Doctor insights on:
What Does A Standard Stool Sample Test For
Occult blood: The single most common test done on a stool sample is a very sensitive test for any blood in the stool; it is 'occult' because there is no blood one can see by sight. It is used as a screen for blood cells that could come from any place in the GI tract, even some blood in the mouth, like gums. It may serve to help find a cause of anemia or a screen for colon disorders; colonoscopy may come next. Read moreSee 2 more doctor answers
What is tested when you are asked to give a stool sample? Is there something that alerts them to any types of cancer in the test?
Blood in Stool: The most common test would be for blood in the stool. This can be a sign of colon polyps or cancer. It is also possible to test for certain types of intestinal infections in a stool sample. Stool blood testing is commonly done on people who have no symptoms. Testing for infection is usually part of the evaluation of symptoms (such as diarrhea). Read moreSee 1 more doctor answer
Is there a max time limit for how soon you have to return a frozen stool sample to lab for fresh stool test?
My daughter had stool sample had to put stool in two different bottles came back negative what does it all test for the stool culture?
Unsure: Would need more details as to what they took the stool sample for. They can check for bad bacteria and toxins from the bacteria. They sometimes check for ova and parasites which you can pick up easily when you are young. So it all depends on what was ordered and tested for so contact your provider or lab to find out. I hope this was helpful. Read more
Does it really matter if I took a stool sample from the toilet water for the Hemoccult test? Son has autism and refuses to have anything to catch it.
It would be better: To get it directly, especially if there is a trace of blood from skin or urine that's in the water. Did you try putting foil or plastic wrap between the seat and the rest of the toilet? Another way to do it is to take some of the stool from the toilet tissue you wipe him with (if you are wiping him). Read more
Stool sample c. Diff positive. How long does it last? How to know when it's gone. Will Flagyl alone cure it? Can I go to work? Are more tests needed?
I got a bit of toilet paper in my stool sample, I got the multiplex pcr test done and it detected D. fragilis, can toilet paper cause false detection?
No: Don't conclude too much from the presence of the amoeba. Not everybody who has it on board is sick from it. Read more
I had an annual rectal test with my physical that tested neg and also sent in stool sample which was neg. What about cologuard? Colonscopy for 2017.
Colonoscopy is best: Of the screening tests you have listed, colonoscopy is the only one that can also prevent colon cancer (by removal of precancerous lesions). If you have had one before and your next one is due in 2017, you do not need any further testing until then. This should hold true especially with what sounds like you had a negative fecal immunochemical test (FIT). Hope this helps! Read more
Do stool test vials expire quickly? My doctor gave me 7 vials with preservative in them I think, for giving stool sample, but I haven't collected the stool yet. Do the vials of liquid expire quickly?
Probably not: They probably don't expire quickly, but each vial manufacturer will have a different shelf life. Consider calling the manufacturer, or checking their website if the vials are labeled. You could always call your doctors office as well, and they can help you find out. Hope this helps! Read moreSee 1 more doctor answer
Testing for H.pylori: H.Pylori status is checked with the intention of treating the infection to eradication, when found. If persistent or recurrent, please ask your doctor to prescribe a drug combination different than your initial regimen--your h.Pylori may be resistant to the first antibiotics used. Serology alerts us to past infection; stool testing, breath testing, stomach biopsy identify active bacteria. Read more
How reliable is fecal calprotectin test for IBD if at time of stool sample flare up of SX isn't very bad / as bad as it has been previously.?
Not very: It is famously neither sensitive nor specific, but is one piece of information out of many. Read more
My 13 yo son has presented with elevated liver function tests for 3 months. Past 6 weeks he poos 6+ each day. Lethargic. Leucocytes in stool sample?
The pathology lab has requested a stool sample to test for bowel disease. What will happen if it comes back with something?
Depends: It depends on what it come back with. Why is the stool being tested? It would be prudent to take it up with the doctor who has ordered the test. Read more
Gas and discomfort come and go for a while now. EKG xrays ultrasound were done, all were good. Awaiting stool sample tests. Anything I can do to help?
Try FOD-MAP diet but: Feeling full of "gas" may reflect malabsorption of food (like gluten, lactose), intake of poorly digested food, or choosing foods known to promote gas (beans, fizzy drinks). Sometimes its more complicated--a stomach emptying too slowly, bacterial overgrowth syndrome, delayed intestinal function, partial obstruction from any cause, infection, rectum problems, and pelvic pathology outside the gut. Read more
Can an H. Pylori stool test be false negative if I was on Nexium (esomeprazole) and Carafate and other ppis for a notable length of time when I gave my sample?
Helicobacter pylori: False-negative results may occur when patients have ingested certain medications (antimicrobials, proton pump inhibitors, bismuth preparations) within the 2 weeks prior to specimen collection. The test may be repeated on a new specimen obtained 2 weeks after stopping treatment with these medications. Positive results are not affected by medication. Read more
Can chronic constipation cause a false normal fecal elastase stool test level? Sample only achieved after high dose bisacodyl laxative (25mg).
No: However, fecal elastase is famously neither sensitive nor specific for anything. It is helpful but only as one small part of a workup along with other indicators to determine whether to treat. Read more
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