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 more
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 more
Can stool sample for DNA test be kept in the refrigerator without any stabilizer solution? And how long?
It can be kept refrigerated for 3-4 days, or longer. It would be prudent to check with the laboratory that will be doing the testing if any preservative is needed.
Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more
Is there a max time limit for how soon you have to return a frozen stool sample to lab for fresh stool test?
Interesting question: ... And not one that's known to most physicians, I imagine. If no one else is able to chime in, i'd recommend calling the lab you're supposed to submit it to - they should be able to tell you when need to turn it in by. ...Read more
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 more
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?
Evaluate promptly: These are concerning problems that should be fully evaluated. He needs to see a pediatric gastroenterologist soon. ...Read more
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
Hello Doc. My stool test sample shows that puss cells have been detected and the range is 8-10 /hpf and I am experiencing an upset in bowel movement! ?
I have had low iron and hemigloban. After blood test, stool sample, CT scan, and ultra sound, no reason found. Any ideas?
Yellow/light colored diarrea. Had colonoscopy, CT with dye, stool sample, every blood test possible 2 times. Ultrasound. All perfect. What could it be? Thanks
Last 6 months having low rectum pain and low back pain. X ray and ct of low back show nothing, what other test should be done thanks also did stool sample and it shows a very small amount of blood. Now after I eat I feel like vomiting?
I have a burning sensation when ejaculate at the tip. But I'm not sexually active haven't been for a few months. I recently had stool sample an a urine test done for my job. The urine sample was giving for to see if parasites or Infections. Everything wa
Seek treatment...: Burning with ejaculation can sometimes be an infection of a sexually transmitted infection such as Chlamydia. The tests for Chlamydia aren't perfect and it can be missed by a urine test. Even if you haven't recently been sexually active, the infection could be from an encounter months ago. You might consider having it treated just to be sure. Best wishes! ...Read more
Stool exam parasites: Stool samples for parasites are examined by a variety of techniques, but the sensitivity depends mostly on the level of infection (heavy vs. Light) and the particular parasite. Certain types are readily identified by most lab personnel-- the common ones. Less common organisms with light infestations may be difficult to find and identify. Best to use an experienced lab. ...Read more
Purpose?: This will depend upon the reason it is being submitted. Generally your doctor will provide you with a container into which a specimen can be placed. Sometimes they can extract enough during a rectal exam to satisfy the need for a specimen. If it is for culture, it should be fresh (if that is an acceptable term for stool). ...Read more
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