Test library
Tomato Food Allergy Test
A tomato allergy blood test measures IgE antibodies against tomato proteins and helps evaluate reactions that appear after eating tomatoes or tomato-based foods. It supports a wider food allergy workup.
Order Tomato Allergy Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Tomato Allergy Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The tomato allergy test measures immunoglobulin E antibodies against proteins found in tomatoes. It uses a blood sample and is ordered when someone reports symptoms such as itching, hives, stomach upset, or oral tingling after eating tomato or tomato products. The result indicates sensitization and is interpreted with the person's reaction history by a healthcare provider.
What this test measures
Tomato belongs to the nightshade family, and its proteins can act as allergens in sensitive people. Reactions may include oral itching or tingling, hives, eczema flare-ups, abdominal discomfort, or in rare cases more serious symptoms. Cooking can change some tomato proteins, so reactions vary depending on whether the food is raw or cooked.
The test detects tomato-specific IgE in serum using a laboratory immunoassay. It provides a quantitative level and often a reactivity class. Because reactions to raw and cooked tomato can differ, and because pollen allergy can cause related oral symptoms, clinicians interpret the result together with a detailed food and symptom history.
A positive test shows the immune system recognizes tomato proteins, but it does not predict how severe a reaction will be. Some people test positive without symptoms, and others react mainly during certain seasons. A qualified healthcare provider, sometimes with an allergist, can assess the findings and discuss appropriate next steps.
- Tomato-specific IgE antibodies
- Total serum IgE
- Quantitative allergen-specific IgE level
- IgE reactivity class for tomato
- Solanum lycopersicum allergen components
- Cross-reactive pollen food allergens
Why people order this test
- Evaluate symptoms that appear after eating tomato or tomato products
- Support a broader food allergy workup
- Help distinguish tomato allergy from oral allergy syndrome
- Investigate hives, itching, or digestive upset linked to meals
- Provide objective information before discussing dietary changes
- Follow up on a reaction of uncertain cause
How to prepare
No fasting is required for this blood test. A sample is collected from a vein, usually at the arm. If you take allergy medications, mention them to the ordering provider, since some can influence allergy testing.
Understanding your results
Results are typically available within one to three business days. The report shows the tomato-specific IgE level and a reactivity class. An elevated result suggests sensitization, but a healthcare provider must interpret it with your symptoms and eating history.
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Frequently Asked Questions
What is a tomato allergy test?
It is a blood test that measures IgE antibodies against tomato proteins and helps determine whether the immune system is sensitized to tomato.
What are common symptoms of tomato allergy?
Symptoms can include itching or tingling in the mouth, hives, skin irritation, stomach upset, and in some cases breathing difficulty. Severity varies by person.
Can I react to cooked tomato but not raw?
Yes. Some tomato proteins change with heating, so reactions can differ between raw and cooked forms. A detailed food history helps clarify the pattern.
Do I need to fast?
Fasting is not required. Follow any instructions from the laboratory, especially if other tests are bundled with this one.
Does a positive test mean I must avoid all tomato?
Not on its own. A positive test shows sensitization, and a healthcare provider interprets it with your reaction history before suggesting any dietary changes.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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