Norwest Wellbeing

Hypnotherapy for IBS bloating: evidence review

Moderate evidence

GDH often improves bloating as part of global IBS scores. Dedicated bloating-primary trials are uncommon.

Last reviewed 27 August 2026

Bloating and visible distension are among the most distressing IBS symptoms. Gut-directed hypnotherapy trials usually capture them inside global or quality-of-life scores rather than as a standalone primary.

Key evidence

Positive global results in Flik 2014 and related RCTs include bloating items for many participants. That is B: consistent secondary signal, not a bloating-only meta-analysis.

Mechanistic talk (visceral sensitivity versus gas production) belongs on the gut–brain and mechanism pages.

Limitations

People with dominant dietary bloating may still need a dietitian. GDH is not a test for SIBO.

What we don't know yet

Whether imagery aimed at “reducing swelling” outperforms generic gut comfort scripts is untested.

This page is informational only. It is not personal medical advice.

Headshot of Rebecca Smith

Reviewed by

Rebecca Smith

Dip.Clin.Hyp. Women's Health Specialist

Clinical HypnotherapistWomen's Health Specialist