How Mounjaro dose titration generally works
Mounjaro (tirzepatide) is a once-weekly injectable medicine that works on both GLP-1 and GIP receptors to support appetite regulation. It is typically started at a low dose — commonly 2.5 mg — and adjusted over time by the prescriber, not by the person taking it. The purpose of starting low is to allow the body to adjust and to minimise side effects, particularly gastrointestinal ones such as nausea.
Why titration is prescriber-led
Dose increases are not triggered by a specific number on the scale or by how long you have been on the current dose alone. Your prescriber considers a range of factors: how well you are tolerating the current dose, any side effects you are experiencing, your overall health, and your progress toward the goals set out in your treatment plan. There is no universal rule that says "increase after X weeks" — individual variation matters enormously.
If you are wondering whether a dose adjustment might be right for you, the right route is a conversation with your prescriber or doctor. They have the full picture of your health and history. See the factors involved in deciding whether a dose increase is needed for a fuller look at what prescribers typically consider.
What about Wegovy?
The same principle applies to Wegovy (semaglutide): titration is prescriber-led, follows a gradual schedule, and any change to your dose should be discussed with your healthcare professional rather than decided independently. Understanding the general timing of Mounjaro dose progression can help you have a more informed conversation at your next appointment.
It is also worth understanding why dose increases are a standard part of treatment — the reasons are rooted in how the body responds to GLP-1 and GIP receptor agonists over time.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
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Tracking your doses with GLP Trackr
One of the most practical things you can do while navigating a tiered dosing schedule is keep an accurate record of every injection — the date, the dose strength, and how you felt around it. GLP Trackr's dose logging feature does exactly that, giving you a clear timeline of your treatment that you can refer back to and share with your prescriber.
When you arrive at an appointment to discuss whether a dose change is appropriate, a detailed log makes that conversation more productive. Rather than trying to recall how the last few weeks felt, you can show your prescriber a factual record. The app's doctor report feature compiles your dose history, side-effect notes, and weight data into a summary designed for exactly this kind of appointment.
If you have experienced side effects at your current dose — such as nausea, fatigue, or digestive changes — the app's side-effect tracker lets you log those too, so patterns emerge over time rather than being lost to memory.
Any decision about changing your dose belongs with your prescriber. GLP Trackr helps you arrive at that conversation with the clearest possible record of your journey — it is not a substitute for clinical advice, and nothing in the app should be read as a recommendation to adjust your dose.
You can find broader context on managing your treatment in the Mounjaro dosing guide.
Keep a complete picture of your Mounjaro journey — every dose, side effect and weight change logged in one place. Download GLP Trackr on the App Store or Google Play and start your free 7-day trial.
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Morning Check-In
Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.
Injection Tracking
Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.
Hydration Reminders
Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.
Smart Meal Planning
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Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.
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Snap a photo of any meal and get a full nutrition breakdown in seconds — calories, protein, carbs, fat, and fibre. No searching. No manual logging. Just point, snap, and track.
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Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.
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Log your Mounjaro or Wegovy injection in seconds. Track your pen, your dose level, and your injection site — so you always know exactly where you are in your treatment.
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Frequently asked questions.
Dose increases on Mounjaro are decided by your prescriber, not on a fixed timeline or weight target. Your prescriber considers your tolerability, side effects, and overall progress before recommending any change. Never adjust your dose without their guidance.
Gradual dose increases are a standard part of how Mounjaro treatment is structured. Starting low reduces side effects, and titrating upward allows the body to adjust while helping the medicine work as intended. Your prescriber manages this process based on your individual response.
You cannot reliably determine this yourself — it requires a clinical assessment. Signs that a review may be useful include tolerating your current dose well with limited side effects and a plateau in progress, but only your prescriber can decide whether an increase is appropriate for you.
Yes. Wegovy (semaglutide) also follows a prescriber-led titration schedule, starting at a low dose and increasing gradually. Any change to your Wegovy dose should be discussed with and directed by your healthcare professional, not made independently.
GLP Trackr lets you log every injection — date, dose strength, and any side effects — and generates a doctor report summarising your journey. This gives you an accurate record to bring to prescriber appointments when discussing whether a dose review is needed.