Top
30
Doctor insights on: What Is The Reagent Found In Fecal Occult Blood Test

Share
1

1
Why is fecal occult blood test important?

Why is fecal occult blood test important?

Cancer: Blood in stool represents bleeding somewhere in the gastrointestinal tract. It needs be investigated by a GI specialist, especially to exclude colon cancer. ...Read more

Fecal Occult Blood (Definition)

Fecal occult blood testing is a tool you use at home to detect tiny amounts of blood in your stool. This may suggest that there is a polyp or cancer as the cause of the bleeding. Although the vast majority of positive tests for occult blood do not have a cancer, a positive result means you should have another test (such as colonoscopy) ...Read more


2

2
What happens if a if a fecal occult blood test is positive?

What happens if a if a fecal occult blood test is positive?

Depends: On other symptoms but a GI work up is indicated. This may include a colonoscopy and or upper endoscopy. Discuss with your doctor and get the proper evaluation. ...Read more

3

3
If feces for a fecal occult blood test touch toilet can it give false negative when testing?

If feces for a fecal occult blood test touch toilet can it give false negative when testing?

No: Lukas, you're a grown man now and you recognize that you have health concerns that are unrealistic. In a way it's good -- you'll be more vigilant -- but if these fears are preventing you from finding the peace you need to work, play and love, then some structured self-exploration might set you free. Be brave, and best wishes. ...Read more

5

5
I had an fecal occult blood test that is positive, waiting to see a GI Dr. This morning my BM had some visible blood in it. Should I get help sooner.

I had an fecal occult blood test that is positive, waiting to see a GI Dr. This morning my BM had some visible blood in it. Should I get help sooner.

No: Your life's only in danger if you develop black tarry stools, vomit blood, or go into shock, all of which will be obvious. Finding visible blood after a bowel movement, especially a difficult one, doesn't increase the urgency of a search for cancer, which is what the principal concern is in this case. Best wishes. ...Read more

6

6
Where can I buy a fecal occult blood test online?

Best see your doctor: There are 4 main types. Fecal immunochemical testing (fit)/immunochemical fecal occult blood test (ifobt), stool guaiac test for fecal occult blood (gfobt), fecal porphyrin quantification (hemoquant), and fecal dna test or pregen-plus. The stool guiac is the most proven, and can be done at home. But it is best to see your doctor since he/she can order it and a positive test must be followed up. ...Read more

7

7
Home fecal occult blood test ---what is a good one to buy?

Home fecal occult blood test ---what is a good one to buy?

Best to see your Dr.: This is done by 4 main methods. Fecal immunochemical testing that uses antibodies to detect globin, stool guaiac test for fecal occult blood which involves reaction of stool to hydrogen peroxide, fecal porphyrin quantification or hemoquant which measures hemoglobin, and fecal dna test/the pregen-plus which measures dna. It would be wise to check with your doctor and get tested accurately. ...Read more

8

8
Fecal occult blood test--can I do it at home for no charge?

Fecal occult blood test--can I do it at home for no charge?

Possibly: The materials do cost something to someone, however more importantly, doing the test at home can be unreliable. Better to have it performed by a professional who can interpret it correctly for you. Check with your pcp. ...Read more

10

10
Is there a difference between regular stool exam from fecal occult blood test?

Is there a difference between regular stool exam from fecal occult blood test?

Stool exam: There are several tests that can be done on stool. Tests could be for infection by bacteria or parasites. Tests could show inflammation or digestive disorders. The occult blood tests shows microscopic quantities of blood in the stool that could come from several reasons from hemorrhoids, polyps, diseases, ulcers or even a tumor. ...Read more

11

11
How much percentage of people have Cancer when Fecal occult blood test is positive? I waiting fora follow up appointment with a GI Dr.

Small incidence: About 25% of positive fecal occult blood tests are associated with cancer. The majority of the tests miss a cancer which may not release blood into stool or detect blood from intermal hemorrhoids or fissures in rectum. Blood tests to define gene mutations more accurate but don't guarantee tumor presence, only potential for developing malignancy. New tests detect shed tumor protein in stool. ...Read more

12

12
"Hunger pains" that come on at night or between meals. Dr did a fecal occult blood test which was positive. Referred to GI. What's this even mean?

"Hunger pains" that come on at night or between meals. Dr did a fecal occult blood test which was positive. Referred to GI. What's this even mean?

