Birch Pollen-Related Oral Allergy Syndrome
Nectarines contain **PR-10 proteins** (e.g., **Pru p 1**) cross-reactive with birch pollen. Triggers **oral allergy syndrome** (OAS): itching/swelling of mouth/throat in pollen-allergic individuals; rarely systemic.
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Birch Pollen-Related Oral Allergy Syndrome
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Birch Pollen-Related Oral Allergy Syndrome
Nectarines contain **PR-10 proteins** (e.g., **Pru p 1**) cross-reactive with birch pollen. Triggers **oral allergy syndrome** (OAS): itching/swelling of mouth/throat in pollen-allergic individuals; rarely systemic.
Symptoms
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Itching or Tingling in the Mouth
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Swelling of lips, tongue, or throat
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Mild throat irritation
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Oral blisters or sores
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Nasal congestion or sneezing
Healing & Prevention
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Avoidance of trigger foods
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Antihistamines
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Oral Immunotherapy (OIT)
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Peeling or cooking foods
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Consulting an allergist
