Medically Reviewed By
Dr. Srinivas
Consultant Pathologist
Pathology · Last reviewed: June 2026

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ALLERGY, WALNUT (AKHROT)
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About this test
The Walnut Allergy Test (Akhrot) is a specialized blood test that measures specific Immunoglobulin E (IgE) antibodies to determine whether you are allergic to walnuts. Walnut allergy is one of the most common tree nut allergies and can affect both children and adults. Even a small amount of walnut or foods containing walnut may trigger an allergic reaction in sensitive individuals.
This test helps healthcare providers accurately diagnose walnut allergy, distinguish it from food intolerance, and identify the cause of food-related allergic reactions. Since walnut allergy can sometimes lead to severe allergic reactions, including anaphylaxis, early diagnosis is essential for effective allergy management and prevention.
Benefits of the Test
- Detects allergic sensitivity to walnuts.
- Helps identify walnut as the cause of food-related allergic reactions.
- Supports personalized dietary recommendations.
- Assists in preventing recurrent allergic reactions.
- Helps distinguish walnut allergy from food intolerance.
- Supports long-term allergy management and risk reduction.
Why Doctors Recommend This Test
Doctors may recommend the Walnut Allergy Test for individuals who develop symptoms after eating walnuts or foods containing walnuts. Common symptoms include:
- Itching or tingling in the mouth
- Skin rash, hives, or itching
- Swelling of the lips, tongue, throat, or face
- Abdominal pain, nausea, vomiting, or diarrhea
- Sneezing or nasal congestion
- Wheezing, coughing, or shortness of breath
- Severe allergic reactions (anaphylaxis)
This test helps allergists and physicians confirm walnut allergy and recommend appropriate dietary restrictions and emergency management when necessary.
Preparation Before Test
- No fasting is required.
- Continue regular medications unless advised otherwise by your physician.
- Inform your healthcare provider about your allergy history, medications, and previous allergic reactions.
- A blood sample is collected for laboratory analysis.
Normal Reporting Time
Reporting Time: Usually 2–5 working days, depending on laboratory processing protocols.
Who Should Take This Test?
This test is recommended for:
- Individuals experiencing symptoms after eating walnuts.
- Children and adults with suspected tree nut allergies.
- Patients with recurrent food-related allergic reactions.
- Individuals with multiple food allergies.
- People requiring confirmation of walnut allergy before dietary modifications.
Patient-Friendly Summary
The Walnut Allergy Test (Akhrot) is a blood test that measures IgE antibodies against proteins found in walnuts. Walnut allergy is one of the most common tree nut allergies and can cause symptoms such as itching, hives, swelling, stomach pain, vomiting, wheezing, or difficulty breathing shortly after eating walnuts. In some individuals, reactions can be severe and may require immediate emergency treatment. This test helps doctors accurately diagnose walnut allergy and recommend appropriate dietary precautions, emergency action plans, and long-term allergy management. The test is safe, requires only a blood sample, and does not require fasting.
Test FAQs
What is the Walnut Allergy Test?
Why is this test performed?
Is fasting required before the test?
What sample is used for this test?
What symptoms may indicate a walnut allergy?
Can walnut allergy cause anaphylaxis?
Can children undergo the Walnut Allergy Test?
How long does it take to receive results?
Is the Walnut Allergy Test safe?
What should I do if my result is positive?
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