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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 [ 1 ] [ 2 ] and can trigger allergic reactions such as asthma , eczema or itching .
Dust mite faecal pellets that can be small as 10 μm, [1] but can be contained by anti-mite fabrics of a denser pore size. [2] House dust mites (HDM, or simply dust mites) are various species of acariform mites belonging to the family Pyroglyphidae that are found in association with dust in dwellings. [3] They are known for causing allergies.
A dust mite allergy might “take on the appearance of insect bites,” or a skin rash, says Dr. Faix. It also can manifest as asthma or allergy-like upper respiratory symptoms.
Sustained growth of house dust mites by A. penicillioides can also be a health hazard. House dust mites can activate mast cells and T cells, which release mediators like prostaglandin and histamine that have multiple effects on epithelium. Dust mite-induced signals are then propagated through epithelium, which enhance allergic airway ...
The allergic reactions develop in response to foreign proteins within the fecal pellets of the mites. Dermatophagoides pteronyssinus, the house-dust mite is the best known species causing such problems. [14] Mites causing similar problems are in the genera Acarus, Glycyphagus, Tyrophagus, and others. Cytodites nudus respiratory mite
Dander is microscopic, and can be transported through the air in house dust, where it forms the diet of the dust mites. Through the air, dander can enter the mucous membranes in the nose and lungs, causing allergies in susceptible individuals, largely through the mechanism of allergy to proteins in the bodies of the dust mites that live on ...
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