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Diarrhoea assessment tool

Section 1 assessment

Has the patient got diarrhoea?

  • Bristol stool score 5 to 7? See Bristol stool chart here.
  • Increase in frequency?
  • Offensive smell?

If the answer to the above is yes then:

Assess whether there are any underlying factors, for example:

  • inflammatory bowel disease
  • overflow
  • aperients
  • enteral feeding
  • patients normal bowel habit
  • new medication
  • medical treatment
  • antibiotics

If there are underlying factors there should be a clinical review of the following:

  • general condition
  • bloods, WCC, CRP, creatine
  • medication (if on antibiotics and or proton pump inhibitor consider Clostridium difficile infection)

If it is determined that it is non-infective diarrhoea a review or modification of treatment should be undertaken:

  • underlying cause
  • medication
  • review clinical response 24 to 48 hours

If after review infection is suspected or there are no underlying factors, follow the procedure in section 2.

Section 2 infection suspected

If infection is suspected:

  • move to a single room
  • commence isolation precautions
  • obtain specimen
  • medical review including antibiotic therapy
  • monitor stool chart

Page last reviewed: January 10, 2025
Next review due: January 10, 2026

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