Curbside Consultation in IBS: 49 Clinical Questions

Brian E. Lacy, PhD, MD

Question 4: How Can I Diagnose IBS? (continued)

Nicholas J. Talley, MD, PhD, FACP, FRACP, FRCP; Steven J. Bollipo, MBBS, FRACP

In the past, irritable bowel syndrome (IBS) was considered a diagnosis of exclusion, but this has changed. A confident diagnosis of IBS can and should be made in clinical practice, but there are caveats—some patients will need at least minimal investigations to confirm the clinical impression, and, in those with atypical presentations, careful consideration of the differential diagnosis is important. We will describe here our approach to diagnosis and the evidence supporting it; despite being a common condition, there are several myths regarding the diagnosis of IBS that will be…