Yes you can, as long as the relevant wash-out periods outlined below are followed. This will ensure a smooth transition while switching treatments.
IIf you are considering switching from Mounjaro to Wegovy, please review the key information below.
When moving from Mounjaro to Wegovy, you don’t always need to start on the very lowest dose. Our clinical team has reviewed and set out guidance on safe and appropriate equivalent doses to support switching.
How to switch
To switch from Mounjaro to Wegovy, complete the assessment form as usual. You’ll be asked:
Which medication you are currently taking (Mounjaro)
Your current dose
Whether you would like to switch to Wegovy
At the end of the assessment, you’ll be shown the most appropriate recommended Wegovy dose, based on our latest clinical guidance. If you’re concerned about side effects, you may still choose to start on a lower dose, including a starter dose, if clinically appropriate.
Recommended switching doses
Current Mounjaro dose | Recommended Wegovy dose |
|---|---|
2.5 mg | 0.5 mg |
5 mg | 1 mg |
7.5 mg | 1.7 mg |
10 mg | 2.4 mg |
12.5 mg | 2.4 mg |
15 mg | 2.4 mg |
These doses are guidance only. The prescribing clinician will always make the final decision based on your medical history, tolerance, and overall safety.
Wash-out period
You must allow a one-week wash-out period after your last Mounjaro injection before starting Wegovy. This helps reduce the risk of side effects.
Example:
If your final Mounjaro dose was taken on a Monday, you would start Wegovy the following Monday.
This guidance applies to all Mounjaro strengths.
Switching from Wegovy to Mounjaro
If you are considering switching from Wegovy to Mounjaro, please review the guidance below.
You will need to begin on the lowest starting dose of Mounjaro (2.5 mg)
At this dose, you may notice reduced appetite suppression initially. This is normal and usually improves as the dose is gradually increased
Dose increases will be managed in line with clinical guidance and tolerance
Wash-out period
You must allow a one-week wash-out period after your last Wegovy injection before starting Mounjaro.
Example:
If your final Wegovy dose was taken on a Monday, you would start Mounjaro the following Monday.
This guidance applies to all Wegovy strengths.