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Stools - floating
Alternative namesFloating stools
DefinitionStools that float are generally associated with some degree of malabsorption of nutrients or excessive flatus (gas) .
Floating stools is seen is a variety of different situations. Most are diet-related or caused by episodes of diarrhea that accompany an acute gastrointestinal infection. A change in dietary habits can lead to an increase in the amount of gas produced by bacteria in the gastrointestinal tract.
Similarly, acute gastrointestinal infections can result in increased gas content in the intestines due to rapid movement of food through the GI tract. One misconception is that floating stools are caused by an increase in the fat content of the stool. In fact, it is increased gas levels in the stool that make it less dense and allow it to float.
Another cause of floating stools is malabsorption. More than two weeks of diarrhea with floating stools is often seen in people suffering from malabsorption, a dysfunction in the GI tract that affects the body's ability to digest and absorb fat and other types of foods.
Increased levels of nutrients in the stool (which have not been absorbed by the GI tract) are supplied to the normal bacteria that live in the gut, which in turn produce more gas. This results in more gas-rich stool that floats.
Dietary changes, diarrhea, and malabsorption can cause floating stools. Most causes are benign and will resolve when the infection ends or the bacteria in the GI tract become accustomed to the changes in your diet.
Patients with the following diseases can also have stool that floats:
Floating stools alone are not diagnostic of anything so they do not require home care. If a change in diet has caused problems, try to eliminate the offending food(s).
Call your health care provider if
It is important to discuss a change in stool characteristics with a doctor if they have been present for more than a couple of weeks. If blood, fever, or dizziness accompanies these changes, consult a physician immediately.
A health care provider will normally take a family history and disease history, and then complete a physical examination .
A stool sample and blood tests may be requested after the history and physical exam is completed. In most cases, however, this will not be required.
Medical history questions documenting floating stools in detail may include:
Update Date: 5/21/2002Andrew J. Muir, M.D. M.H.S., Division of Gastroenterology, Duke University Medical Center, Durham, NC. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT