Cross Reactivity between Antigens

Pollens

Birch - Alder, Hazelnut
Box Elder - Maple
Cottonwood - Poplar, Willow, Aspen
Cypress - Juniper, Mountain Cedar
Oak - Beech, Chestnut
Olive - Ash, Privet
Walnut - Hickory, Pecan

Timothy - Perennial Rye, Kentucky Blue, Meadow Fescue, Orchard, Redtop, Sweet Vernal

Sagebrush - Mugwort
Dock - Sorrell

Pollens and Foods

Birch, Alder, and Hazelnut pollens - Apple, Celery, Cherry, Peach, Pear, and Hazelnut foods
Grass pollens - Celery, Cereal grains (wheat, rye, barley) and Potato foods
Mugwart pollen - Apple, Carrot, Celery, Kiwi, Orange and Peanut foods
Ragweed pollen - Banana, Cantaloupe, Watermelon foods, and chamomile tea

Food families

Wheat - Rye, barley
Soybean - peanut, peas, beans, chickpeas
Night shades - Tomato, potato, bell peppers, and eggplant

Other

Latex - Avocados, bananas, chestnuts, kiwi, and passion fruit

Pollens and Foods that enhance both symptom production and skin reactivity

Elm - Milk
Oak - Eggs, chestnuts
Timothy - Apples, carrots, celery, and corn

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