Gluten Sensitivity Test

The Gluten Sensitivity Test by SELFCheck can indicate whether you have coeliac disease. It uses a finger prick device to take a very small blood sample.

To get your gluten sensitivity test online from our UK pharmacy, select ‘buy now’ below and complete our order form. We’ll ship your test kit to you by 24 hours courier, so you can expect to receive your test in one working day.

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PLEASE NOTE: This treatment is not available through our online pharmacy service. This page is for information only. If you are experiencing any of the symptoms related to the condition(s) this medication treats, we strongly recommend that you see your GP in person.
Product information

The SELFCheck Gluten Sensitivity Test is a finger prick blood test. It detects the presence of an antibody in the blood, called immunoglobulin A tissue transglutaminase (or IgA tTG). High levels of this antibody are usually present in those with coeliac disease. In people who have coeliac disease and follow a gluten free diet, levels of this antibody will start to drop.

Coeliac disease is a condition which causes several symptoms when flaring, including diarrhoea, feelings of being bloated, flatulence, digestion problems, constipation, and in some cases fatigue, a rash, or unexpected weight loss. It’s an inflammatory condition affecting the gut. It is triggered by the consumption of foods containing gluten (wheat, barley and rye). Examples of this type of food are bread, pasta, cereals and cakes. Some marinades and cooking sauces contain gluten as well.

The condition is sometimes described as a gluten allergy, or gluten intolerance. However, an expert we spoke to from charity Coeliac UK explained that, technically, the condition doesn’t fall squarely into either category. Food allergies often cause a (potentially life-threatening) reaction in seconds, and are initiated by the immune system; whereas food intolerances cause less serious symptoms over a longer period, and are not an autoimmune response.

The symptoms of coeliac disease are due to a reaction by the immune system to the intake of gluten, but they don’t occur straight away and generally are not life-threatening. Coeliac disease symptoms can be very similar to those triggered by food intolerances, but they are not caused by the same mechanisms in the body.

In the gut, the large intestine is lined with what’s known as villi. These enable the tissue in the intestine to expand, so it can better cope with digestion. Because the immune system attacks the gut in coeliac disease and causes inflammation, this restricts the capacity of villi to do this, and makes digestion much harder.

The reasons why some people develop coeliac disease and others do not is unclear. However, having a family member with the disease is thought to increase the likelihood of it occurring, and certain environmental factors (such as having a gastric virus during childhood, or being introduced to gluten before the age of six months) have been linked with the condition.

People who are diagnosed with coeliac disease will normally have to make adjustments to what they eat so as not to aggravate symptoms, by adopting a gluten-free diet. A dietitian will be able to help with this. Foods which traditionally contain gluten, such as bread, pasta, and different types of cooking sauces, are now available as gluten-free alternatives in the ‘free from’ section in supermarkets. Some people with coeliac disease may also be able to get gluten-free items on an NHS prescription, but eligibility can vary depending on where they live.

The SELFCheck Gluten Sensitivity Test can help you to determine whether you may have coeliac disease, and require specialist advice. It uses a very small blood sample taken from the tip of the finger. This looks for the IgA tTG antibody in the blood, and is thought to be a reliable indicator of coeliac disease. The test doesn’t need to go to a lab, and produces a result in 5 minutes.

To buy your gluten sensitivity test online, click below to place your order. You’ll be given a short form to fill out, and your order will be sent to you in secure packaging by tracked next-day courier.

Page last reviewed:  03/12/2018
Contents

Supplied with this test are the following:

  1. an instruction leaflet
  2. a cassette and pipette in a foil pouch
  3. a plaster
  4. an alcohol swab
  5. a sterile finger pricker
  6. a plastic tube with a thin glass tube inside
  7. and a plastic tube containing diluting solution.

If you receive your kit with any of the above items missing, please contact us.

Page last reviewed:  03/12/2018
Please read the patient information leaflet for this medicine fully before use:

Directions

Follow the instructions carefully when performing this test. If you are unsure about anything, please let us know and one of our clinical team should be able to provide further advice.

