Digital Treatment of Irritable Bowel Syndrome (IBS)

Inclusion Criteria: \- Diagnosed with IBS in the primary or secondary healthcare service. * Patients aged 18-70 years with IBS defined by the Rome IV criteria: Recurrent abdominal pain, on average at least 1 day per week during the previous 3 months, that is associated with two or more of the following: i) Defecation, either increased pain or pain relief, ii) Change in stool frequency, iii) Change in stool form (appearance) * All participants \>50 years: Colonoscopy within the last 5 years prior to study entry excluding other pathology * Bank-ID and access to tablet, PC or smart phone. * No known presence of: symptomatic endometriosis, Diabetes type 1 and 2, Malignant disease (excluding basalioma), * No history of: severe psychiatric disorder, alcohol or drug abuse, inflammatory bowel disease, microscopic colitis, diverticulitis or ileus, major abdominal surgery (except appendectomy, cholecystectomy, caesarean section, and hysterectomy) * No "red flags'' indicating severe undiagnosed disease: Night sweats (Repeated episodes of extreme perspiration that may soak nightclothes or bedding), Unintentional weight loss (≥ 4.5 kilograms, or 5% of normal body weight) over less than 6 months without knowing the reason, or blood in stool * Not pregnant * Ability to comply with protocol requirements