Hypersensitivity Market - Global Industry Analysis, Trends and Forecast 2014 – 2020

Hypersensitivity reaction is the over reactive immunological response towards antigens. In some cases, body’s own cells are miss-read as foreign cells and immune response is mounted against these cells. Hypersensitivity may lead to serious injuries, lifelong disorders and even death. There are two types of hypersensitivity reactions, namely, immediate hypersensitivity reaction and delayed hypersensitivity. Immediate reaction also called as allergic reactions involve antibodies while delayed type reactions involve T lymphocytes. Hypersensitivity reactions can be classified in to four main types (Gell and Coomb’s classification), follows:

Type I- immediate hypersensitivity reaction involving IgE

Type II- cytotoxic hypersensitivity reaction involving IgG and IgM

Type III- immune-complex reaction involving circulation Ag-Ab (antigen-antibody) complex

Type IV- delayed hypersensitivity reactions involving T cells.

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Hypersensitivity may lead to various disorders such as asthma, erythroblastosis fetalis, goodpasture's syndrome, Graves' disease, myasthenia gravis, rheumatoid arthritis, and systemic lupus erythematosus among others. Diagnosis of allergies is done using various molecular and immunoassays, which deliver quick and accurate test results. ImmunoCAP test by Thermo Fisher Scientific is one the most widely used test for allergy testing.

Advent of multiplex technology has also revolution allergy testing, in which single sample can be tested for multiple analytes. The test is cost effective and also required very small amount of sample to conduct the test.

Drug hypersensitivity is becoming a major concern, in which individuals suffer from allergy towards drugs, most common being insulin and beta lactums such as penicillin. Allergy is also a common disorder across the globe. According to World Allergy Organization, allergic rhinitis affects...