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Oral Allergy Syndrome
Aka: Oral Allergy Syndrome, Pollen-Food Allergy Syndrome
- Epidemiology
- Most common Food Allergy
- Risk Factors
- Allergic Rhinitis or Asthma patients with grass, weed or tree pollen triggers (10%)
- Birch pollen allergy (highly associated)
- Causes
- Birch pollen allergy
- Carrot
- Celery
- Hazelnuts
- Parsnips
- Potatoes
- Fresh fruit (apples, cherries, peaches, pears...)
- Grass pollen
- Kiwi
- Tomato
- Ragweed pollen
- Bananas
- Melons
- Symptoms
- Limited to oral exposure to trigger foods (see above)
- Immediate onset when trigger food contacts mouth
- Resolves when food is removed from mouth or swallowed
- Local oral reaction
- Lip, Tongue, and Palate swelling and Pruritus
- Prevention
- Avoid trigger foods based on the associated Airborne Allergen
- Cook the offending food first to denature the causative proteins
- References
- Ma (2003) J Allergy Clin Immunol 112(4): 781-8 [PubMed]
- Ghunaim (2005) Allergy 60(2): 185-91 [PubMed]