Garlic Allergy Test
This page explains the garlic allergy test, what it measures, and how to arrange it. A garlic allergy test checks your blood for antibodies that may indicate an allergic response to garlic. It is usually ordered when someone has symptoms such as hives, itching, swelling, or digestive upset after eating garlic or foods containing it.
- Sample type
- blood
- Category
- Allergy
- Turnaround
- 1-3 business days
- Price
- $49
- Referral
- Not required
A garlic allergy test checks your blood for antibodies that may indicate an allergic response to garlic. It is usually ordered when someone has symptoms such as hives, itching, swelling, or digestive upset after eating garlic or foods containing it.
What it measures
- Garlic-specific IgE — An antibody linked to allergic reactions; higher levels may suggest sensitivity to garlic.
- Total IgE — A general measure of allergic antibody in the blood, sometimes used for context.
- Related allium-specific IgE — Checks for reactions to similar foods such as onion, leek, or chives.
- Component markers — Specific proteins in garlic that may help show which part triggers symptoms.
Who it is for
This test is typically ordered by a primary care clinician or an allergist when a garlic allergy is suspected based on symptoms or a food diary.
Preparation
No fasting or special preparation is usually required. Tell your clinician about any medications you take, since some can affect allergy test results.
Results and what they mean
Results are reported as levels of specific antibodies, often grouped as negative, low, moderate, or high. A clinician interprets these numbers alongside your symptoms and history, because a positive result alone does not always mean you have an allergy. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the garlic allergy test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to avoid garlic before the test?
No. This blood test does not require you to avoid garlic beforehand, but follow any instructions from your clinician.
Can this test diagnose a garlic allergy on its own?
No. It supports a diagnosis, but a clinician must combine results with your symptoms and medical history.
How long do results take?
Results are usually available within 1 to 3 business days.
What if my result is positive but I have no symptoms?
A positive result without symptoms may not mean a true allergy. Your clinician can help explain what it means for you.