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Newfoundland Stomach Ulcer Test

Newfoundland Stomach Ulcer Test

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  • ✔️ Detects H. pylori — the leading bacterial cause of stomach ulcers
  • ✔️ Results ready in just 10 minutes from a stool sample
  • ✔️ Over 90% sensitivity and specificity in clinical studies
  • ✔️ Suitable for initial diagnosis and post-treatment confirmation
  • ✔️ No prescription needed — discreet home testing for adults

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What Is a Stomach Ulcer Test and Do You Need One?

 

Stomach ulcers — medically known as peptic ulcers — affect a significant number of people in the UK every year. The most common bacterial cause is Helicobacter pylori (H. pylori), a spiral-shaped bacterium that damages the protective lining of the stomach. If you've been experiencing persistent upper abdominal pain, bloating, nausea, or a burning sensation that seems to ease and then return, a stomach ulcer test could be a sensible first step. The Newfoundland Stomach Ulcer Test is a rapid faecal antigen test that checks for H. pylori infection from the comfort of your own home, for just £6.24.

According to the NHS, H. pylori infection is very common and is thought to affect around half of the world's population, though many people never develop symptoms. When symptoms do appear, getting tested early can help you and your GP decide on the right course of action before the condition worsens. If you're also managing digestive discomfort more broadly, you might find our indigestion range useful alongside this test.

 

How Does the Newfoundland Stomach Ulcer Test Work?

 

This test uses a lateral flow immunoassay method to detect H. pylori antigens directly in a stool (faecal) sample. It's the same principle used in many rapid diagnostic tests — antibodies on the test strip bind to specific proteins shed by the bacteria, producing a visible line if the antigen is present. The process is straightforward:

  • Collect a small stool sample using the collection tool included in the kit
  • Mix the sample with the provided buffer solution in the sample tube
  • Apply a few drops of the diluted sample to the test cassette
  • Wait 10 minutes and read the result — one line means negative, two lines means positive

No laboratory equipment is needed. The entire process takes under 15 minutes and can be done privately at home.

 

Who Should Consider Using This Stomach Ulcer Test?

 

This test is designed for adults who want to check whether H. pylori may be contributing to their digestive symptoms. It's particularly relevant if you've been experiencing recurring symptoms and haven't yet spoken to a GP, or if you want to monitor your status after completing H. pylori eradication treatment. It is not intended as a replacement for professional medical diagnosis.

You may benefit from this test if you:

  • Have persistent or recurring upper abdominal pain or discomfort
  • Experience frequent bloating, burping, or nausea without a clear cause
  • Have a family history of stomach ulcers or gastric cancer
  • Want to check whether H. pylori eradication treatment has been successful

 

How Does This Test Compare to Other H. Pylori Testing Methods?

 

Feature Newfoundland Stomach Ulcer Test Urea Breath Test (GP)
Setting Home use GP surgery or hospital
Sample type Stool (faecal antigen) Breath sample
Result time 10 minutes 30–60 minutes
Cost £6.24 Free on NHS (with referral)

 

Is the Newfoundland Stomach Ulcer Test Clinically Reliable?

 

Faecal antigen tests are recognised by NICE and the NHS as a reliable method for detecting active H. pylori infection. They are recommended both for initial diagnosis and for confirming successful eradication after treatment. That said, accuracy can be affected by certain medicines. You should avoid using this stomach ulcer test within four weeks of taking antibiotics or bismuth-containing preparations, and within two weeks of stopping proton pump inhibitors (PPIs) such as omeprazole, as these can suppress H. pylori to levels below the test's detection threshold, leading to a false-negative result.

Store the test kit below 30°C, away from direct sunlight and moisture. Keep it out of reach of children. If you're managing other gut-related conditions alongside potential H. pylori infection, our IBS and cramps collection may also be worth exploring.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Newfoundland Stomach Ulcer Test specifications
Treatment category Diagnostic / Gastrointestinal
Mechanism of action Lateral flow immunoassay detecting H. pylori faecal antigens
Effective for Detection of active Helicobacter pylori infection
Suitable for Adults aged 18 and over
Active ingredient Anti-H. pylori antibody reagent (diagnostic)
Pack size 1 test kit
UK classification General Sale / Diagnostic device
Preparation Rapid lateral flow cassette
Route of administration Stool sample (faecal antigen)

Specifications of Newfoundland Stomach Ulcer Test

 

What Is the Newfoundland Stomach Ulcer Test and What Is It Used For?

