Bowl of bran cereal Man and woman riding bikes. Stethoscope on a clip board.

As of September 22, 2014, the NIDDK Clearinghouses Publication Catalog and Image Library sites will be unavailable until further notice.
Although you will not be able to order publications, you can view, download, and print them by using the links below.
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The Bristol Stool Form Scale provides illustrations of the seven stool types, which can be used to help fill out the stool diary.

Click here for a printer friendly version.

Bristol Stool Form Scale

Type Description Image
Type 1 Separate hard lumps, like nuts Image of separate hard lumps, like nuts
Type 2 Sausage-shaped but lumpy Image of sausage-shaped but lumpy
Type 3 Like a sausage or snake but with cracks on its surface Image of type 3 - like a sausage or snake but with cracks on its surface
Type 4 Like a sausage or snake, smooth and soft Image of type 4 -Like a sausage or snake, smooth and soft
Type 5 Soft blobs with clear-cut edges Image of Soft blobs with clear-cut edges
Type 6 Fluffy pieces with ragged edges, a mushy stool Image of Fluffy pieces with ragged edges, a mushy stool
Type 7 Watery, no solid pieces Image of Watery, no solid pieces

Text reproduced with permission from Lewis SJ, Heaton KW, Scandinavian Journal of Gastroenterology, 1997; 32(9):920–924. ©1997 Informa Healthcare.

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Page last updated: July 15, 2011


 

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