Can I stop Wegovy for a month — and what happens if you do?

You've been thinking about taking a month off. Here's what that actually looks like.

Maybe it's a holiday coming up and you're anxious about keeping the pen cold. Maybe the nausea has been relentless and you want a rest. Maybe cost is the issue this month. Whatever the reason, the question is very reasonable, and it comes up often enough that our prescribers have well-formed answers to it.

Semaglutide, the active ingredient in Wegovy, has a pharmacological half-life of roughly seven days. That means the medicine concentration in your body halves each week after your last injection. The appetite-suppressing effect does not vanish on day eight; it fades over a few weeks. By the end of a four-week pause, most of that suppression has gone. How semaglutide works in the body is worth reading if you want the mechanism in more detail, but the short version is: when the medicine fades, the gut-hormone signals that were reducing your hunger start returning to their previous pattern.

That said, a month off is not the same as abandoning treatment. The question is what you do with that information.

What the evidence says about stopping semaglutide mid-treatment

The STEP 1 trial extension, published in the New England Journal of Medicine, is instructive here. Participants who stopped semaglutide after 68 weeks regained, on average, around two-thirds of the weight they had lost within a year of stopping. That is not a scare statistic, it is a realistic picture of what weight medicines do, and why clinical teams talk about them as long-term tools rather than short courses.

A single month's break will not produce that scale of regain. But it is enough time for appetite to increase noticeably, and some people find that one month stretches into two, or three, without a clear plan to restart. The experience of returning after a month off Wegovy can feel harder than expected for exactly this reason.

The NHS medicines page for semaglutide advises not stopping without speaking to your healthcare team, and that guidance is practical rather than bureaucratic, a prescriber can help you plan the pause so you are not making a decision in the moment and then struggling to find your footing again.

Restarting after a month: doses, titration, and what to expect

This is the part most people do not think through before they stop. If your break is around four weeks, your prescriber may allow you to restart at your previous dose, though that depends on which dose you were on and how well you tolerated it. A break of five or six weeks, or anything longer, usually means stepping back down the titration schedule and working back up, because tolerance to the gastrointestinal side effects can reset, and jumping back to 1.7mg or 2.4mg cold risks significant nausea.

If you are earlier in your journey, it is worth reading about what month two on Wegovy typically involves, since that context shapes how much a pause at this stage might set back your progress. People who pause during month three are often just reaching therapeutic momentum, which makes the timing worth weighing carefully.

If your concern is cost rather than side effects or logistics, the Wegovy cost page walks through what a transparent private prescription actually covers, including whether there are ways to manage the financial side without stopping altogether. That conversation is also one a prescriber can help you think through.

Shorter pauses: is a week off different from a month?

Yes, meaningfully so. A one-week pause (missing a single injection) sits in different territory from a full month. The medicine is still partially active, appetite effects are modest, and restarting at the same dose is usually straightforward. The guidance on pausing Wegovy for a week covers missed doses and short gaps in detail. A month, though, is long enough that the clinical picture changes: the medicine has cleared, appetite has likely returned, and the restart effectively needs to be planned as a new beginning.

If you stopped recently and are now wondering what to do next, this page on stopping after just one month of treatment addresses the slightly different scenario of early discontinuation. The transition between dose 1 and dose 2 is also relevant if you are pausing during the early titration period and not sure where to pick up.

The honest answer is that a planned, discussed, prescriber-supported pause is very different from simply running out and not reordering. One has a plan; the other tends not to. If you are considering a break and want a clinical view on whether it makes sense for you specifically, checking your eligibility with our team is a good starting point, our prescribers review every case individually, and a conversation about a pause is a normal part of ongoing care.