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Eli Lilly to Raise UK Mounjaro Prices by Up to 170% in September

It brings private list prices in line with other developed markets under a separate NHS supply deal that preserves current rates for NHS patients.

A photo illustration of a Mounjaro pen on May 30 2025 in London, England. Mounjaro is a treatment for weight loss and type 2 diabetes.
Mounjaro manufacturer to hike uk price of weight loss drug by up to 170%
FILE PHOTO: Eli Lilly Biotechnology Center is shown in San Diego, California, U.S. March 1, 2023. REUTERS/Mike Blake/File Photo

Overview

  • From September 1, the 5mg list price will rise from £92 to £180 and the 15mg dose will jump from £122 to £330.
  • NHS supply and pricing will remain unchanged under a separate agreement negotiated with NHS England.
  • Private healthcare providers and online pharmacies will be able to negotiate confidential discounts with Lilly to help patients manage higher costs.
  • Clinics warn the price hikes could create affordability barriers for privately paying users and prompt some to switch to alternative GLP-1 treatments such as Wegovy.
  • Lilly said the decision reflects recent calls from President Trump and the US administration for global price parity to address international pricing inconsistencies.