The causes of dark stools include certain medications, certain foods and bleeding in the upper portion of the digestive system, including the esophagus, according to Healthline. Less frequently, severe circulation problems in the digestive system may lead to dark stools.
A number of conditions, including liver and gallbladder disorders, pancreatic disorders and autoimmune diseases, can cause yellow stool, according to Healthline. Such conditions include cirrhosis of the liver, chronic pancreatitis and celiac disease.
Causes of changes in stool color include diarrhoea, consuming a particular food, diseases of the pancreas, liver and intestines, and certain medications and supplements, says MedicineNet. Normal stool color includes all shades of brown and green, reports Mayo Clinic.
UpToDate states that bloody stools in toddlers are a symptom of an anal fissure or intolerance to soy protein or milk. Bloody stools often come from the stomach and small intestine or the rectum, colon and anus. Even though bloody stools aren't always a serious condition, the toddler should still se
Stools that are very thin or pencil thin may be caused by various conditions, such as anal or colorectal cancer, fecal impaction, narrowing of the anus or rectum, and diverticulitis, according to HealthGrades. Inflammatory conditions, ulcers, surgery and trauma may also cause thin stools.
According to WebMD, flat ribbon stools are a symptom of irritable bowel syndrome. This condition not only causes abdominal discomfort and altered bowel habits, but it can also alter stool form.
A person's diet and the amount of bile in his stool cause his stool to have different colors, according to Mayo Clinic. Certain medications, supplements and diseases also cause stool to change color.
Consuming blueberries, beets or black licorice can cause black stools, according to About.com and HealthGrades. Several common medicines and supplements, such as iron supplements, aspirin and NSAIDs, can also cause black stools, as can medicines that contain bismuth, such as Pepto-Bismol, notes WebM
One potential cause of green-colored stool is that stool has passed through the intestinal system too rapidly, according to MedicineNet. When food passes too quickly through the intestines, the normal process of breaking it down is hastened, and the lack of time spent in the intestines is insufficie
While there are many causes of hard stools in adults, a lack of hydration, exercise and fiber are possible causes, according to WebMD. When a person has hard stools 25 percent or more of the time, he is constipated, but hard stools can also cause diarrhea.