Don't freak out, ok?: A "fecal occult blood" test is a way of checking for bleeding from the gastrointestinal tract. It is a SCREENING test, and therefore, it is known to be falsely-positive at times, & can even be thrown off by certain OTC meds, for example. In a young (23yo) person, I would be looking for a bleeding ulcer in the stomach or small intestine, but even a bleeding hemorrhoid could cause a + test result. ...Read more

13

13
Fecal occult blood test stool card? I know how to smear stool on the card. But when I close the card, isn't it gonna get the card all dirty inside?

Fecal occult blood test stool card? I know how to smear stool on the card. But when I close the card, isn't it gonna get the card all dirty inside?

FOBT--how it works: If you're using the old hemoccult slide, you'll notice its two-sided. You place your specimen on one side, and close the lid. The doctor or lab, when developing your specimen, turns the card over, opens the back (its clean on that side), and applies the developer solution which soaks thru to your specimen. If a color change, the doctor or lab knows your specimen contains invisible blood. ...Read more

14

14
Fecal occult blood test and other signs of GI bleeding reliable?

Fecal occult blood test and other signs of GI bleeding reliable?

Not specific: Fecal occult blood tests detects peroxide activity in the fecal matter. Peroxidase activity is associated with hemoglobin, but not specific to it. Horse radish, among other things, has peroxidase activity, as does blood in meats. Fobt may be positive for any bleed from gums to hemorrhoids but is not specific for any diagnosis. It is a screening test, which if positive, needs more tests. ...Read more

15

15
How does an iscreen fecal occult blood test detect colon cancer?

How does an iscreen fecal occult blood test detect colon cancer?

No: A fecal occult test tests for blood in the stool. Colon cancer can be a cause but so can colon polyps, hemorrhoids, stomach ulcer and many other causes. Anyone with a positive fobt test should have further work up done to evaluate where the blood is coming from. ...Read more

16

16
Could a fecal occult blood test tell me if I have colon cancer?

Could a fecal occult blood test tell me if I have colon cancer?

Well..: It could show blood in the stool which could mean cancer but not all blood in the stool means cancer and not all colon cancers will have a positive test. Blood in the stool, especially if the patient is anemic, should be evaluated further. ...Read more

17

17
Can colon cancer be diagnosed on a fecal occult blood test?

FOBT is screen: Fobt is designed to test for blood in stool. Blood in stool may be due to any bleeding in the GI tract from the gums to the anus; and there are false positives also. If fobt is positive, colonoscopy is generally recommended to look of colon cancer. Fobt per se is not a diagnostic test for cancer, just blood in stool. ...Read more

18

18
Can a fecal occult blood test tell me if I have colon cancer?

Can a fecal occult blood test tell me if I have colon cancer?

No: Occult blood in stool suggests a point of bleeding from area near appendix across the colon to the rectum. This could be AV malformation, bleeding polyp, tumor, hemmorhoid or fissure. When blood is detected it has to be defined as to origin. Occassionally colonoscopy will reveal a lesion. Newer stool tests for tumor protein more accurate. ...Read more

19

19
I waiting to see a GI Dr for positive fecal occult blood test. Having heavy aching and bloating feeling in lower ab If it gets worse should I go ER?

I waiting to see a GI Dr for positive fecal occult blood test. Having heavy aching and bloating feeling in lower ab If it gets worse should I go ER?

It depends: If you start to see blood or something that looks like coffee grounds in stool, get weak or dizzy or get severe pain or fever, or cannot pass any stool you should. Otherwise, let the doc who referred you to the GI that you are now having more symptoms and see if your appointment can be moved up. ...Read more

20

20
Results of fecal occult blood test came back positive on 1 of 3 test strips doctor has referred me to get colonoscopy and EGD. Am worried about cancer?