 

The Newfoundland Stomach Ulcer Test is a rapid, at-home faecal antigen test used to detect the presence of Helicobacter pylori (H. pylori) — a bacterium strongly associated with the development of peptic ulcers and chronic gastritis. H. pylori infection is one of the most common bacterial infections worldwide, and the NHS identifies it as the leading cause of stomach ulcers in the UK. By detecting H. pylori antigens in a stool sample, this test can indicate whether an active infection is present, helping you and your GP make informed decisions about next steps.

It is important to understand that this test is a screening tool, not a definitive diagnosis. A positive result should always be followed up with your GP, who may arrange a confirmatory test — such as a urea breath test — before prescribing treatment.

 

What Do You Need to Know Before Using the Newfoundland Stomach Ulcer Test?

 

Before using this test, there are several important factors to consider. Certain medicines and conditions can interfere with the accuracy of the result.

Do not use this test if:

  • You have taken antibiotics or bismuth-containing medicines within the last four weeks
  • You have taken proton pump inhibitors (e.g. omeprazole, lansoprazole) within the last two weeks
  • You have active gastrointestinal bleeding, as this may affect the result
  • You are under 18 years of age (seek medical advice instead)
  • The test kit is past its expiry date or the packaging has been damaged

Potential interactions to be aware of:

  • Proton pump inhibitors (PPIs) — can suppress H. pylori below detectable levels
  • Antibiotics — may temporarily eradicate or reduce bacterial load, causing false negatives
  • Bismuth subsalicylate — suppresses H. pylori antigen shedding in stool
  • H2-receptor antagonists (e.g. ranitidine, famotidine) — may reduce test sensitivity if taken recently

 

How Should You Use the Newfoundland Stomach Ulcer Test?

 

Using this test correctly is essential for an accurate result. Follow these steps carefully and read the full instructions included in your kit before you begin.

  1. Wash your hands thoroughly before and after handling the sample
  2. Use the collection tool provided to collect a small stool sample — approximately the size of a pea
  3. Place the sample into the sample buffer tube and mix by shaking gently
  4. Allow the mixture to settle for 1–2 minutes
  5. Apply 2–3 drops of the diluted sample to the sample well on the test cassette
  6. Wait exactly 10 minutes before reading the result — do not read after 15 minutes
  7. Interpret the result: one line (C only) = negative; two lines (C and T) = positive; no lines = invalid (repeat with a new kit)
Indication Age Group Test Use Frequency
Initial H. pylori screening Adults 18+ One test Once, then GP follow-up if positive
Post-eradication confirmation Adults 18+ One test At least 4 weeks after completing treatment

 

What Are the Possible Side Effects of the Newfoundland Stomach Ulcer Test?

 

As a diagnostic test rather than a medicine, the Newfoundland Stomach Ulcer Test does not carry pharmacological side effects. However, there are a few practical considerations worth noting.

Common considerations:

  • Mild discomfort or embarrassment associated with stool sample collection
  • Anxiety related to awaiting or interpreting the result
  • Potential for a false-negative result if medicines have not been stopped in time

Less common considerations:

  • Invalid results due to insufficient sample volume or incorrect technique
  • Misinterpretation of a faint test line — if in doubt, consult your pharmacist

If your result is positive and you go on to receive H. pylori eradication therapy from your GP, that treatment (typically a combination of antibiotics and a PPI) may cause side effects including nausea, diarrhoea, and a metallic taste. These are related to the treatment, not the test itself. You can browse our diarrhoea relief range if you experience loose stools during antibiotic treatment.

 

How Should You Store the Newfoundland Stomach Ulcer Test?

 

Correct storage is important to maintain the integrity of the test components and ensure an accurate result.

  • Store at room temperature, below 30°C
  • Keep away from direct sunlight, heat sources, and moisture
  • Do not freeze the test kit
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the outer packaging
  • Once the foil pouch is opened, use the test immediately
  • Dispose of used test components as clinical waste or in accordance with your local council guidelines

If you're managing broader digestive health concerns, our pain relief collection includes options that may help with the abdominal discomfort sometimes associated with H. pylori infection while you await GP advice.

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Frequently Asked Questions

Where can I buy the Newfoundland Stomach Ulcer Test online in the UK?

You can order the Newfoundland Stomach Ulcer Test directly from Cured Pharmacy online for £6.24. It is supplied by a GPhC-registered UK pharmacy and dispatched discreetly to your home address. No prescription is required as this is an over-the-counter diagnostic test.

How does the Newfoundland Stomach Ulcer Test detect H. pylori?

The test uses a lateral flow immunoassay to detect H. pylori antigens shed in your stool. Antibodies on the test strip bind to these antigens and produce a visible coloured line if the bacterium is present. This method detects active infection rather than past exposure, making it clinically useful for both initial diagnosis and post-treatment confirmation.

