Crustaceans

Crustaceans includes crab, lobster, prawn, shrimp, langoustine, crayfish, etc. Marine crustaceans and molluscs are often collectively referred to as ‘shellfish’. An allergy to crustaceans can be severe with a risk of anaphylaxis.

The allergenic proteins can be found in different species of crustacean so people who have a crustacean allergy generally need to avoid all types of crustacean. They may also need to avoid eating insects as well.

Crustaceans and crustacean products can be found in the following:

• They may be served on their own
• Fish cakes, pies and seafood chowder
• Soups, stocks and processed foods