Bristol Stool ChartType 2 of 7
Type 2 poop: sausage-shaped but lumpy
A formed but lumpy log is the slower side of the scale: the pieces held together, but they spent long enough in the colon to dry out.

Type 2 Slower transit
Sausage-shaped, but lumpy.
- Usually associated with
- Slower-than-typical transit and firm, drier stool.
- Things worth considering
- Fiber
- Fluids
- Movement
Type 2 poop is sausage-shaped, but lumpy: a formed log that looks like lumps pressed together. It sits on the slow side of the Bristol stool chart. The pieces held together, but they spent long enough in the colon to dry out and firm up. Along with Type 1, it is what the Bristol scale calls constipated stool, though a Type 2 now and then is an ordinary part of most people's week.
Is it Type 2 or Type 3? That border is one of the easiest to get wrong by eye. Stoolio estimates your Bristol type from one photo, the same way every time, alongside hydration and fiber indicators. Your first three scans are free.
What Type 2 poop looks like
A sausage shape with a knobbly, lumpy surface, as if several hard pieces were stuck together. It is usually firm and dry, can be wide, and often takes some effort to pass. Compared with Type 3, the surface is lumpy rather than smooth with cracks. If your stools are large as well as hard, our Learn article on wide, dense poop covers why.
What Type 2 usually means
Slower-than-typical transit. The longer stool stays in the colon, the more water the colon absorbs, and Cleveland Clinic explains that Types 1 and 2 happen when stools spend too long traveling through the intestines. In adults with constipation, a type below 3 is a reasonable signal of slow whole-gut transit; in healthy people the link is weaker, so one Type 2 on its own tells you little.
Validation research also shows Type 2 is one of the types people most often confuse with its neighbor. In a 2016 study, only about 63% of Type 2 models were classified correctly. If you are deciding whether you have a problem, the pattern over a week or two matters more than any single stool.
Common reasons for Type 2
- A lower-fiber stretch. Most Americans fall short of the recommended 25 grams of fiber a day for women and 38 grams for men.
- Not quite enough fluid, particularly on hot days, after exercise or when you have added fiber without adding water.
- Routine changes such as travel, a different schedule or holding it in (NIDDK).
- Medicines including opioid pain medicines, iron supplements and antacids with aluminum or calcium (NIDDK).
- Less movement than you are used to.
What tends to help
The same levers as for Type 1, used more gently. Add fiber a little at a time: psyllium has the best evidence among fiber supplements for chronic constipation, and fruit, vegetables, beans and whole grains add fiber from food. Drink enough to let the fiber work. Keep moving regularly, which may help. Go when you feel the urge instead of putting it off, and avoid straining or long sessions on the toilet, which NIDDK links to hemorrhoids. A footstool under your feet may make going more comfortable.
When to check in with a clinician
Talk to a clinician if hard stools do not improve with self-care, if constipation is new for you or has lasted more than three weeks (Cleveland Clinic), or if you have a family history of colon or rectal cancer (NIDDK). See a doctor right away if it comes with bleeding from the rectum, blood in your stool, constant belly pain, being unable to pass gas, vomiting, fever, lower back pain, or weight loss you cannot explain.
How Stoolio reads Type 2
Each Stoolio scan matches your stool against all seven Bristol types and adds hydration and fiber indicators out of 100, an estimated transit time and a Stoolio Score. On the Type 2 and 3 border, a consistent read is the difference between noticing a real change and second-guessing a lumpy log. Track a week of scans and you can see whether you are drifting toward the typical range or away from it. See the full Bristol stool chart, or compare Type 1.
Frequently asked questions
Is Type 2 poop constipation?
The Rome criteria count Types 1 and 2 as constipated stool, but constipation is a pattern, not a single poop. NIDDK describes it as fewer than three bowel movements a week, or stools that are hard, dry or lumpy and difficult to pass. An occasional Type 2 is common.
What is the difference between Type 2 and Type 3?
Both are sausage-shaped. Type 2 is lumpy, like pieces pressed together; Type 3 is a smoother log with cracks on its surface. Type 3 sits in the typical range, Type 2 on the slower side. It is one of the borders people most often mix up by eye.
How long does it take to go from Type 2 to Type 4?
Often a few days once you change the inputs. Add fiber gradually, drink enough and keep moving. A Stoolio scan each day shows whether your type is moving.
Sources
- Cleveland Clinic. Bristol Stool Chart.
- Saad RJ, et al. Do stool form and frequency correlate with whole-gut and colonic transit? Am J Gastroenterol. 2010.
- Blake MR, et al. Validity and reliability of the Bristol Stool Form Scale in healthy adults and patients with diarrhoea-predominant irritable bowel syndrome. Aliment Pharmacol Ther. 2016.
- Mearin F, et al. Bowel Disorders (Rome IV). Gastroenterology. 2016.
- NIDDK. Definition & Facts for Constipation.
- NIDDK. Symptoms & Causes of Constipation.
- NIDDK. Treatment for Constipation.
- Chang L, et al. AGA-ACG Clinical Practice Guideline: Pharmacological Management of Chronic Idiopathic Constipation. Gastroenterology. 2023.
- Dahl WJ, Stewart ML. Position of the Academy of Nutrition and Dietetics: Health Implications of Dietary Fiber. J Acad Nutr Diet. 2015.
- NIDDK. Symptoms & Causes of Hemorrhoids.
- Cleveland Clinic. Constipation.
Type 2 today. What about the rest of the week?
One poop is a snapshot. Stoolio reads your Bristol type from a photo every time and shows the pattern, so you can see your normal.
Scan your first 3 free ↗