An allergy may not only be triggered by eating fish but also by eating fish-containing ingredients.
In some cases, a skin reaction calledcontact dermatitismay develop by simply touching fish or fish residue.
Others may feel lightheaded and develop life-threatening low blood pressure with minimal other symptoms.
Verywell / Victoria Heydt
Parvalbumins are extremely heat-tolerant and do not break down easily even after hours of cooking.
A shellfish allergy involves entirely different allergens, usually tropomyosin, which is found in crustaceans and mollusks.
Similarly, fish meal is commonly used in certain organic fertilizers.
An oral food challenge should never be performed as an in-home experiment if a life-threatening food allergy is suspected.
Other reactions may be due to naturally occurring fish toxins that can cause poisoning in humans.
It causes gastrointestinal, neurological, and cardiovascular symptoms.
This includes any sauces, condiments, or prepared foods that contain fish or fish byproducts.
Unlike other forms of allergy, food allergies cannot be treated with allergy shots (immunotherapy).
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