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Home » Food Intolerance and Allergy Tests in Bangkok and Across Thailand

Allergy & Food Sensitivity Testing in Thailand

Identify hidden sensitivities with 24 clinically validated panels covering IgG, IgE, IgA, and IgG4. Uncover the root causes of chronic symptoms today.

28

Testing Panels

240+

Foods Screened

IgG/IgE

Antibody Types

Home

Collection Kits



Understanding Allergy and Food Sensitivity Testing at MedEx

Food allergies and sensitivities affect millions worldwide, yet many remain undiagnosed due to delayed reactions. MedEx offers a comprehensive suite of panels measuring IgG, IgE, IgA, and IgG4 to identify the specific triggers behind your symptoms.

Why Choose MedEx in Thailand?

Available across Thailand—from Bangkok to Phuket—our world-class functional pathology testing is accessible via simple home collection kits.

Your practitioner orders the test, a kit is shipped directly to you, and you return the sample via courier. No clinic visit is required for most panels.

MedEx Allergy

Types of Allergy Tests Available

We provide focused screenings to comprehensive full-spectrum panels. Choose the category that fits your needs:

ALCAT (Antigen Leukocyte Cellular Antibody Test)
ALCAT Food Additives + Environmental Chemicals
Asian Panel - 96 Foods
Complete Food Panel - 240 Foods
General Western Foods - 96 Foods
IgE Panels
Super Food Panel - 144 Foods
Vegetarian Panel - 96 Foods
Other Combination Panels

Includes IgG for delayed sensitivities, IgE for immediate reactions, and IgA for mucosal immune health assessment.

Allergy Types

Supporting Better Health Outcomes

Manage chronic symptoms like bloating, eczema, and migraines through evidence-based dietary recommendations tailored to your profile.

Available Allergy Test Panels

From focused 96-food screenings to comprehensive 240-food panels. Every test can be completed at home with a simple finger-prick blood spot kit.

🧬

General Allergy and Food Intolerance Tests

A broad-spectrum starting point for identifying both allergic and intolerance reactions across common food groups and environmental triggers.

General
🥗

General Western Foods — 96 Items

Core IgG panel covering common Western dietary staples including dairy, gluten, eggs, nuts, meats, fruits, and vegetables.

IgG Panel
🍜

Asian Food Panel — 96 Items

Tailored for Asian diets — covers rice varieties, soy products, seafood, tropical fruits, spices, and regional ingredients.

IgG Panel
🌱

Vegetarian Panel — 96 Items

Designed for plant-based diets: legumes, grains, seeds, nuts, soy proteins, vegetables, and common meat-free substitutes.

IgG Panel
🍽️

Super Food Panel — 144 Items

Extended screening combining Western and Asian foods with additional grains, herbs, and commonly consumed Thai ingredients.

IgG Extended
🧪

Complete Food Panel — 240+ Items

Our most comprehensive panel. Tests IgG reactivity to 240+ food antigens — the definitive screening for complex symptom profiles.

Full Spectrum
⚠️

IgE Immediate Allergy Panels

Detects true allergies — foods, inhalants, moulds, dust mites, and environmental triggers causing rapid immune responses.

IgE Allergy
🔬

ALCAT — Cellular Response Test

Measures white blood cell changes when exposed to foods/chemicals. Identifies inflammatory reactions not captured by antibody tests.

ALCAT
🏭

ALCAT — Additives & Chemicals

Screens reactions to food colourants, preservatives, flavour enhancers, pesticides, and environmental chemicals.

ALCAT
📋

Combination Panels

Bundled IgG + IgE + IgA testing for a multi-dimensional immune assessment. Ideal for complex cases with mixed symptoms.

Multi-Antibody

Is it an allergy
or a hidden intolerance?

Some food reactions hit you instantly. Others creep up quietly over hours or days — leaving you exhausted, bloated, or foggy with no obvious cause. Knowing which type you have is the first step to feeling better.


When does the reaction happen after eating?
Eating Acute starts here
30 min
2 hrs Latent starts
12 hrs
72 hrs (3 days)
Acute Reaction

Immediate
Food Allergy

Your immune system fires an emergency alarm — within minutes of eating.

