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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.

Week off?

3 replies

Goodwitch9 · 15/10/2025 13:23

I have one jab left to go in my pen but want to take a week off. Can I do that or will the pen expire please?

OP posts:
SilenceInside · 15/10/2025 13:26

It depends. Will it have been 30 days since your first injection from that pen by next week? If not, then it won't have expired. If it is longer than 30 days then it will be past the manufacturer's guidance on expiry. Some people might decide they are ok with using that pen anyway, but that's a decision only you can make.

SilenceInside · 15/10/2025 13:26

Oh, that's assuming you were talking about Mounjaro. I don't know the expiry limits for Wegovy.

MagnoliaTreePetals · 15/10/2025 15:55

I am maintaining and jabbing every 14 days, as recommended by my weight loss Dr. No problems. Although it is better if you keep the pen in the fridge.
There is a thread somewhere, that discusses how long people are spreading their pens out.

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