Stool Culture

Culture, Stool, Fecal Culture

Test Overview

A stool culture is done to identify bacteria or viruses that may be causing an infection. Although more than 50 different kinds of bacteria normally live in the intestines, large numbers of abnormal bacteria, viruses, fungi, or parasites can grow in the intestines and cause infections and diseases.

For a stool culture, a stool sample is collected in a clean container and placed under conditions that allow bacteria or other organisms to grow. The type of infection is identified by noting the appearance of the growth, by performing chemical tests on the stool sample, and by looking at the sample under a microscope.

Depending on what your stool is being tested for, you may only need to collect one stool sample, or you may need several stool samples over a period of days.

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Author:	Monica Rhodes	Last Updated: April 11, 2008
Medical Review:	Kathleen Romito, MD - Family Medicine Peter J. Kahrilas, MD - Gastroenterology
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