Mounjaro 2.5mg: starting dose explained
What the 2.5mg dose of Mounjaro (tirzepatide) is for, where it sits in the step-up schedule and what to discuss with your prescriber.
Where 2.5mg fits
- Step 12.5mgfrom week 1
- Step 25mgfrom week 5
- Step 37.5mgfrom week 9
- Step 410mgfrom week 13
- Step 512.5mgfrom week 17
- Step 615mgfrom week 21
The UK product information says to stay on each dose for at least 4 weeks before increasing. Weeks shown are the earliest possible; many people stay on a dose for longer, and some stay on a lower dose.
2.5mg is the starting dose of Mounjaro. It is used to help your body get used to the medicine and is not usually intended as a long-term treatment dose. The product information says to stay on it for at least 4 weeks before increasing.
Always use the dose your prescriber has prescribed and follow the Patient Information Leaflet. Do not change your dose yourself, and never use a pen or tablet strength that was not prescribed for you.
All Mounjaro doses
| Dose | Role | Earliest start (if increased at every step) |
|---|---|---|
| Mounjaro 2.5mg | Starting dose | Week 1 |
| Mounjaro 5mg | Step-up dose | Week 5 |
| Mounjaro 7.5mg | Step-up dose | Week 9 |
| Mounjaro 10mg | Maintenance dose | Week 13 |
| Mounjaro 12.5mg | Maintenance dose | Week 17 |
| Mounjaro 15mg | Maximum dose | Week 21 |