Allergy testing

Food and environmental allergy testing

Allergies occur when the immune system mistakenly identifies a food protein or environmental substance as harmful and produces IgE antibodies against it.

Where symptoms show up

Mild for some people. Serious for others. The pattern matters.

  • BreathingHay fever, dust, pets, mould, asthma.
  • DigestionTingling in the mouth, pain, vomiting, diarrhoea.
  • SkinEczema, hives, contact reactions, swelling.
  • Whole bodyDizziness, a drop in blood pressure, collapse.

Allergy or intolerance?

Different timing, different mechanism, different test.

Food allergyvsFood intolerance

How common

About 2% of the UK population

As many as 1 in 2

What it is

A rapid immune response driven by IgE antibodies

A sensitivity in how the body digests or handles a food, often involving IgG

When it shows

Usually within about 2 hours

Anywhere from 2 to 72 hours later

How serious

Can be severe. Anaphylaxis is a 999 emergency

Distressing, not typically life-threatening

What we do

IgE blood testing to share with your GP or specialist

Skin testing or IgG blood testing panels

Testing in clinic

IgE blood test

23 foods and 19 environmental allergens, taken in clinic and read by an accredited lab.

Results come back to you to share with your GP or specialist. Food Clinic NI cannot prescribe allergy medication.

Combined IgG and IgE

When symptoms cross over, both responses are measured from the same blood sample.

If this is anaphylaxis, call 999

Difficulty breathing, swelling of the lips, tongue or throat, wheeze, persistent cough, dizziness or collapse needs an ambulance. Say “anaphylaxis”.

Any swelling of the mouth or throat, or breathlessness with it, is an emergency.

999

Call for an ambulance. Food Clinic NI cannot prescribe allergy medication.

Questions

Booking allergy testing

No. You can book directly with Food Clinic NI without a GP referral. Simply choose your test and select a convenient appointment time. If you’re unsure which test is right for your symptoms, we can help guide your selection.

Book allergy or combination testing

IgE panels and combined IgG + IgE testing from one blood sample. Results to share with your GP or specialist.

Contact us