The alergy to the microscopic organism which lives in the dust found in almost all the homes or workplaces is popularly known as the dust mite alergy. Dust mites are possibly the common most source of perennial alergic rhinitis.

The symptoms generated due to the dust mite allergy are almost like symptoms in pollen alergy besides exhibiting certain symptoms like asthma also.

The most incommodious dust mite allergens are the digestive enzymes that are released into the mite feces. The petite fecal bits of the mites break up to form an extremely fine powder that could easily hover into the air when disturbed. This condition normally takes place during the vacuuming, while making the beds, turning in the bed during sleep or even walking over the carpets. The asthma or nasal alergic symptoms may develop in the allergic person when he inhales such dust mites.