Irritable bowel syndrome (IBS) is a “common gastrointestinal functional disease, characterized by chronic abdominal pain or discomfort, along with diarrhea, constipation (or a pattern of alternation between the two), defecation urgency, tenesmus bloating, and abdominal distension.” Patients with IBS are affected by numerous comorbidities, notably fibromyalgia syndrome (FMS). This condition, which is characterized by chronic…