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Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. [11] These diseases include hay fever , food allergies , atopic dermatitis , allergic asthma , and anaphylaxis . [ 1 ]
Polydipsia is excessive thirst or excess drinking. [1] The word derives from Greek πολυδίψιος (poludípsios) 'very thirsty', [2] which is derived from Ancient Greek πολύς (polús) 'much, many' and δίψα (dípsa) 'thirst'. Polydipsia is a nonspecific symptom in various medical disorders.
Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [ 31 ] As of 2018 six allergens have been identified to prawn alone; along with crab, it is the major culprit of seafood anaphylaxis. [ 13 ]
Woman blowing her nose. If you suspect you have seasonal allergies you’re not alone: the Asthma and Allergy Foundation of America notes that over 24 million Americans experience the same thing ...
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Allergists do skin tests in one of two ways: either dropping some purified liquid of the allergen onto the skin and pricking the area with a small needle; or injecting a small amount of allergen under the skin. [20] Alternative tools are available to identify seasonal allergies, such as laboratory tests, imaging tests, and nasal endoscopy.
The best defense for fighting illness is a good offense, using tissues when coughing and sneezing. And, nurses remind parents and children alike that the single most important thing everyone can ...
Food hypersensitivity is used to refer broadly to both food intolerances and food allergies. [1] Food allergies are immune reactions, typically an IgE reaction caused by the release of histamine but also encompassing non-IgE immune responses. [1] This mechanism causes allergies to typically give immediate reaction (a few minutes to a few hours ...