What is a shellfish allergy?

What is a shellfish allergy?

A shellfish allergy is a type of food allergy. If you have a shellfish allergy, you experience unpleasant symptoms after eating shellfish.

Shellfish are animals that live in the water and have a shell-like exterior. There are two types of shellfish:

• Crustaceans: shrimp, crayfish, crab, lobster.
• Mollusks: clams, scallops, oysters, mussels.