Weekly injection, tirzepatide
Mounjaro 15 mg
15 mg is the highest licensed dose. In SURMOUNT-1, people on 15 mg lost 20.9% of their body weight on average over 72 weeks, against 3.1% on placebo.
In short: Mounjaro 15 mg is the highest dose. There is no higher dose. Aero’s prices are not yet confirmed.
What to expect on 15 mg
There is no further step. Most of the weight loss in the trial came between months 4 and 12. After your goal, your prescriber plans a maintenance dose, which for many people is lower than 15 mg.
| Detail | Information |
|---|---|
| Dose | 15 mg once a week |
| Stage | Highest dose |
| Price | To be confirmed |
| Next step | None. This is the highest licensed dose. |
| Average loss on this dose in SURMOUNT-1 | 20.9% over 72 weeks |
| Missed dose | Take the missed dose as soon as possible within 4 days of the missed dose. |
| Storage | Store in a refrigerator at 2 to 8 degrees C. |
Price for Mounjaro 15 mg
Aero’s treatment prices and service inclusions will be confirmed before booking opens. Ask which prescribing, dispensing, delivery and follow-up costs are included in your quote.
Per week
Aero’s prices are not yet confirmed.
Aero’s prices are not yet confirmed.
Side effects at 15 mg
Rates below come from the UK product information at 15 mg, the dose most studied. Side effects cluster in the week after each step up and usually ease within two to three weeks. Severe stomach pain which does not ease needs urgent care.
| Side effect | On 15 mg | On placebo |
|---|---|---|
| Nausea | 28% | 8.5% |
| Diarrhoea | 22.5% | 7.8% |
| Vomiting | 13% | 2% |
| Constipation | 11% | 5% |
Mounjaro 15 mg questions
How long do I stay on Mounjaro 15 mg?
As long as treatment continues. This is the highest licensed dose, so there is no further step. Your prescriber reviews you each month and plans a maintenance dose after your goal.
How much does Mounjaro 15 mg cost?
Aero’s treatment prices are not yet confirmed. Before paying, ask for the total price, pack quantity, prescribing fees, dispensing and delivery charges, and follow-up costs. Use your provider’s written quote in the cost planner.
What if I miss a dose of Mounjaro 15 mg?
Take the missed dose as soon as possible within 4 days of the missed dose. If more than 4 days have passed, skip the dose and take the next one on the usual day. Leave at least 3 days between two doses. Do not take a double dose.
Can I start on Mounjaro 15 mg?
No. Everyone starts on 2.5 mg. Starting higher raises the chance of severe nausea and vomiting. If you are switching from another provider, your prescriber can continue you on your current dose with proof of supply.
Mounjaro plan price to be confirmed
Aero’s treatment prices and service inclusions will be confirmed before booking opens. Ask which prescribing, dispensing, delivery and follow-up costs are included in your quote.
Page information
- Summary
- Mounjaro 15 mg: its place in the dose schedule, side effects, storage and questions for your prescriber. Aero Clinic’s prices are not yet confirmed.
- Publisher
- Aero Clinic, operated by AERO HEALTHCARE LTD.
- Editorial update
- Clinical review
- Pending. An editorial update is not a clinical sign-off.
Cite as: Mounjaro 15 mg, Aero Clinic (https://www.cagri.co.uk), AERO HEALTHCARE LTD. https://www.cagri.co.uk/mounjaro-15mg. Editorial update: 4 November 2026. Clinical review pending.