Skinny poop, or thin/narrow stools, often happens occasionally due to minor constipation, diet, or IBS, but persistent thin stools can signal a blockage or narrowing in the colon, potentially from issues like polyps or cancer, so see a doctor if it's a new, consistent change, especially with other symptoms like rectal bleeding or abdominal pain.
Increasing fiber and staying hydrated can help treat constipation, which can cause thin stools. Hemorrhoids can cause narrow stools and might require more water and fiber to relieve symptoms. Check with your healthcare provider if thin stools are persistent or accompanied by other symptoms.
Narrow stools that happen now and then probably are harmless. But in some cases, narrow stools — especially if pencil thin — may be a sign that the colon is narrowing or has a blockage. And that could be due to colon cancer. Irritable bowel syndrome (IBS) also may cause changes in the size of your stools.
A stricture (or narrowing) can occur when inflammation and or scar tissue cause the bowel wall to thicken, leading to narrowing of the bowel. Strictures vary in length and degree of narrowing. Severe strictures can lead to obstruction of the bowel.
A strictureplasty is a surgical procedure to repair a stricture by widening the narrowed area without removing any portion of your intestine. It is important to repair strictures because the narrowing of your intestine could lead to a blockage that prevents stool from passing through the body.
The upper limit of normal diameter of the bowel is generally accepted as 3cm for the small bowel, 6cm for the colon and 9cm for the caecum (3/6/9 rule).
Mushy stool with fluffy pieces that have a pudding-shaped consistency is an early stage of diarrhea. This form of stool has passed through the colon quickly due to stress or a dramatic change in diet or activity level. When mushy stool occurs, it's hard to control the urge or timing of the bowel movement.
The thin stool might be due to internal hemorrhoids or swollen and inflamed veins that form in the rectum or anus without extending to the outside of your body. Hemorrhoids may cause the stool to transform into a narrow shape when it exists.
IBS poop varies greatly, often fluctuating between hard, lumpy, and difficult-to-pass stools (IBS-C) and loose, watery, and urgent stools (IBS-D), or alternating between both (IBS-M), sometimes with mucus present, but not blood. Shapes can range from small pellets to thin, pencil-like forms, and color might shift due to speed of passage (e.g., green/yellow for fast, darker for slow).
Other Factors: Pencil-thin stools can also occur due to less serious reasons like dietary changes, stress, or minor digestive issues. However, if you notice persistent changes in your stool or other symptoms, it is advisable to consult with a healthcare provider.
Boost Your Fiber: Incorporate more whole fruits, vegetables, and whole grains. Fiber adds bulk to your stool, making it easier to pass and potentially reducing thinness. Stay Hydrated: Dehydration can lead to harder stools, which may appear thinner when passed.
It is typical for a person who has stools twice or three times daily, after major meals. The diameter is 1 to 1.5 cm (0.4–0.6”). This form is close to the margins of comfort in several respects.
Colonic Obstruction: An obstruction in the colon, such as a mass, can lead to narrow stools. This is because the stool has to pass through a smaller opening, resulting in a thinner shape. Rectal Issues: Conditions affecting the rectum, like strictures or growths, can also cause stools to become narrow.
A lump or mass
Hemorrhoids commonly cause some rectal swelling, but they feel relatively soft and squishy to the touch. Growths caused by anal cancer, on the other hand, are typically larger and firmer. They're often painful or itchy, so it's normal to feel discomfort if you press down on them.
Explanation. Narrow stool, sometimes referred to as 'pencil thin stool,' is when the stool appears slimmer than usual. According to Reference 1, these terms are not definitive signs of any particular health condition.
They may be hard and small, pencil-thin, or loose and watery. The way stools pass changes. You may strain, feel an urgent need to have a bowel movement, or feel that you haven't completely passed a stool. You may have bloating or a feeling of gas in the intestines.
At this stage, we can't say whether it is healthier to do floaters or sinkers, he says. “It probably depends on exactly which gut bacteria are producing the gas.”
Symptoms of stress
An obstruction typically feels like severe cramping pain in your abdomen. The pain from a small bowel obstruction is more likely to come in short intermittent waves, occurring every few minutes or so. The pain is more likely to feel concentrated in one place.
The normal small-bowel wall is thin, measuring between 1 and 2 mm when the lumen is well distended (Fig. 1). However, the thickness of the normal small-bowel wall varies slightly depending on the degree of luminal distention.
Ileus refers to the intolerance of oral intake due to inhibition of the gastrointestinal propulsion without signs of mechanical obstruction. The diagnosis is often associated with surgery, medications, trauma, peritonitis, or severe illness.
Common Symptoms of Colon Stricture