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Anaphylaxis

Anaphylaxis is a potentially fatal medical emergency resulting from an acute allergic reaction (type I allergic reaction). It is characterized by prominent symptoms of various systems – respiratory (breathlessness and wheeze), cardiovascular (low blood pressure) and skin (like itching, flushing). Anaphylaxis can result from an allergy to certain food items (like egg, milk, sea food), drugs (like penicillin, lidocaine), and insect bites. It usually manifests within a few minutes to a couple of hours after exposure to the allergen.