Diagnostic tests for Helicobacter pyl...

Diagnostic tests for Helicobacter pylori in peptic ulcer bleeding

There are 5 comments on the GastroHep.com story from Mar 25, 2012, titled Diagnostic tests for Helicobacter pylori in peptic ulcer bleeding. In it, GastroHep.com reports that:

April's issue of Helicobacter investigates the accuracy of diagnostic tests for Helicobacter pylori in patients with peptic ulcer bleeding.

Join the discussion below, or Read more at GastroHep.com.

enna

London, UK

#1 Apr 19, 2012
Please help. I have to provide a stool sample to test for H>Pylori. I took 2 doses of Pepto Bismol 2 weeks ago. Will this affect results?
Simona

Lyngby, Denmark

#2 Apr 19, 2012
enna wrote:
Please help. I have to provide a stool sample to test for H>Pylori. I took 2 doses of Pepto Bismol 2 weeks ago. Will this affect results?
For people who have been previously diagnosed with H. pylori infection and treated with eradication therapy, re-test (if indicated) at least four weeks after treatment. Urea breath test is preferred. However, stool antigen test could be used if urea breath test is not available.
Stop PPI use 14 days prior to testing. Withhold testing for 28 days after treatment with an antibiotic.
http://www.cks.nhs.uk/dyspepsia_proven_peptic...
Enna

London, UK

#3 Apr 20, 2012
Thanks for your comments but I'm still unclear regarding my situation. I have never been tested before and had only taken Pepto Bismol to relieve symptoms that I had 10-12 days ago. Can anyone tell me if this will give a negative result? Thanks
Simona

Lyngby, Denmark

#4 Apr 20, 2012
10-12 days could be a short time in order to get a reliable test result as per same site above:
"For people who have not previously been diagnosed with Helicobacter pylori infection, test with:
Stool antigen test (unless they have received a PPI in the past 14 days or an antibiotic in the past 28 days)".
Simona

Lyngby, Denmark

#5 Apr 20, 2012
Simona wrote:
10-12 days could be a short time in order to get a reliable test result as per same site above:
"For people who have not previously been diagnosed with Helicobacter pylori infection, test with:
Stool antigen test (unless they have received a PPI in the past 14 days or an antibiotic in the past 28 days)".
Sorry I think I was wrong above since, Pepto Bismol is not a PPI therefore is not reducing the acid of the stomach and is out of the system after so many days. I believe the test is good enough to see Helicobacter or not.

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