IBD RED FLAGS P

Table 1

Summary of red flag symptoms, signs and investigations for PIBD3

Symptoms	Loose stools (diarrhoea) for >14 days without another cause (such as recent travel) Bloody diarrhoea or blood per rectum Weight loss (Crohn’s disease only) Abdominal pain>14 days without another cause (consider functional abdominal pain)
Signs	Perianal disease (fistulae, fissures and skin tags) Frequent severe mouth ulcers (Crohn’s disease only) Extra-intestinal manifestations (arthopathy, uveitis, erythema nodosum)
Investigations	Negative stool microscopy and culture High inflammatory markers (CRP+ESR) Low albumin Deranged liver function High platelet count Low haemoglobin (especially in ulcerative colitis) Positive family history of IBD (of any type)

• CRP, C-reactive protein; ERS, erythrocyte sedimentation rate; IBD, inflammatory bowel disease.