Our guide to Wegovy weight loss by week shows how the rate of weight loss varies considerably between individuals, and a clinician reviewing your case can tell you whether your trajectory is within normal range or whether something genuinely needs adjusting.

If you started on Wegovy through another provider and have questions about your progress, our Wegovy treatment page explains how our clinical review process works, and our FAQs address many of the questions we hear most often about early weeks on treatment. When you are ready to speak to a prescriber, you can check your eligibility and start a free consultation.