Bristol Stool Scale
Constipation
1
- Very dry, hard stool, often passed as separate pellets.
- Noticeable straining during defecation.
- Leaves no residue when picked up.
2
- Dry, firm, segmented stool with normal hardness.
- Retains its shape when picked up.
- Leaves no residue, or only a very small amount, when picked up.
Normal stool
3
- Firm stool with a slightly moist surface, mildly segmented or unsegmented.
- Retains its shape when picked up, but is soft.
- Leaves some residue on the ground.
4
- Very moist, elongated stool.
- Loses its shape when picked up.
- Leaves residue on the ground.
Diarrhoea
5
- Very moist stool, formed into a soft pile rather than an elongated shape.
- Cannot be picked up completely.
- Leaves residue when picked up.
6
- Watery stool with some texture but no defined shape, passed in soft clumps.
- Cannot be picked up.
- Leaves residue on the ground.
7
- Very watery, completely unformed stool with a liquid consistency.
- Cannot be picked up.