Furthermore, the magnitude of the initial allergic response, the patient's sensitivity, the patient's comorbidity, the site of antibody–antigen reaction, the allergen concentration and the route ...

These may include: A true allergic reaction to a novocaine injection ... More complicated procedures may need to be performed ...

a reaction with similar clinical picture as allergic, hypersensitivity, or anaphylactic that is not IgE-mediated Atopy: a genetic predisposition to produce significant amounts of antibodies Arthus ...