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Dust mite allergy, also known as house dust allergy, is a sensitization and allergic reaction to the droppings of house dust mites. The allergy is common [34] [35] and can trigger allergic reactions such as asthma, eczema, or itching. It is the manifestation of parasitosis.
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.
A food allergy is an abnormal immune response to food. The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of exposure.
An allergy occurs when the immune system overreacts to a substance or environment by mistaking it for a pathogen, producing an exaggerated immune response that can include fatigue, swelling ...
Allergic response. Dermatographic urticaria. An allergic response is a hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury.
Is it a food allergy, sensitivity or intolerance? Here's how to tell, according to experts.
Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [6] Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. [1] The fluid from the nose is usually clear. [2]
Anaphylaxis. Anaphylaxis (Greek: ana- 'up' + phylaxis 'guarding') is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the use of emergency medication on site. [4][5] It typically causes more than one of the following: an itchy rash, throat closing ...
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