What is Anisakiasis?

A fish-borne zoonosis caused by the ingestion of third stage larvae of nematodes belonging to the genus Anisakis, present in fish or cephalopods. Following its penetration in the human gastrointestinal tract, the parasite can cause gastrointestinal classified as acute (manifesting as abdominal pain, diarrhea, nausea and vomiting), chronic, or ectopic reactions or allergic manifestations (urticaria, angioedema, anaphylactic shock).


  • Worldwide: Unknown

Age of Onset

  • Adolescent
  • Adult
  • Childhood
  • Elderly
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "". Data version 1.3.16 / 4.1.7.