Mounjaro Dosing: What the Schedule Looks Like and How to Stay on Track

Mounjaro is a once-weekly injectable medicine. According to information published on the electronic Medicines Compendium (eMC), tirzepatide is available in dose strengths of 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, and 15 mg. Treatment is typically initiated at the lowest strength and adjusted upward at intervals determined by your prescriber — this gradual titration approach is intended to help your body adapt and to support tolerability.

Why the slow start matters

Starting at a lower dose and increasing gradually is common with GLP-1 and dual GIP/GLP-1 receptor agonist medicines. Many people find that side effects such as nausea are more noticeable around dose increases and tend to settle as the body adjusts. Your prescriber will consider how you are responding before any change is made — no dose adjustment should happen without their guidance.

What about split dosing?

Some people search for information about split dosing Mounjaro — taking a portion of a dose on more than one occasion rather than the full amount at once. It is important to be clear: split dosing is not a standard or approved approach for Mounjaro, and any decision about how or when to take your dose must be made with your prescriber, not independently. If you have questions about your dosing schedule, the right person to ask is your own healthcare professional.

Mounjaro dosing for weight loss versus other indications

The dosing approach your prescriber has outlined for you will reflect your individual circumstances and the indication for which Mounjaro has been prescribed. If you have questions about how your specific schedule relates to your goals, discuss them at your next appointment. For a broader look at how GLP-1 medicines are typically dosed, see our overview of GLP-1 dosing principles, and if you are also interested in how the Wegovy schedule compares, our Wegovy dosing guide covers semaglutide's titration steps in the same factual, non-advisory way.

Some users also come across discussions about micro-dosing Mounjaro — our page explains what that term refers to and why any variation from a prescribed schedule requires prescriber involvement.

One of the most practical challenges on a weekly injection schedule is simply knowing — with confidence — that you took your dose, when you took it, and at what strength. GLP Trackr's dose logging feature is built exactly for this: each time you inject, you log the date, time, and dose strength, building a clear record that travels with you.

Dose reminders mean you are less likely to lose track of where you are in the week, and if for any reason a dose is missed, your logged history gives you accurate information to share with your prescriber when deciding how to proceed — rather than relying on memory. The app also tracks injection site rotation, so you always know which area is next and can avoid overusing the same spot.

If you want to see the bigger picture — how your weekly schedule lines up with your weight trends, energy, or how you felt after each dose increase — the insights features pull your logged data together so you have something genuinely useful to bring to your next appointment.

GLP Trackr is a tracking tool, not a clinical service. Any decision about your Mounjaro dose — including timing, strength, or schedule changes — should always be made with your prescriber or doctor. The app helps you record your journey accurately so those conversations are better informed. You can read more about everything the app supports on our Mounjaro companion hub.

Ready to keep your weekly schedule organised in one place? Download GLP Trackr on the App Store or Google Play — your first 7 days are free.