Use table below to establish a positive diagnosis of idiopathic constipation by excluding underlying causes. If a child or young person has any 'red flag' symptoms do not treat them for constipation. Instead, refer them urgently to a healthcare professional with experience in the specific aspect of child health that is causing concern
| Key components | Findings and diagnostic clues that indicate idiopathic constipation | 'Red flag' findings and diagnostic clues that indicate an underlying disorder or condition: not idiopathic constipation | 
| Inspection of perianal area: appearance, position, patency, etc | 
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| Abdominal examination | 
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| Spine/lumbosacral region/gluteal examination | 
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| Lower limb neuromuscular examination including tone and strength | 
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| Lower limb neuromuscular examination: reflexes (perform only if 'red flags' in history or physical examination suggest new onset neurological impairment) | 
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If the history-taking and/or physical examination show evidence of faltering growth treat for constipation and test for coeliac disease and hypothyroidism
Reference:
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