FOBT.: While cancer is of course on the list of possibilities, a positive fecal occult blood test in no way diagnoses someone with cancer. There are many other benign possibilities. But investigations are necessary as treatment may be necessary for even a benign finding. ...Read more

21

21
What could a positive fecal occult blood test (quickvue iFob test) mean in a 23 yr old male? Reason was ordered was b/c of intermittent stomach pain

What could a positive fecal occult blood test (quickvue iFob test) mean in a 23 yr old male? Reason was ordered was b/c of intermittent stomach pain

Blood in the GI: Test of fecal occult blood will be positive from a number of causes, including bleeding gums, eating meats, eating food with peroxidase enzyme, any bleeding from the pharynx to colon. It may have been done to see if you have stomach ulcer that may be bleeding. ...Read more

22

22
Fecal occult blood test positive 3 times out of 3, normal colonocospy. Chronic diarrhea. What now?

Blood in stool: Blood in the stool is not normal and needs to needs to be explained. A normal colonoscopy does not rule out bleeding from the upper gastrointestinal tract. An upper endoscopy and /or upper GI series (xray procedure) would be needed to look for bleeding higher than the reach of a colonoscopy. ...Read more

23

23
What is the reagent found in fecal occult blood tests?

What is the reagent found in fecal occult blood tests?

See below: There is more than one way to test for occult blood in stool. See this site for more information.
http://www. Webmd. Com/colorectal-cancer/fecal-occult-blood-test-fobt. ...Read more

24

24
How long after hemorrhoids stop bleeding should I take occult blood test?

How long after hemorrhoids stop bleeding should I take occult blood test?

Why: Hello, I don't understand why you need occult blood test at your age. I don't understand, but if you just the wait a few weeks. The problem is that if you have hemorrhoid there may be microscopic bleeding that will show false positive. Have the hemorrhoid a examined. Hope that is all it is. Don't take lightly Rectal bleeding. Www. Drlugo. Com ...Read more

25

25
21 female, had an occult blood test 3 times and IBD tests which all came back negative, I have BM changes for 10 months doc said im fine. Concerned?

21 female, had an occult blood test 3 times and IBD tests which all came back negative, I have BM changes for 10 months doc said im fine. Concerned?

Abn bowels x 10 m: Have they checked for ova, parasites? bacteria like camphylobacter? Yeast overgrowth? celiac disease or gluten sensitivity? Sometimes one is sensitive to soy or other foods, can for that. Also check gallbladder for stones/ dyskinesia with sono and if needed HIDA scan. May also be bacterial overgrowth. Try a multispecies probiotic like Nexabiotic on Amazon f/u w/ GI doc, nutritionist ...Read more

26

26
Faecal occult blood test positive danger?

Maybe: The fecal occult blood test can be quite sensitive and may show blood in the stool from minor gastritis or esophagitis that is not significant. But, it could also be due to a large polyp or tumor so colonoscopy is always indicated when the fecal occult blood test is positive. Your primary doctor should be arranging this in the near future. ...Read more

27

27
What is the principle behind the occult blood test?

What is the principle behind the occult blood test?

FIT or hemoccult?: If you're using the old hemoccult slide, you'll notice its two-sided. Place your specimen on one side, close the lid. Doctor or lab, when developing your specimen, turns the card over, opens the back & applies the developer solution which soaks thru to your specimen. A color change indicates your specimen contains invisible blood. Principle & mechanics differ with FIT (fecal immunochemical test). ...Read more

28

28
Eating tomato can cause occult blood test positive?

Yes: One type of test for occult blood actually tests for peroxidase enzyme and tomatoes have this enzyme. An other type of test is for human globin protein and is not affected by tomato intake. ...Read more

29

29
Supposed to turn in occult blood test. Have bleeding hemorrhoids off and on. Is it okay to collect sample couple days after bleeding stopped?

Supposed to turn in occult blood test. Have bleeding hemorrhoids off and on. Is it okay to collect sample couple days after bleeding stopped?

No: It is important to have the hemorrhoids taken care of first, before doing occult blood test. A positive occult blood test, even a false positive one will lead to additional investigation which may not be warranted. It would not take gross bleeding from hemorrhoids to produce a positive occult blood test. ...Read more

30

30
So if last year I had negative occult blood test but a year later have positive blood occult test, is it possible something was miss last year?

So if last year I had negative occult blood test but a year later have positive blood occult test, is it possible something was miss last year?

Not necessarily: Some lesion could have developed over the period of a year. Some lesions bleed intermittently and that is why it is recommended that three samples be tested. Blood in the stool in an adult usually warrants a colonoscopy to find the cause of bleeding and to rule out colon cancer.
Wish you good health! . ...Read more

Occult Blood (Definition)

Blood that is not visible to the eye, but that can ...Read more