Allergy Resources

Ragweed Allergy

Key Allergens

Amb a 1 is thought to be the most important ragweed allergen (in older texts it may be referred to as “antigen E”, with 95% of ragweed allergic patients being sensitised to this protein.

Other allergens found in ragweed are incredibly similar in structure which makes sufferers of ragweed pollen allergy excellent candidates for immunotherapy, which helps to reduce the allergic symptoms of ragweed induced rhinitis.


You may have Pollen-Food Allergy Syndrome if you suffer from ragweed pollen allergy with oral allergy symptoms to 3 or more of the foods mentioned in cross reactivity section.

Cross Reactivity

If sensitised to Ragweed pollen you may also have problems with Banana, Melon, Courgette, Cucumber, and Squash

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