Narrow stools can be caused by treatable, usually temporary causes such as constipation or dietary changes, or they can point to underlying medical conditions such as irritable bowel syndrome.

If the stool stays narrow or continues to get narrower, you should contact a healthcare provider. Very thin stool might be a sign of colorectal cancer, diverticular disease, or anal stenosis. Read ...

Narrow stool could be a sign of another, rare kind of cancer: anal cancer. It’s a cancer that starts in your anus, or the outer part of your rectum where poop comes out.

If Your Poop Looks Especially Thin, It Might Be Telling You That Your Pelvic Floor Is Too Tense. Learn about the possible causes and implications of passing narrow stool.

Doctors are warning that certain stool shapes and colors, such as narrow and bloody poops, could be a sign of colorectal cancer, which is spreading rapidly among young people in the US.

Stringy poop is when stool appears thin or narrow, often resembling strips of ribbon. Possible causes include dietary factors, irritable bowel syndrome (IBS), and infections. Less commonly, it may ...

Colon cancer is on the rise among young adults. Now, experts are sharing a “highly concerning” red flag — pencil-thin poop. Dr. Michael Cecchini, co-director of the colorectal program at the ...

Narrow stool can be a red flag. Doctors will sometimes see patients whose “stools are much thinner, or they’re pencil in thickness and size, which is a description that some patients with ...

The stool samples for the fecal capsules are similar to those provided by the OpenBiome project, a nonprofit stool bank founded in 2012 by a team of microbiologists, clinicians and public health ...

Dr. Waqqas Tai said pencil-thin stools, rectal bleeding, anemia (particularly men), severe constipation or diarrhea and/or unexplained weight loss, fevers and night sweats may indicate colon cancer.