Effects of Imagery Therapy vs Progressive Muscle Relaxation Therapy on Patients With Functional Abdominal Bloating

Inclusion Criteria: * Participants with abdominal bloating as determined using the Malay version Rome III criteria which was validated and translated by past researchers (Lee et al, 2012) and/or patients who were suggested by clinicians. * Participants must be 18 years and above, and of either gender. * Participants are able to read, write, or understand the Malay language. Exclusion Criteria: * Patients with abdominal bloating due to organic disorder * Patients with recent abdominal surgeries (within 3 months) or previous major abdominal surgeries * Patients with major neurological and psychological disorders including stroke, schizophrenia, major depression. * Patients with medical history which may be the red flag for other FGIDs and organic disorders . * Patients who are on psychotropic medications or psychotherapy which may confound outcome of imagery of sham intervention.