Irritable bowel syndrome in adults

Quality statements

Statement 1 Adults with symptoms of irritable bowel syndrome are offered tests for inflammatory markers as first‑line investigation to exclude inflammatory causes.

Statement 2 Adults with symptoms of irritable bowel syndrome are given a positive diagnosis if no red flag indicators are present and investigations identify no other cause of symptoms.

Statement 3 Adults with irritable bowel syndrome are offered advice on further dietary management if their symptoms persist after they have followed general lifestyle and dietary advice.

Statement 4 Adults with irritable bowel syndrome agree their follow‑up with their healthcare professional.