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Choose collection locationStool Studies · Individual laboratory test
Helicobacter Pylori Antigen
A stool antigen test looks for evidence of current H. pylori infection. It may also be used after treatment when collection is timed correctly.
Price for this test on its ownAED 240Test price AED 140
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
- Sample
- Stool
- Laboratory turnaround
- 24 hours
- Collection
- Dubai
- Laboratory
- Intel Lab
Understanding the test
What does Helicobacter Pylori Antigen measure?
Also called H. pylori Stool Antigen
A clinician may request stool antigen for suspected active H. pylori infection or when checking clearance after treatment. The interval after medicines is central to a reliable result.
When it may be requested
Checking for active H. pylori
Stool antigen testing can identify evidence of a current infection.
Assessing eradication
Your clinician can choose the appropriate interval after treatment and review medicines that affect detection.
Before your sample
Prepare for collection
SpecimenStool
Your checklist
Confirm the timing with your prescriber, especially after antibiotics, bismuth or acid-suppressing treatment. These can affect whether the antigen is detected. Do not stop medicines on your own.
Use the stool collection container or kit provided for this test. Keep urine and toilet water out of the specimen and follow the team’s return instructions.
Smart Report
Understanding your result
24 hoursLaboratory turnaround
Result guideHelicobacter Pylori Antigen
Reading your result
A detected antigen supports active infection. Suppression by recent antibiotics, acid-reducing treatment or bismuth can make a negative result difficult to interpret.
What can affect it
- Recent acid suppression, bismuth or antibiotics can lead to a false-negative result.
From sample to follow-up
Your testing journey
Laboratory testHelicobacter Pylori Antigen
- Specimen
- Stool
- Turnaround
- 24 hours
Open your laboratory report
Look for Helicobacter Pylori Antigen in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the next step
Give the dates of antibiotics, bismuth and acid-suppressing treatment when reviewing a negative result or checking treatment response.
Clinical expertise
Your laboratory team
Patient questions
Before you book
Why does the clinician ask about acid-reducing medicines and antibiotics?
They can reduce the chance of detecting H. pylori and affect the timing of a follow-up test. Ask your prescriber for instructions before changing any medicine.
What does a positive H. pylori stool antigen result mean?
A Detected result means H. pylori antigen was found in your stool, which usually points to an active infection of the stomach lining. After treatment it can also mean the infection persisted, often because of antibiotic resistance, that you were reinfected, or that the test was done too soon. Treatment decisions belong to your doctor.
What are the symptoms of an H. pylori infection?
Many people have no symptoms. An ulcer can cause burning upper abdominal pain, indigestion or nausea. Vomiting blood, vomit that looks like coffee grounds, or black, tarry stools can signal bleeding and need emergency care. If you are losing weight without trying, contact your clinician promptly for an assessment.
When should I book a stool test after finishing H. pylori treatment?
Book the cure check at least four weeks after finishing antibiotics or bismuth. Proton pump inhibitors such as omeprazole generally need to be paused for two weeks beforehand to avoid a false negative. Ask your prescriber how to time your medicines and manage symptoms during the wait.
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Your next step
Helicobacter Pylori Antigen test at home.
Sources & further reading
Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.