Lab test

Watermelon Allergy Test - Melon Allergy

A watermelon-specific IgE blood test detects antibodies the immune system may produce against proteins in watermelon.

Typical price

From $49

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

A watermelon-specific IgE blood test detects antibodies the immune system may produce against proteins in watermelon. It is a screening tool for suspected fruit allergy, not a diagnosis by itself. A clinician may order it after a reaction to watermelon, as part of a broader fruit panel, or when oral itching or skin symptoms suggest sensitivity to watermelon or related melons.

• Watermelon-specific IgE Antibodies produced in response to watermelon proteins, used to assess sensitization.

• Itching, tingling, or swelling of the mouth after eating watermelon
• Hives or skin reactions following watermelon intake
• Symptoms triggered by raw watermelon but not cooked forms
• Testing as part of a fruit or melon allergy panel
• A history of pollen allergy with reactions to certain raw fruits

• No fasting is required for most IgE allergy tests
• Tell the collector about antihistamines or other medications you take
• Stay hydrated before the blood draw
• No special diet is needed beforehand

An elevated watermelon-specific IgE level may indicate sensitization to watermelon proteins and can be associated with allergic symptoms, but a positive result alone does not confirm a clinical allergy. A low or undetectable level makes allergy less likely without ruling it out. Some melon reactions reflect pollen cross-reactivity, so a healthcare provider should interpret results in context.

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