Reaction within 2 hours
Hives or skin rash
Lip or throat swelling
Difficulty breathing
Vomiting or nausea
Anaphylaxis (severe)
Itchy eyes or nose
Caused by IgE antibodies (immune alarm)
Easy to spot? Yes — very obvious
Dangerous? Can be serious
Common triggers Peanut, shellfish, tree nuts, milk, eggs
Best test Microarray or IgE ELISA
Latent Reaction

Delayed Food
Intolerance

Your immune system builds a slow, silent response — symptoms creep in hours or days later.

🕐 Reaction after 2–72 hours
Bloating & gas
Chronic fatigue
Brain fog
Headaches
Skin breakouts / eczema
Joint aches
Caused by IgG antibodies (slow immune build-up)
Easy to spot? Hard — hard to link to food
Dangerous? Rarely, but impacts daily life
Common triggers Gluten, dairy, eggs, soy, yeast
Best test IgG4 ELISA or EIA panel

Acute vs latent — side by side

Feature Acute ReactionImmediate allergy Latent ReactionDelayed intolerance
When do you feel it?After eating Within minutes to 2 hours 2 hours to 3 days later
How obvious is it?Linking food to symptom Very obvious Often invisible — hard to trace
What does it feel like? Sudden, dramatic — hives, swelling, breathing problems Gradual, vague — fatigue, bloating, brain fog, skin issues
Is it dangerous? Can be life-threatening Rarely dangerous, but chronic
What triggers it?Immune mechanism IgE antibodies — your body's emergency alarm IgG antibodies — a slow, background immune response
How many foods at once? Usually 1–2 clear culprits Often multiple foods — hard to pinpoint alone
Which test do you need? IgE blood test (Microarray, ELISA, Lateral Flow) IgG4 blood test (ELISA, EIA panel)
Can diet help? Strict avoidance of trigger food(s) Rotation or elimination diet, guided by results
Not sure which type you have?
Our practitioners can recommend the right test for your symptoms. Home collection across Thailand. Results in 3 - 5 days.

Compare all five testing methods

What we compare MicroarrayMost comprehensive ImmunoblotProtein-level detail ELISAGold standard Lateral FlowQuick at-home strip EIAFlexible lab test
What does it find?Allergy, intolerance, or both Allergy only Both Both Allergy mainly Both
How many foods tested?Per single test 300+ foods Most 1–3 foods One at a time 1–3 foods Varies
Do you get an exact result?Number vs yes/no Exact level ~ Approximate Exact level Best Yes / No only Exact level
How fast?From sample to report 3-5 days 1–2 days 3-5 days 10–30 minutes Fastest 2 weeks
Can it tell WHY you react?Identifies the exact protein trigger Yes Best Yes No No No
Good for food intolerance?IgG / delayed reactions No ~ Limited IgG4 panels No IgG panels
AccuracyClinical reliability Very high High Very high Moderate High
Relative costInvestment level Premium Mid-range Mid-range Budget Mid-range
Best for people who… Want a complete allergy picture in one go Need to confirm a specific suspected food Want an exact antibody number for one food Want a quick first check at home Need a flexible format from their doctor
Popular panels

Not sure where to start? These are.

A selection of our most requested tests — chosen by people with symptoms just like yours. Browse all panels or speak to our team to find the right fit.

Gold standard test

Specific IgE Allergy Screening

107
items · food, inhalation & contact
Test Method
Immunoblot (Strip-Based)

For suspected true allergy: hives, swelling, wheezing, sneezing, itchy eyes, eczema flares, or reactions soon after exposure.

5,999 THB
Results in ~3 days
Expanded coverage

Food Intolerance Test — Plus

222
food items via blood sample
Test Method
Microarray Technology

The widest panel in this group, with follow-up planning support included. Best for complex or persistent cases.

