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"An allergy can refer to several kinds of immune reactions including Type I hypersensitivity in which a person's body is hypersensitised and develops IgE type antibodies to typical proteins. When a person is hypersensitised, these substances are known as allergens. The word allergy derives from the Greek words allos meaning "other" and ergon meaning "work". Type I hypersensitivity is characterised by excessive activation of mast cells and basophils by immunoglobulin E resulting in a systemic inflammatory response that can result in symptoms as benign as a runny nose, to life-threatening anaphylactic shock and death."1
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-Nose: swelling of the nasal mucosa (allergic rhinitis)
-The distinctive behavior known as nasal salute, also known as allergy salute,is the habit of wiping of the nose in an upward direction due to itching.
-Eyes: redness and itching of the conjunctiva (allergic conjunctivitis)
-Airways: bronchoconstriction, wheezing and dyspnoea, sometimes outright attacks of asthma
-Skin: various rashes, such as eczema, hives (urticaria) and contact dermatitis. |
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| Top Rated Treatments for Allergy |
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