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Weight loss injections/treatments

Discuss weight-loss injections and treatments, including personal experiences. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any treatments.

Reached target weight with Mounjaro and stopped, but already putting weight back on after 2 weeks

101 replies

Weightreturning · 25/03/2026 07:44

I was on Mounjaro between July 2025 and March this year. I lost a total of 40 pounds, which took me from being on the edge of obese to having a BMI of 23.8. I reached my target weight a few weeks ago. I thought I would be able to keep the weight off without Mounjaro, but unfortunately this has proven to be impossible for me. I had my final jab on the 4th of March. The effects last for about a week. Since the 11th of March, I've already put on 5 pounds in the space of 2 weeks. Yesterday I ate a big fry-up in the morning and a curry in the evening, with a few snacks in between. Right now, I feel ravenous. I feel like I could eat for England. I feel helpless without the suppression you get from the jab.

Is this the case for most people? Has anyone been able to keep their weight off after stopping the jab? I was hoping I wouldn't need to remain on the jabs for life, especially with how expensive they are. It looks like I'll have to though, or I'll just pile all the weight straight back on.

OP posts:
VictoriaHargreaves · Yesterday 18:57

I think this is one of the harder parts of the whole process because reaching your target doesn’t necessarily mean the underlying appetite and eating patterns disappear. It might be worth speaking to your clinician about maintenance rather than feeling that needing ongoing support means you’ve somehow failed

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