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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.

Moving to 5mg mounjaro

7 replies

Limon22 · 11/03/2026 10:55

Hi all, on 2.5mg Mounjaro for 4 weeks now, love it no major side effects and weight finally moving after a very long plateau.

reading different things about where to move up next week or not to 5mg? Any views?

OP posts:
GreenLemonade · 11/03/2026 11:08

I moved up to 5mg after a month on 2.5mg. I decided to move up because suppression only lasted 3-4 days on 2.5mg and I was struggling to stick to my diet in the second half of the week.

I have no side effects on 5mg and find it much easier to stay in a calorie deficit for the full week.

SilenceInside · 11/03/2026 11:30

If you are easily able to stick to a calorie deficit and are losing weight steadily then there is no need to move up. If you are finding that it’s hard for most of each week to stick to your calorie deficit then that’s when I’d consider moving up a dose.

ThirdStorm · 11/03/2026 11:40

I lost 5 stone on 2.5mg and never moved up! If it is working stick with 2.5mg.

undercats · 11/03/2026 13:53

What pen did you order?

RedApplePie · 11/03/2026 14:22

I was advised by the pharmacist not to move up as I was having steady weight loss. I was quite happy with that as I’m keen to minimise the risk of gallstones with rapid loss. I’m about to take my 7th jab and I suspect the advice will be the same next month unless something drastic happens. I’ve lost a stone in 6 weeks.

Booksandcheese · 11/03/2026 15:07

I moved up after 4 weeks as I thought that was what I was supposed to do. With hindsight I had plenty of suppression on 2.5 and should have stayed there. I got far more side effects after a couple of weeks on 5 and only managed 2 months before I dropped back down to 2.5.

JabbaJibba · 11/03/2026 16:52

I did nine months of 2.5mg and am currently counting clicks with 3.75mg. I've lost 89lb in 12 months.

Edit to add I lost 70lb before going up to 3.75

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