Rome IV defines FAPDs as episodic or continuous abdominal pain that does not occur solely during physiological events such as eating. Rome IV subclassifies FAPDs into a number of clinically distinct entities, namely irritable bowel syndrome (IBS), functional dyspepsia (FD), abdominal migraine and FAPDs not otherwise specified. See box 1 for the diagnostic criteria.1,4 The Rome IV definition states that a diagnosis of FAPD is likely after appropriate medical evaluations have failed to attribute symptoms to another medical condition.1

Paediatric functional abdominal pain disorders (FAPDs) are commonly seen in clinical practice [Image: Shutterstock].

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