# Bloating and wind

> Mounjaro’s, Wegovy’s and Ozempic’s leaflets list bloating of the stomach and gas (flatulence) as common, up to 1 in 10 people. In two Zepbound trials, 3% to 4% reported each, against 2% on placebo. Wegovy’s and Ozempic’s list bloating among the signs of bowel obstruction, a severe form of constipation.

Canonical: https://jabwise.app/guides/bloating-and-wind. Sources checked 12 October 2026. General information, not medical advice: follow your prescriber.

## How common it is

Each leaflet’s own words for how common each is, quoted as written. Zepbound’s figures are the share of people in its two weight trials.

- **Mounjaro**: Bloating: "Common (may affect up to 1 in 10 people)" ([Mounjaro KwikPen patient leaflet](https://www.medicines.org.uk/emc/product/15481/pil)); Wind: "Common (may affect up to 1 in 10 people)" ([Mounjaro KwikPen patient leaflet](https://www.medicines.org.uk/emc/product/15481/pil))
- **Zepbound**: Bloating: 3% to 4%, against 2% on placebo; Wind: 3% to 4%, against 2% on placebo
- **Wegovy**: Bloating: "Common: may affect up to 1 in 10 people" ([Wegovy FlexTouch patient leaflet](https://www.medicines.org.uk/emc/product/13800/pil)); Wind: "Common: may affect up to 1 in 10 people" ([Wegovy FlexTouch patient leaflet](https://www.medicines.org.uk/emc/product/13800/pil))
- **Ozempic**: Bloating: "Common (may affect up to 1 in 10 people)" ([Ozempic patient leaflet](https://www.medicines.org.uk/emc/product/9748/pil)); Wind: "Common (may affect up to 1 in 10 people)" ([Ozempic patient leaflet](https://www.medicines.org.uk/emc/product/9748/pil))

## What else they say

- **By dose in the trials**: In Zepbound’s trials, wind was reported by 3% on 5mg and 10mg and 4% on 15mg, against 2% on placebo; bloating the same.
- **Listed alongside it**: Mounjaro’s, Wegovy’s and Ozempic’s leaflets also list burping, indigestion and reflux or heartburn as common side effects.
- **A severe form**: Wegovy and Ozempic list bowel obstruction: a severe form of constipation, with stomach ache, bloating or vomiting.
- **If it bothers you**: If a side effect bothers you or doesn’t go away, the NHS says a pharmacist or doctor may give advice on how to reduce it.

## Questions

### Is bloating a side effect of Mounjaro?

Yes. Mounjaro’s leaflet lists bloating of the stomach and gas (flatulence) as common, up to 1 in 10 people.

### Do the NHS pages list it?

Not among their common side effects. Both say those aren’t all the side effects, and point to the leaflet that comes with your medicine for a full list.

### When is it serious?

Wegovy’s and Ozempic’s leaflets list bowel obstruction, a severe form of constipation with stomach ache, bloating or vomiting. If you think you’re having a serious side effect, the NHS says call 111.

## In Jabwise: Appointment Report

Take your record to the appointment. Jabwise turns your doses, weight and check-ins into a PDF for your GP or doctor, over a week, a month or longer. It states only what you logged.

## Getting real advice

- **A pharmacist, your doctor or NHS 111**: If you’re not sure how to use your medicine, or a side effect bothers you or won’t go away. NHS 111 if you think you might be having serious side effects, or you’ve used too much. [NHS: Semaglutide](https://www.nhs.uk/medicines/semaglutide/), [NHS: Tirzepatide](https://www.nhs.uk/medicines/tirzepatide/), [NHS 111 online](https://111.nhs.uk/)
- **Report a side effect**: Anyone can, not only doctors. [Yellow Card (UK)](https://yellowcard.mhra.gov.uk/), [MedWatch (US)](https://www.fda.gov/safety/medwatch-fda-safety-information-and-adverse-event-reporting-program)

## Sources

- [Mounjaro KwikPen patient leaflet](https://www.medicines.org.uk/emc/product/15481/pil)
- [Zepbound prescribing information](https://uspl.lilly.com/zepbound/zepbound.html)
- [Wegovy FlexTouch patient leaflet](https://www.medicines.org.uk/emc/product/13800/pil)
- [Ozempic patient leaflet](https://www.medicines.org.uk/emc/product/9748/pil)
- [NHS: Tirzepatide](https://www.nhs.uk/medicines/tirzepatide/)
- [NHS: Semaglutide](https://www.nhs.uk/medicines/semaglutide/)