Can people who are allergic to eating shrimps and crabs eat oil? Eating shrimps and crabs is allergic because they contain high levels of protein. For human beings, protein contained in shrimps and crabs belongs to allotype proteins, and allotype proteins like this are antigens for human beings.

Some people with sensitive constitution are particularly sensitive to foreign proteins, and the immune system often overreacts, which is commonly known as allergy. Oyster sauce is made of oyster as raw material, which is boiled, concentrated and supplemented with auxiliary materials. Oysters belong to seafood, so people who avoid eating seafood and are allergic to seafood may be allergic to oyster sauce. If you eat oyster sauce for the first time, you are not sure whether you will be allergic. It is recommended to eat a small amount of oyster sauce first and observe it for 4-8 hours. If there is no allergic situation, you can eat oyster sauce in the future.