Interest of Pan Capsule in Symptomatic Patients Suspected of Irritable Bowel Syndrome Requiring Colonoscopy

Inclusion Criteria: * Male or female: Age ≥ 18 years and ≤ 50 years * Patients with symptoms compatible with IBS-D or IBS-M according to the treating physician. * Indication for colonoscopy according to the physician * Absence of prior colonoscopy * Patient affiliated to a social security Insurance * Signature of signed informed consent. Exclusion Criteria: * Functional or organic disorders of swallowing. * Dysphagia or suspicion of digestive stenosis. * Known Zenker Diverticule. * Major surgical history of the digestive tract (exclusion of appendectomy, cholecystectomy, surgery of hemorrhoids). * Known illness that could explain digestive symptoms. * Symptoms suggestive of occlusion. * Alteration of the general state and / or dehydration. * Chronic uncontrolled disease. * Disorders of consciousness. * Uncontrolled heart disease: myocardial infarction in the last 6 months, anginal disease status, NYHA grade III and above congestive heart failure, ventricular tachycardia, ventricular fibrillation, severe heart block. * Patient with a pacemaker or other implantable electronic medical device. * Polyethylene glycol allergy. * Oral iron intake in the four days preceding the video capsule. * Pregnant or lactating woman, woman of childbearing age who has not performed a pregnancy test, women and men of childbearing potential without effective contraception. * Impossible follow up for psychological or geographical reasons. * Patient under safeguard of justice. * Patient under guardianship or curatorship. * Simultaneous participation in another clinical study.