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Fish allergy or food poisoning?

Reactions to seafood are challenging to sort out because food poisoning can mimic an allergic reaction. So, how do you know if you have a fish allergy or food poisoning? Some types of seafood contain large amounts of histidine.  This chemical is converted to histamine by bacteria (histamine is also released during an allergic reaction).  […]

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Reactions to seafood are challenging to sort out because food poisoning can mimic an allergic reaction. So, how do you know if you have a fish allergy or food poisoning?

Some types of seafood contain large amounts of histidine.  This chemical is converted to histamine by bacteria (histamine is also released during an allergic reaction).  Histidine poisoning and allergic reactions can cause similar symptoms (i.e. flushing, swelling, hives, wheezing, diarrhea, etc.).

Examples of seafood that contain high levels of histidine are:  Mahi mahi, mackerel, tuna, and anchovy.  Spoiled fish is more likely to be a problem due to accelerated conversion of histidine to histamine by bacteria.

Mild reactions resolve without intervention, but some people require antihistamines.  Rarely, more powerful therapies are required at the hospital.

If you’ve experienced a reaction to seafood or suspect you have a fish allergy, it’s important to determine if a food allergy is present or if you simply experienced food poisoning, and a board certified allergist/immunologist is the most qualified physician to help you.

 Midwest Allergy can help with fish allergy

The medical experts at Midwest Allergy can get to the bottom of your issue and determine if you have a fish allergy. Make an appointment online today.

 

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