18,999 THB
Results in ~3 days
Everyday food reactions

IgG96 General Foods

96
common foods via blood sample
Test Method
ELISA (Quantitative)

Covers 96 of the most widely consumed foods. A practical starting point for identifying dietary triggers behind digestive or skin symptoms.

23,400 THB
Results in ~20 days
Plant-based diet focus

IgG96 Vegetarian Foods

96
plant-based items via blood sample
Test Method
ELISA (Quantitative)

Tailored for plant-based diets. Covers grains, legumes, nuts, seeds, fruits, and vegetables most relevant to vegetarians.

23,400 THB
Results in ~20 days
Environmental triggers

IgE 50 Inhalant Allergens

50
airborne allergens via blood sample
Test Method
ELISA (Quantitative)

Screens for reactions to dust mites, pollens, mould spores, pet dander, and other airborne triggers that affect breathing and skin.

23,000 THB
Results in ~20 days

Get Directions To Our Locations

Clinics
Lab

From BTS Nana

Walking · ~5 mins

1
Exit BTS Nana Station via Exit 1.
2
Walk along Sukhumvit Road heading east (towards Asok) for approximately 300 m.
3
Turn right into Soi Sukhumvit 13. Walk straight for about 150 m.
4
The Trendy Office Building will be on your left. Take the stairs or elevator to Floor 1A (one level above ground floor).

🏥 MedEx Neo Clinic — Floor 1A, The Trendy Office Building, Soi Sukhumvit 13, Watthana.

From BTS Asok

Walking · ~7 mins

1
Exit BTS Asok Station via Exit 1 onto Sukhumvit Road.
2
Walk west along Sukhumvit Road (towards Nana) for approximately 350 m.
3
Turn left into Soi Sukhumvit 13 and continue straight for about 150 m.
4
The Trendy Office Building will be on your left. Go to Floor 1A (one level above ground floor).

🏥 MedEx Neo Clinic — Floor 1A, The Trendy Office Building, Soi Sukhumvit 13, Watthana.

From MRT Sukhumvit

Walking · ~8 mins

1
Exit MRT Sukhumvit Station via Exit 3.
2
Head north towards Sukhumvit Road and turn left (westbound) for approximately 400 m.
3
Turn left into Soi Sukhumvit 13 and walk straight for about 150 m.
4
The Trendy Office Building will be on your left. Take the stairs or elevator to Floor 1A.

🏥 MedEx Neo Clinic — Floor 1A, The Trendy Office Building, Soi Sukhumvit 13, Watthana.

From BTS Phra Khanong

Walking · ~3 mins

1
Exit BTS Phra Khanong Station via Exit 3.
2
Walk straight (northbound) along the main road for approximately 100 m.
3
Look for Taisin Square on your right. Enter the complex and head to Building 4, Middle Unit.
4
MedEx Neo Clinic is on the Ground Floor at 1521/4 Taisin Square.

🏥 MedEx Neo Clinic (Phra Khanong Branch) — Ground Floor, Building 4, 1521/4 Taisin Square, Phra Khanong Nuea, Watthana.

From BTS Saphan Taksin

Taxi / Grab · ~10 mins

1
Exit BTS Saphan Taksin Station and take a taxi or Grab towards Bang Kho Laem.
2
Head south along Charoen Krung Road, then turn into Soi Charoen Rat 10.
3
Look for the General Science Enterprise Building at No. 3 Soi Charoen Rat 10 on the left.
4
Take the elevator or stairs to the 3rd Floor. MedEx Diagnostics is straight ahead.

🔬 MedEx Diagnostics Lab — 3rd Floor, General Science Enterprise, 3 Soi Charoen Rat 10, Bang Khlo, Bang Kho Laem, Bangkok 10120.

From Bus Terminal 3

Taxi / Songthaew · ~5 mins

1
Exit Chiang Mai Bus Terminal 3 (Arcade) at the main gate on Kaeo Nawarat Road.
2
Take a taxi, Grab, or red Songthaew heading south towards the Business Park area — approximately 1.5 km.
3
Ask to be dropped at Business Park, 114/18 Mueang Chiang Mai. The building is visible from the main road.
4
Enter the Business Park complex. MedEx Neo Clinic (Chiang Mai) is located inside.

