ALLERGY, CUCUMBER (KHEERA)

The Allergy, Cucumber (Kheera) Test is a specialized blood test that measures specific Immunoglobulin E (IgE) antibodies against proteins present in cucumber (Cucumis sativus). This test helps identify allergic sensitization to cucumber and supports the diagnosis of food allergy, oral allergy syndrome (OAS), and IgE-mediated hypersensitivity reactions.

Cucumber, commonly known as Kheera, is widely consumed raw in salads, sandwiches, juices, and various dishes. Although cucumber is generally considered safe and nutritious, some individuals may develop allergic reactions after consuming or handling it. Cucumber allergy is relatively uncommon but can occur independently or as part of Pollen-Food Allergy Syndrome (PFAS).

In sensitized individuals, the immune system mistakenly recognizes cucumber proteins as harmful substances and produces specific IgE antibodies. Upon repeated exposure, histamine and inflammatory mediators are released, leading to allergic symptoms involving the skin, digestive system, respiratory tract, and oral cavity.

The Cucumber (Kheera) Allergy Test helps healthcare providers determine whether cucumber is responsible for allergic symptoms and assists in planning dietary modifications and allergy management strategies.

Benefits of the Test

• Detects cucumber-specific IgE antibodies
• Helps diagnose food and vegetable allergies
• Supports evaluation of oral allergy syndrome
• Assists in identifying dietary triggers
• Helps prevent allergic reactions
• Requires only a blood sample
• Supports personalized allergy management

Why Doctors Recommend This Test

Doctors may recommend this test for:

• Mouth or throat itching after eating cucumber
• Hives or skin rash following meals
• Swelling of lips, tongue, or face
• Abdominal pain, nausea, vomiting, or diarrhea
• Wheezing or breathing difficulty
• Suspected food allergy
• History of pollen allergies
• Recurrent unexplained allergic reactions

Preparation Before Test

Sample Required

• Peripheral venous blood sample

Preparation Guidelines

• No fasting is required
• Antihistamines generally do not interfere with blood IgE testing
• Inform your physician about previous allergic reactions and pollen allergy history
• Follow laboratory instructions before sample collection

Reporting Time

Results are generally available within 3–7 working days, depending on laboratory methodology.

Who Should Take This Test?

• Individuals experiencing symptoms after consuming cucumber
• Patients with suspected vegetable allergy
• Individuals with oral allergy syndrome
• Patients with pollen-food allergy syndrome
• Children and adults undergoing food allergy evaluation

Clinical Significance

Elevated cucumber-specific IgE levels may indicate:

• Cucumber Allergy
• Vegetable Allergy
• Oral Allergy Syndrome
• Pollen-Food Allergy Syndrome
• IgE-Mediated Food Allergy

Common symptoms may include:

• Mouth or throat itching
• Tingling sensation in the lips or tongue
• Hives and skin rash
• Swelling of lips, tongue, or face
• Abdominal pain
• Nausea and vomiting
• Diarrhea
• Wheezing
• Shortness of breath
• Severe allergic reactions including anaphylaxis (rare)

The presence of cucumber-specific IgE antibodies indicates sensitization and should always be interpreted together with clinical symptoms and dietary history.