  1. Wash your hands and dry thoroughly.
  2. Take off the cap on the finger pricker. You can do this by twisting it and pulling it.
  3. Massage the finger you are drawing a sample from. It is recommended that you use your ring or middle finger.
  4. Wipe the end of this finger with the alcohol swab.
  5. Press the pricker firmly against your finger.
  6. Activate the needle by pressing the blue button.
  7. Take the thin glass tube out of the larger plastic tube.
  8. Massage your lanced finger so that a drop of blood forms.
  9. Holding the thin glass tube horizontally, touch the end of it against the droplet of blood on your finger. Keep it there until the tube is full.
  10. Once full, put the thin glass tube into the plastic tube containing the solution. This will dilute the blood. Screw on the cap and shake to mix it together.
  11. Clean your lanced finger and apply the plaster.
  12. Allow the solution to sit at the bottom of the tube for a minute or two.
  13. Take your test cassette and pipette from the foil pouch.
  14. Take up some of the diluted sample with the pipette.
  15. Squeeze three drops from the pipette into the ‘S’ compartment in the cassette.
  16. Leave the test for 5 minutes.
  17. Do not wait more than 10 minutes to view your result, as it may be less accurate.
  18. If your result is negative, you will see a line in the C field, and no line in the T field.
  19. A positive result is indicated by a line in both the C field and the T field.
  20. No line in the C field indicates an invalid result. This might occur if you have made a mistake when conducting the test.
  21. People with a positive result should speak to their doctor.
  22. If you get a negative result, but continue to experience symptoms similar to that of coeliac disease, you should still see your doctor to rule out other causes.
Page last reviewed:  03/12/2018
Please read the patient information leaflet for this medicine fully before use:

Q&A

How does it work?

The test contains a lancet, which is used to take a blood sample from the finger. This is then dropped into a test cassette, which detects the presence of an antibody called IgA tTG. People who have this antibody are likely to have coeliac disease.

Does it need to go to the lab?

No. It can be performed at home, and the result appears on the test cassette.

How long does it take?

The result takes five minutes to appear once the sample has been done. In total, it shouldn’t take you more than 10 minutes to prepare and complete.

What kind of sample do I have to give for this test?

A blood sample from the end of the middle or ring finger.

What happens if I’m negative?

You are not likely to have coeliac disease. However, it is possible for a negative reading to appear on the test if you are deficient in the antibody it tests for. If your symptoms persist, you should talk to your doctor, who may wish to perform further tests.

What happens if I’m positive?

The probability is high that you have coeliac disease. If you test positive, you should arrange to see your doctor, so that they can provide you with the appropriate advice on managing symptoms, and refer you to a dietitian if necessary.

How accurate is the gluten sensitivity test?

Compared against biopsy proven diagnosis, the test demonstrated 97.4% sensitivity and 96.9% specificity. This means that out of a test pool of 390 people, it correctly identified positive results in 97.4% of people with coeliac disease, and correctly identified negative results in 96.9% of people without disease.

Is coeliac disease curable?

Not currently. However, many people with the condition will find that they can keep symptoms under control provided they eat the right diet.

Can you get complications from coeliac disease?

If someone has coeliac disease and doesn’t switch to a gluten-free diet, it is possible for the bowel to sustain further damage. As such, they may be less able to take up certain nutrients from foods such as vitamin B12 and iron. This can, in turn, increase the risk of conditions like anaemia and osteoporosis.

Who should get tested?

People experiencing symptoms associated with coeliac disease, such as feeling bloated, stomach pain, tiredness, constipation or diarrhoea, can find out if they have the condition by taking the gluten sensitivity test. It can help you to know whether you might need to see a doctor about your symptoms, and what the cause may be.

To buy the SELFCheck Gluten Sensitivity Test online from our UK pharmacy, click to order below, and fill in our short form. Your test will be shipped to you by next-day courier.

Page last reviewed:  03/12/2018
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