Their depositions, and various parts of your body contain the volatilized particles and make contact with the mucosa (lining) occur in nasal and bronchial inflammation that they result in allergic rhinitis or bronchial asthma.
Unlike pollens, seasonality is less marked and are found all year round, especially in humid areas like the coast where its concentration (with exceptions) is much higher than in inland locations where the climate is drier.
Despite this difference between the coast and the drier areas in Chile is also prevalent in cities where the houses indoor damp or they exist in conditions that favor its growth such as carpets, stuffed animals, books, plants, etc.

SYMPTOMS
The patient allergic to dust mites often develop symptoms of allergic rhinoconjunctivitis and / or bronchial asthma all year round symptoms may fluctuate slightly with the seasons, being more intense in winter.
Many people say many colds or having a cold glued or present many sinusitis during the year, hiding under these demonstrations an allergy to dust mites, which may be either causing the symptoms or predisposing the mucosa to the development of complications such as sinusitis.

SUSPECT
Symptoms of runny nose or watery white mucus persistent fluctuating during the day many times worse in the morning. Nasal congestion that often remained generally worse at night, frequent sneezing and nasal itching. These symptoms of rhinitis are common throughout the year and usually trigger and worsen dust inside homes and temperature changes.
Often the problem is detected by a recurring sinusitis. Dust mites also may cause bronchial asthma and boxes allergic conjunctivitis.
In children, especially infants, mites are the cause of many atopic dermatitis.
Symptoms are typically asthmatic airway obstruction: difficulty breathing, wheezing, chest tightness, dry cough more frequently at night or after exercising

HOW IS IT DIAGNOSED?
Diagnosis is made through medical history and corroborated by laboratory tests. The classical diagnostic tests are used in skin testing and measurement of mite-specific antibodies of IgE in blood type (this test is not necessary most of the time).
Additionally, depending on each patient, these tests may be supplemented with X-ray, scan, cytology, pulmonary function tests and so on.

TO DO:
Once the diagnosis by a doctor and prescribed the necessary drugs (usually a combination of antihistamines, topical corticosteroids and immunotherapy sometimes above depending on the particular case), the patient can greatly assist in controlling the disease if it has out the following environmental control measures:

The most efficient measures to decrease the level of mites where the patient lives are:
*Lowering the relative humidity where the patient lives at levels below 50%. This measure is not easy to implement, but if it gets is highly effective because the mites can hardly thrive in these conditions.
*Removal of carpets, particularly in the patient’s room. Prefer hardwood floors, ceramic, linoleum, etc.
*Elimination of soft toys, books and other items that collect dust in the patient’s room
*Use dust mite covers for mattresses, pillows
*Dust surfaces with damp cloth (not shake)
*Sometimes it is helpful to wash sheets and blankets and bedspreads every 10 to 15 days at temperatures equal to or greater than 55 º C, with a good drying weather

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