1284. Allergen. Extract. Crab (f23), IgE antibodies
Description
Crabs’ allergens have a high degree of allergenic activity and are very stable and do not break down during boiling. The main crustacean allergen is tropomyosin. Individuals sensitized to crab tropmyosin have allergic reactions to mollusks, insects and arachnids. The reaction to crab meat is quite common – in isolation or in combination with allergies to other crustaceans and fish. It is important to distinguish signs of hypersensitivity to crab from those of food poisoning with stale seafood. Hypersensitivity reactions when eating crab meat range from local reactions in the form of local itching and swelling of the lips and systemic manifestations in the form of urticaria, swelling of the larynx, bronchospasm, anaphylactic shock.
When and who needs the test?
Recommended for conducting a diagnostic search for the cause of allergies with year-round symptoms; in deciding on the tactics of treatment and the feasibility of conducting allergen specific therapy (ASIT).
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...