🏥 MedEx Neo Clinic (Chiang Mai) — Business Park, 114/18 Mueang Chiang Mai District, Chiang Mai 50000.

Frequently Asked Questions

What types of allergy tests are available through MedEx in Thailand?

MedEx offers IgG, IgE, IgA, and IgG4 allergy panels in Thailand. These include general food panels (96, 144, and 240 foods), Asian food panels, vegetarian panels, mould panels, inhalant panels, and combination panels. Tests are available via home collection kits with blood spot finger prick samples.

How does a food sensitivity test work?

A food sensitivity test measures your immune response (IgG or IgA antibodies) to specific food proteins. A blood sample is collected via a simple finger prick at home, then sent to the laboratory for analysis. Results identify foods that may be causing delayed reactions such as bloating, fatigue, headaches, or skin issues.

What is the difference between IgG, IgE, and IgA allergy testing?

IgE testing detects immediate allergic reactions (e.g., to peanuts or shellfish) that occur within minutes. IgG testing identifies delayed food sensitivities that can take hours to days to manifest. IgA testing evaluates mucosal immune responses, indicating potential gut membrane damage from specific foods.

Can I order allergy tests from Thailand?

Yes, MedEx services are available across Thailand. Your healthcare practitioner places the order, a home test kit is sent to your address, and you return the sample via courier. Results are provided through your referring practitioner.

Do I need a healthcare practitioner to order an allergy test?

Yes, MedEx operates under a practitioner-referral system. A qualified healthcare practitioner orders the test and provides guidance on interpreting results. MedEx can help you find a suitable practitioner if you don’t have one.

What age is recommended for allergy testing?

MedEx recommends that IgG and IgE allergy testing is performed for individuals greater than 18 months of age. This ensures that the immune system has had sufficient development and food exposure to produce measurable antibody levels.

How quickly do we receive the results?

Most lab results are available within 24–48 hours. Results are securely delivered via encrypted PDF reports directly to your email.

What lab standards does MedEx use?

We operate an in-house laboratory equipped with medical-grade instruments and rigorous quality control protocols for maximum accuracy.

Ready to Discover Your Food Triggers?

Book your allergy test today. Home collection kits available across Thailand with results in 24–48 hours. English reports and practitioner-guided interpretation included.

google

My experience here at the medex clinic was excellent. The staffs are really professional and kind. Doctors here are really knowledgeable and skilled they took time to listen to all of my concerns. I felt really comfortable throughout the entire process. I highly highly recommend this clinic.

Jasmine Gurung September 19, 2025
google

I’ve been here more than 3 times already. I did DNA testing, blood tests, and other checkups here. The staff is always kind, professional, and very helpful. They speak good English, which makes everything much easier for foreigners. Highly recommended.

Artem May 19, 2026
google

Staff were super sweet and nice. Very helpful and supportive. All questions answered. The clinic was very clean and tidy. I felt like I was in safe hands.

Chinaza Okafor June 22, 2026
google

Best place for the medical checkups and diagnostic with very friendly staffs who will guide you with professional care. My experience with MedEx was great and I totally recommend paying them a visit.

Anmol Magar June 15, 2026
google

The clinic is excellent. Very clean, fast service, everyone answered questions well. The place is clean and the service is great. My boyfriend really liked it. We will definitely go again next time. ⭐⭐⭐⭐⭐⭐⭐

google

Excellent service and care

google

I found them after searching several providers. I communicated with each and MedEx was without equal. Fast response. Excellent prices. Accommodating and flexible. Save yourself time and money. These folks are great.

Peter Kalis July 30, 2026
google

“I came for a health checkup in Bangkok at this clinic and was very impressed. The whole process was quite quick and systematic, from registration to blood sample collection, it didn’t take long. The staff could communicate well in English, making it easy for foreigners or expats to understand the whole procedure. Plus, the clinic is near Phra Khanong BTS station, making it very convenient to get to.”

google

Very good service and quick progress I had my lab test same day

nicola reffo May 5, 2026

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