From the Guidelines
Pale stool color, specifically light beige, is typically caused by a lack of bile in the stool, which can be a sign of an underlying health issue, such as bile duct obstruction, gallbladder problems, or liver disease. This condition can prevent sufficient bile from reaching the intestines, resulting in stools that are lighter in color than normal. According to a study published in 2020 by the Canadian Association of Gastroenterology 1, altered bile acid metabolism is a common but frequently undiagnosed cause of chronic diarrhea, which can also be related to changes in stool color.
Possible Causes of Pale Stool
- Bile duct obstruction: This can prevent bile from flowing into the intestines, resulting in pale or clay-colored stools.
- Gallbladder problems: Issues with the gallbladder, such as gallstones or inflammation, can also affect bile production and flow.
- Liver disease: Certain liver conditions, such as cirrhosis or hepatitis, can impact the production of bile and lead to changes in stool color.
- Diet: Foods with lighter colors or high fat content can produce lighter-colored stools.
- Medications: Certain medications, such as antacids containing aluminum hydroxide, can lighten stool color. It is essential to note that while light beige stool color can be normal in some cases, persistently pale or clay-colored stools may indicate a potential health concern. If the stool remains unusually light for several days, especially if accompanied by other symptoms like abdominal pain, jaundice, or dark urine, it is crucial to consult a healthcare provider for proper evaluation.
From the Research
Causes of Pale Stool Color
- Pale stool color, specifically light beige, can be caused by a lack of bile pigment in the stool 2
- Extrahepatic biliary atresia is a condition that can cause pale stools due to the obstruction of bile flow from the liver to the intestine 2
- Bile acid diarrhea (BAD) is a condition that can cause changes in stool color and consistency, although it is not directly linked to pale stool color 3, 4, 5
- The small-bowel water content (SBWC) in the ileum can reflect bowel habits, and bile pigments in SBWC may contribute to the color of the stool 6
Related Conditions
- Bile acid diarrhea (BAD) is a common but under-recognized gastrointestinal condition that manifests with increased stool frequency and urgency, and a looser stool consistency 4
- Idiopathic BAD can occur in adults and adolescents, and is characterized by increased hepatic synthesis and colonic bile acid levels 5
- Extrahepatic biliary atresia is a condition that requires early diagnosis and treatment to prevent complications such as coagulopathy and liver damage 2