How To Prepare
Many medicines can change the results of this test. You will need to avoid certain medicines depending on which kind of stool analysis you have. You may need to stop taking medicines such as antacids, antidiarrheal medicines, antiparasite medicines, antibiotics, laxatives, or Reference nonsteroidal anti-inflammatory drugs (NSAIDs) Opens New Window for 1 to 2 weeks before you have the test. Be sure to tell your doctor about all the nonprescription and prescription medicines you take.
Be sure to tell your doctor if you have:
- Recently had an Reference X-ray Opens New Window test using barium Reference contrast material Opens New Window, such as a Reference barium enema Opens New Window or Reference upper gastrointestinal series Opens New Window (barium swallow). Barium can interfere with test results.
- Traveled in recent weeks or months, especially if you have traveled outside the country. This helps your doctor look for the parasites, fungi, viruses, or bacteria that may be causing a problem.
If your stool is being tested for blood, you may need to avoid certain foods for 2 to 3 days before the test. This depends on what kind of stool test you use. And do not do the test during your menstrual period or if you have active bleeding from hemorrhoids. If you aren't sure about how to prepare, ask your doctor.
Do not use a stool sample for testing that has been in contact with toilet bowl cleaning products that turn the water blue.
|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