What are the key clinical signs and symptoms to consider when diagnosing intussusception in children?

Guideline-aligned answer with reasoning, red flags and references. Clinically reviewed by Dr Kola Tytler MBBS CertHE MBA MRCGP.

Posted: 17 August 2025Updated: 17 August 2025 Guideline-Aligned (High Confidence) Clinically Reviewed
Dr Kola Tytler MBBS CertHE MBA MRCGPClinical Lead • iatroX

When considering the diagnosis of intussusception in children, several key clinical signs and symptoms should be evaluated. The classic triad of symptoms includes sudden onset of colicky abdominal pain, vomiting, and the passage of bloody stools, often described as 'currant jelly' stools . However, it is important to note that this classic triad is only present in a minority of cases .

Other significant clinical indicators include the presence of a palpable sausage-shaped mass in the abdomen . Children may also present with lethargy, irritability, or altered mental status, particularly in infants . Non-specific symptoms such as fever, diarrhoea, and dehydration can also occur .

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