
ALEX3 Allergy Testing
- No waiting lists
- Highly precise, fast results
- Next day appointments
- Pay in 3

What Makes ALEX3 Different?
Unlike traditional allergy tests, ALEX3 uses molecular allergology, meaning it doesn’t just tell you what you’re allergic to - it shows you exactly which proteins trigger your reaction.
This level of detail helps:
Distinguish between true allergies and cross-reactions
Avoid unnecessary food or lifestyle restrictions
Support more accurate, personalised treatment plans
Who Is This Test For?
ALEX3 is ideal if you:
Experience ongoing or unexplained allergy symptoms
Have multiple or complex allergies
Want clarity on food sensitivities
Haven’t found answers with standard testing
Get Clarity on Your Allergies
Stop guessing and start understanding your body with the ultimate allergy MOT.
Book your ALEX3 allergy test today - no GP referral needed.
Frequently asked questions
What is the ALEX3 allergy test?
The ALEX3 is an advanced molecular allergy test that screens for over 300 allergens using a single blood sample. It provides highly detailed, personalised insights into your immune system and identifies the specific proteins triggering allergic reactions.
How is ALEX3 different from standard allergy tests?
Unlike traditional tests that assess whole allergens, ALEX3 uses molecular diagnostics to pinpoint the exact components causing reactions. This helps distinguish true allergies from cross-reactions and improves accuracy.
How many allergens does the ALEX3 test check?
The ALEX3 test screens for over 300 allergens, including pollen, dust mites, food allergens, moulds and yeasts—all in one test.
Do I need a GP referral for an ALEX3 test?
No, you can book an ALEX3 allergy test directly without a GP referral.
How long does it take to get ALEX3 results?
Results are typically available within 7 days, with a detailed and easy-to-understand report.
Is the ALEX3 allergy test accurate?
Yes, ALEX3 is one of the most comprehensive and precise allergy tests available, using molecular allergology to deliver highly accurate and personalised results.

We put the patient at the heart of everything we do.
Pall Mall Medical is owned and led by doctors –which means care without compromise. We’re driven by how best we can deliver what you need, from start to finish.
- Care Quality Commission Regulated.
- No waiting lists.
- Rated Excellent on Trustpilot
- No referrals required.
Enquire About an ALEX3 Allergy Test
A member of our team will be in touch with you to discuss your requirements.

