💩 Bristol Stool Form Scale
Classify stool form with the Bristol Stool Form Scale.
Bristol Stool Form Scale
Stool type
When to use
Assess constipation and diarrhoea by transit time.
How it works
Types 1–7; 1–2 constipation, 3–4 normal, 5–7 looser/faster transit.
Key points
- A simple, validated visual scale.
- Useful for monitoring bowel habit and treatment.
- Types 3–4 are considered ideal.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.