How do I use the Newfoundland Stomach Ulcer Test step by step?

Collect a small stool sample using the collection tool in the kit, mix it with the buffer solution provided, and apply a few drops to the test cassette. Read the result after exactly 10 minutes — one line means negative, two lines means positive, and no lines means the test is invalid and should be repeated. Always read the full instructions included in the packaging before you begin.

How accurate is a home stomach ulcer test for H. pylori?

Faecal antigen tests for H. pylori have reported sensitivity and specificity of over 90% in published clinical literature, and they are recommended by NICE as a valid method for detecting active infection. However, accuracy can be reduced if you have recently taken antibiotics, proton pump inhibitors, or bismuth-containing medicines. A positive result should always be confirmed by your GP before any treatment is started.

Who is the Newfoundland Stomach Ulcer Test suitable for?

This test is suitable for adults aged 18 and over who are experiencing symptoms that may suggest an H. pylori infection, such as persistent upper abdominal pain, bloating, nausea, or frequent indigestion. It is also useful for adults who have completed H. pylori eradication treatment and want to confirm the infection has cleared. It is not recommended for children without prior medical advice.

What should I do if my stomach ulcer test result is positive?

If your result is positive, contact your GP as soon as possible to discuss your symptoms and arrange a confirmatory test. Your GP may prescribe a course of eradication therapy — typically a seven-day course of two antibiotics combined with a proton pump inhibitor. Do not self-treat based on a home test result alone.

Can I use this test while taking omeprazole or other antacids?

You should not use this test within two weeks of stopping proton pump inhibitors such as omeprazole or lansoprazole, as these medicines suppress H. pylori to levels that may fall below the test's detection threshold, causing a false-negative result. Standard antacids such as Gaviscon or calcium carbonate tablets are less likely to interfere, but always check with your pharmacist if you are unsure.

What happens if my stomach ulcer test result is negative but I still have symptoms?

A negative result means H. pylori antigens were not detected in your sample at the time of testing, but it does not rule out other causes of your symptoms. If you continue to experience persistent abdominal pain, bloating, or indigestion, you should speak to your GP who can investigate further. Other conditions such as gastritis, irritable bowel syndrome, or acid reflux may produce similar symptoms.

Can I use this test to check if H. pylori treatment has worked?

Yes — faecal antigen tests are recommended by NICE for confirming successful H. pylori eradication after treatment. You should wait at least four weeks after completing your antibiotic course before testing, and at least two weeks after stopping any proton pump inhibitors. Testing too soon may produce a false-negative result even if some bacteria remain.

What are the alternatives to the Newfoundland Stomach Ulcer Test?

The main alternatives include the urea breath test and blood serology testing, both of which are available through your GP on the NHS. The urea breath test is considered highly accurate for active infection and is widely used in clinical practice. Blood tests detect antibodies to H. pylori but cannot distinguish between current and past infection, making them less useful for post-treatment confirmation. You can also explore our electrical health and diagnostic range for other home monitoring tools.

Is the Newfoundland Stomach Ulcer Test safe to use during pregnancy?

The test itself — involving only stool sample collection — carries no pharmacological risk during pregnancy. However, if your result is positive, you should inform your GP that you are pregnant before any treatment is prescribed, as some antibiotics used in H. pylori eradication therapy are not suitable during pregnancy. Always seek medical advice before starting any treatment while pregnant.

How long does it take to get a result from this stomach ulcer test?

Results are available within 10 minutes of applying the sample to the test cassette. You should not read the result before 10 minutes or after 15 minutes, as this may affect accuracy. The result window is clearly labelled on the cassette, and the instructions include a visual guide to help you interpret the lines correctly.

What does a faint line on the test cassette mean?

Any visible line in the test (T) zone — regardless of how faint — is considered a positive result for H. pylori antigens. A faint line does not mean a weakly positive result; it simply means the test has detected the antigen. If you are unsure about your result, contact your pharmacist or GP for guidance before drawing any conclusions.

How should I dispose of the Newfoundland Stomach Ulcer Test after use?

Used test components — including the cassette, sample tube, and collection tool — should be treated as clinical waste and disposed of carefully. Seal them in a plastic bag before placing in your household waste bin, in line with standard guidance for home diagnostic tests. Do not attempt to reuse any part of the kit.

What are the latest research findings on faecal antigen tests for H. pylori?

