Disease or Syndrome
shellfish allergy
shell·fish al·ler·gy
Subclass of:
Food Allergy
Definitions related to shellfish allergy:
  • An allergic reaction triggered by exposure to allergens found in foods containing molluscs, crustaceans or echinoderms.
    NCI
    U.S. National Cancer Institute, 2021
  • (shellfish hypersensitivity) Allergic reaction to SHELLFISH or shellfish products.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Shellfish allergy is an abnormal response by the body's immune system to proteins in certain marine animals. Marine animals in the shellfish category include crustaceans and mollusks, such as shrimp, crab, lobster, squid, oysters, scallops and others.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research, 2025
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