What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Taking medicines such as antibiotics, antidiarrheal medicines, barium, bismuth, iron, ascorbic acid, Reference nonsteroidal anti-inflammatory drugs (NSAIDs) Opens New Window, and magnesium.
- Contaminating a stool sample with urine, blood from a menstrual period or a bleeding Reference hemorrhoid Opens New Window, or chemicals found in toilet paper and paper towels.
- Exposing the stool sample to air or room temperature or failing to send the sample to a laboratory within 1 hour of collection.
|By:||Reference Healthwise Staff||Last Revised: Reference March 7, 2012|
|Medical Review:||Reference Adam Husney, MD - Family Medicine
Reference Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology
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