Current NICE guidance (CG184) supports the use of faecal antigen testing as a first-line non-invasive method for diagnosing H. pylori in patients presenting with dyspepsia. Published clinical evidence consistently shows sensitivity and specificity above 90% for monoclonal antibody-based faecal antigen tests, which are considered comparable to the urea breath test in accuracy. Research continues to support their use for both initial diagnosis and post-eradication confirmation in primary care settings. If you're also looking to support your digestive health more broadly, our IBS and cramps collection includes a range of relevant products.

How Should You Use the Newfoundland Stomach Ulcer Test?

Before you begin, read the full instruction leaflet included in your kit. Correct technique is essential for an accurate result, so take a moment to familiarise yourself with all the components before collecting your sample.

Follow these steps carefully:

What Is the Correct Dose of the Newfoundland Stomach Ulcer Test?

This is a single-use diagnostic test, not a medicine with a dose. Each kit contains one test cassette and is intended for one-time use only. If your result is invalid (no lines appear), you will need a new kit to repeat the test.

The table below outlines appropriate use by indication and age group:

When Is the Best Time to Use the Newfoundland Stomach Ulcer Test?

There is no specific time of day required for this test. However, it is best performed when you have not taken antibiotics for at least four weeks and have been off proton pump inhibitors for at least two weeks, as these medicines can interfere with the result. Many people find it convenient to collect a morning sample as part of their regular bathroom routine.

If you are testing to confirm eradication after treatment, wait at least four weeks after completing your antibiotic course before using the test. Testing too soon risks a false-negative result even if residual bacteria remain.

How Long Can You Use the Newfoundland Stomach Ulcer Test For?

This is a single-use test and should not be reused under any circumstances. Each kit is designed for one test only. If you need to test again — for example, to confirm eradication after treatment — you will need to purchase a new kit.

Do not use the test after the expiry date printed on the outer packaging, as the reagents may have degraded and the result may be unreliable. Store unused kits correctly (below 30°C, away from moisture and direct sunlight) to maintain their integrity until use.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Considerations When Using the Newfoundland Stomach Ulcer Test?

Because the Newfoundland Stomach Ulcer Test is a diagnostic device rather than a medicine, it does not produce pharmacological side effects in the traditional sense. That said, there are practical considerations that can affect your experience and the reliability of your result. The most frequently reported issues relate to sample collection and result interpretation rather than any physical reaction to the test itself.

  • Mild discomfort or embarrassment associated with collecting a stool sample
  • Anxiety while waiting for or interpreting the result
  • False-negative results if medicines such as antibiotics or proton pump inhibitors have been taken too recently
  • Difficulty collecting an adequate sample volume, particularly if stools are loose

What Are the Less Common Issues Associated With This Test?

Less commonly, users may encounter technical difficulties that affect the validity of the result. These are usually avoidable with careful adherence to the instructions provided in the kit.

  • Invalid results (no lines appearing) due to insufficient sample or incorrect technique
  • Misinterpretation of a faint test line — any visible line in the T zone is a positive result
  • Contamination of the sample with water, urine, or cleaning products, which can affect accuracy
  • Reading the result outside the 10–15 minute window, which may produce misleading colour changes

What Are the Serious Risks of Using the Newfoundland Stomach Ulcer Test?

The test itself carries no serious physical risks. However, the most clinically significant concern is acting on an incorrect result without seeking professional confirmation. A false-negative result — most commonly caused by recent antibiotic or PPI use — could lead you to dismiss symptoms that warrant medical attention. Equally, a positive result should never be used to self-prescribe treatment. H. pylori eradication therapy involves prescription antibiotics, and self-treatment is not appropriate or safe.

If you experience severe or worsening abdominal pain, unexplained weight loss, difficulty swallowing, or blood in your stools, do not rely on a home test — seek urgent medical attention immediately, as these symptoms may indicate a more serious condition.

What Should You Do If You Experience Problems With the Test?

If your result is invalid, contact your pharmacist for advice before purchasing a replacement kit. If your result is positive and you are unsure what to do next, speak to your GP as soon as possible. Do not delay seeking medical advice if your symptoms are worsening. Your pharmacist can also help you interpret your result and advise on next steps if you are uncertain.

Can the Newfoundland Stomach Ulcer Test Interact With Other Medicines?

The test does not interact with medicines in a pharmacological sense, but certain medicines can significantly affect the accuracy of the result. Proton pump inhibitors (e.g. omeprazole, lansoprazole, pantoprazole), antibiotics, and bismuth-containing preparations can all suppress H. pylori antigen levels in stool, leading to false-negative results. You should stop PPIs at least two weeks before testing and antibiotics at least four weeks before testing. If you are unsure whether any of your current medicines could affect the result, speak to your pharmacist before using the test.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

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Content last updated: 31 Mar 2025

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