Falsified Mounjaro KwikPen 15mg pre-filled pens
Web Resource
Last Updated: 03-03-2026
A falsified version of Mounjaro (tirzepatide) KwikPen 15mg solution for injection has been found supplied through one online pharmacy in the UK - The Private Pharmacy Clinic, located in Birmingham.
This pharmacy is unable to provide more of this medication at this time.
Please check:
- The batch number on any Mounjaro KwikPen 15mg pre-filled pens you have been dispensed
- If you have a 15mg pen with batch number D873576, do not use the pen. Pictures of the product are provided below
- If you have one of these pens, you should report the case to the MHRA via info@mhra.gov.uk, please include “Mounjaro Pens” in the subject line. You should keep the pen in a safe place, the MHRA will arrange a collection
- If you are unsure of how to identify the pen, or are unsure on whether you have administered an affected batch and have any questions please speak to a healthcare professional
- If you have administered injections using the pen already, please be reassured that, on the basis of the cases reviewed to date, the risk to you is low
- If you have administered injections, and you are experiencing any unusual symptoms that you are concerned about, seek immediate medical attention


Further information from GOV.UK can be found at