3 doctors weighed in:

My daughter seems to have a ketchup allergy? Ever heard of that?

3 doctors weighed in
Dr. Barbara Stark Baxter
Internal Medicine - Allergy & Immunology
2 doctors agree

In brief: Corn, tomato in it

I have seen people react to ketchup because they had a tomato reaction or because they had a corn allergy.
For the corn allergy, there are now ketchups available free of high fructose corn syrup, and I have seen eating those help. If tomato is the problem, a different flavoring will have to be selected. Other ingredients can also cause the problem.You can figure out which one by testing if lucky.

In brief: Corn, tomato in it

I have seen people react to ketchup because they had a tomato reaction or because they had a corn allergy.
For the corn allergy, there are now ketchups available free of high fructose corn syrup, and I have seen eating those help. If tomato is the problem, a different flavoring will have to be selected. Other ingredients can also cause the problem.You can figure out which one by testing if lucky.
Dr. Barbara Stark Baxter
Dr. Barbara Stark Baxter
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