What Changes When You Move from Saxenda to Wegovy
Saxenda contains liraglutide and is taken as a daily injection, while Wegovy contains semaglutide and is taken once weekly. Both are GLP-1 receptor agonists — they work on similar appetite-regulating pathways — but their dosing schedules, strengths, and titration steps differ. According to information on the electronic Medicines Compendium, Wegovy is typically started at a low dose and increased gradually over several months, with each step decided by your prescriber.
Side effects during the transition
Because both medicines affect the GLP-1 pathway, side effects such as nausea, constipation, diarrhoea, or indigestion are commonly reported with each. Many people who experienced these on Saxenda find they can reappear — or feel different in character or timing — when starting Wegovy, particularly in the early weeks or after a dose increase. This does not mean something has gone wrong; it is a pattern many people notice as the body adjusts to a new compound and schedule.
It is also worth being aware that stopping a daily medicine and starting a weekly one changes the rhythm of your routine. Some people find switching between GLP-1 medicines prompts a brief return of appetite or food noise in the gap period — something worth logging so you can discuss it with your prescriber.
What your prescriber will guide you on
The timing of when to take your last Saxenda dose and when to begin Wegovy, as well as what starting dose of Wegovy is appropriate for you, is entirely your prescriber's call. No general article can substitute for that guidance. If you are also considering or have previously looked at moving between Mounjaro and Wegovy, the same principle applies — every switch is individual.
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Tracking Your Transition with GLP Trackr
One of the most useful things you can do during a medicine switch is keep a clear record of how you feel — and that is exactly where GLP Trackr's side-effect tracking comes in. Rather than trying to recall when nausea peaked or how your energy shifted in week two, you can log symptoms day by day and let the app surface patterns over time.
This kind of record is genuinely useful to bring to your next prescriber appointment. The doctor report feature pulls together your logged data — symptoms, weight, mood, energy — into a clear summary, so the conversation with your healthcare professional is grounded in your actual experience rather than memory alone.
If you are also curious about how other GLP-1 medicine transitions compare, you might find it helpful to read about switching from Mounjaro to Wegovy, or explore the broader guide to managing side effects on GLP-1 medicines for general context.
If any symptoms during your transition feel severe, persistent, or are worrying you — including significant vomiting, abdominal pain, or any symptom that does not ease — contact your healthcare professional promptly. GLP Trackr helps you record what you are experiencing so you can have an informed conversation; it is not a substitute for clinical advice, and any decision about your medicine or dose belongs with your prescriber.
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Frequently asked questions.
The timing and method of switching from Saxenda to Wegovy — including when to stop one and start the other — is a decision for your prescriber. They will consider your individual history and determine the appropriate starting dose of Wegovy for you.
It is common to experience GI side effects such as nausea or digestive changes when starting Wegovy, even if you tolerated Saxenda reasonably well. Both act on GLP-1 pathways but are different compounds. Side effects often ease as the body adjusts, but speak to your prescriber if anything concerns you.
Whether a gap is needed between stopping Saxenda and starting Wegovy depends on your individual circumstances and is something your prescriber will advise on. Do not adjust your own timing without discussing it with them first.
GLP Trackr's side-effect and daily check-in logging lets you record symptoms, mood, energy, and food noise day by day. This creates a clear picture of your transition that you can share with your prescriber at your next appointment.
Some people notice a temporary return of appetite or new side effects when changing GLP-1 medicines. Log how you feel and discuss it with your prescriber. If symptoms are severe, persistent, or worrying, contact your healthcare professional promptly rather than waiting.