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- Fish are divided into bony and cartilaginous.
- Bony fish are more allergenic than cartilaginous fish.
- Shellfish consists of crustaceans and mollusks.
- Crab and shrimp can cause anaphylaxis in both children and adults.
- In allergies caused by seafood; Itching, edema of the lips and tongue (swelling) and respiratory system symptoms are common.
- The use of antacids reduces food digestion, ultimately increasing our exposure to allergenic proteins, thereby facilitating the formation of allergies.
- Allergic events may develop by inhalation and skin ingestion of evaporating proteins while cooking seafood.
- A few hours after the allergen food intake, it may cause diarrhea, abdominal pain and vomiting, and low blood pressure.
- Occupational exposure to seafood appears as a cause of contact dermatitis and causes skin symptoms.
- The allergen protein responsible for marine allergies is resistant to the heating process. Allergen protein is more common in fish with bones. The allergen protein responsible for haddock and marina fish, which has white meat, is higher than tuna and tuna.
- Shellfish contain allergen proteins that are resistant to cooking. However, its effects are lost in stomach acid.
- In 10% of individuals with seafood allergy, both fish and shellfish allergies can be seen together.
- There is a cross-reaction between crustaceans, insects and mites in those allergic to shellfish.
- A cross-allergic reaction between chicken, frog and crocodile can also be seen in those with fish allergy.
What should be considered in the follow-up of seafood allergy?
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- Contact, contamination and accidental exposure to the responsible allergen should be avoided.
- Contamination occurs with common equipment in restaurants and markets. Family and restaurant employees should be warned about allergies that may develop during the use of common equipment.
- It is safer for the patient to consume frozen and packaged seafood.
- It should be kept in mind that there may be contact with the allergen through fish gelatin, cosmetics and drugs.
- Antacid drugs may cause allergic reactions as proteins will not be digested due to allergies.
- Immunotherapy with seafood is also likely to cause allergic reactors.
