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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.

Is this a Wegovy side effect?

3 replies

FloydPink · 04/06/2026 17:51

Had used Mounjaro last year, then tried Wegovy. Came off for a few months and gave it another go. Used 3 of my jabs and just the normal side effects (lesser appetite, lower sex drive, wanting to eat nostalgic foods like spam, paste and stuff I had as a kid, more emotional).

Used up my last one (was a dose and a half probably) and this was around a week after my last jab, maybe a day or so early. Jabbed around 11pm at night. Next day, had a couple of runny poos before early gym class at 7am. Anyway, went to do a hard class and all ok there. On my drive home felt a bit sick. Came back and had another couple of runny poos and felt sick, plus a stomach cramp really low down. Popped an Imodium as I was due to go to office after a couple of small jobs.

Ended up coming home after small jobs and every half hour feeling the need to poo but ended up with small 'wees from my bum' (sorry if TMI), with a cramp beforehand. A few times I was convinced I would be sick but wasn't. Carried on all day but eased a bit later on. Went out that evening and was ok but not myself. This morning around 3 or 4 cramps but not as bad and a few more dodgy trips to the loo.

Not as bad now, not had this before. Someone suggested it was doing the jab at 11pm and then a hard class 8 hours later which may have triggered it, and the immodium probably didnt help?

OP posts:
SilenceInside · 04/06/2026 17:58

Gastric side effects are common with Wegovy as well as Mounjaro, yes. If you have done the 4th jab this week then the levels of medication were at their highest level on that dose, so may be the reason for the gastric upset.

Susan780 · 09/06/2026 22:37

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PickyourImogen · 25/06/2026 15:01

Oof that sounds rough. I'd probably check in with your provider if it's different from your usual side effects.

Could have been the hard gym session so soon after the jab, but sometimes these meds just seem to hit differently from week to week. Hope you're feeling more normal soon

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