Q. Will having allergy to Fraxinud make one allergic to olive trees too?

Answered by
Dr. Shyam Kalyan N
and medically reviewed by Dr. Divya Banu M
Published on Jul 16, 2019

Hello doctor,

Would you please explain if this means I have allergy from olive trees (trees that produces olives), if I have allergies from (ash- fraxinud excel) or are they different?

Dr. Shyam Kalyan N

Allergy Specialist Otolaryngology (E.N.T)


Welcome to icliniq.com.

Fraxinus excel is the common ash plant. It belongs to the olive family. Plants in same family have shared antigens. If you are sensitive to one plant in the family, you are likely to be sensitive to others also. Hence, the result means that you are sensitive to olive as well in addition to fraxinus excel plant.

Being sensitive does not mean you are allergic. Sensitivity does not always result in allergy. Sensitivity means you have circulating antibodies against that particular allergen. However, it may or may not result in allergy to that particular antigen. Only when you are exposed to it in a particular format and quantity, you will develop allergy to it. Skin prick test only measures sensitivity to specific allergens.

We need to infer the results based on your symptoms. What do you suffer from? Was the test done to check for aeroallergens or food allergens? The two are different with different symptoms. Kindly elaborate your problems to us.

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