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.
For urgent matters, please send an email to firstname.lastname@example.org.
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.
|Type 1||Separate hard lumps, like nuts|
|Type 2||Sausage-shaped but lumpy|
|Type 3||Like a sausage or snake but with cracks on its surface|
|Type 4||Like a sausage or snake, smooth and soft|
|Type 5||Soft blobs with clear-cut edges|
|Type 6||Fluffy pieces with ragged edges, a mushy stool|
|Type 7||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.
Page last updated: July 15, 2011