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If I'm allergic to pollen, what foods might trigger a reaction?

Clifford W. Bassett, MD
Allergy & Immunology
About one third to one half of patients with seasonal allergies show sensitivity to the following foods that can cross-react with some pollens.

Cross reactors of alder tree pollen:
  • almonds
  • apples
  • celery
  • cherries
  • hazel nuts
  • peaches
  • pears
  • parsley
Cross reactors of birch tree pollen:
  • almonds
  • apples
  • apricots
  • carrots
  • celery
  • cherries
  • coriander
  • fennel
  • kiwifruit
  • nectarines
  • parsley
  • parsnips
  • peaches
  • pears
  • peppers
  • plums
  • potatoes
  • prunes
  • soy
  • wheat
  • Potential: hazel nuts and walnuts
Cross reactors of grass pollens:
  • melons
  • tomatoes
  • oranges
Cross reactors of mugwort and weed pollens:
  • carrots
  • celery
  • coriander
  • fennel
  • parsley
  • peppers
  • sunflower
However, it should be noted that reaction to one or more foods in any given category does not necessarily mean a person is allergic to all foods in that group. Often well-cooked, canned, or frozen food offenders cause no reaction.

Continue Learning about Allergies

Allergies

Allergies

About one out of five Americans suffers from allergies. An allergy is an exaggerated response from the immune system to a substance such as dust, pollen, pet dander or mold. Other common triggers include foods such as peanuts and ...

milk; insect bites; and certain ingredients in cosmetics and jewelry. Allergies can cause anything from rashes and hives to itchy eyes, sneezing, coughing, diarrhea, vomiting, and wheezing.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.