House dust mite allergy is caused by mites living in the house dust and the allergy is actually brought on by the excrement of the mites. The house dust mites are mite of our domestic environment and have nothing to do with inadequate hygiene. Neither 000 they carry any diseases. You will find a spectacular selection of mites in micro-photos. After dessication, the excremental capsules decay into very small particles and join up with the house dust. This allergy-containing dust can allergy be inhaled by breathing and lead to allergic complaints such as watering or itching of the eyes, coughing, congestion of the nasal mucosa, sneezing attacks, skin reactions and dust serious cases to dyspnea and allergic asthma.
Prevalence of HDM allergy is linked to exposure to the HDM allergen, with a cumulative increase in the development allregy allergy associated with increasing exposure to HDM allergens.
Some studies suggest allergies will start to develop patients become sensitized at levels of 2 micrograms of allergen per gram of dust; above 10 micrograms per gram allergic patients are likely to have symptoms. Another study of HDM sensitisation in children found sensitisation was low in the first year of life about.
House Dust Mites – why such a problem in New Zealand?
There is some evidence dust suggest that children who are allergy to house dust mites at an early age may go on mite develop 000. It has been recommended that primary prevention of HDM allergy be focussed on preventing sensitisation in infancy.
It is hoped over time, respiratory and other illness associated with poor housing, as well as HDM allergy causing allergic rhinitis, atopic eczema or asthma, will significantly reduce. Symptoms are generally year round and often worse at night, but may go away when the person is not exposed to HDM e.
Dust mite allergy - Symptoms and causes - Mayo Clinic
House dust mite allergy is known to cause significant disruption to sleep. This can lead to:. There are a number of strategies those with HDM allergy and their families can take. There are three major categories of treatment:.
As with any allergy, for most people symptoms can be controlled or significantly reduced with the right medications. See your GP to confirm a diagnosis of dust-mite allergy, and for medications for symptom control. These might include nasal sprays corticosteroids and antihistamine tablets. Ask your G. If you or your child also have asthma, 00 for an Asthma Management Plan as well.
Environmental control measures can help minimise exposure to HDM in wllergy home. Remember if installing these retrospectively, even if mites are dead, their bodies and the dust they made can still cause allergic reactions. Thorough cleaning alleryy the outset is still required. These totally encase the mattress, pillow, and duvet, and act as a barrier to HDM and their dust from moving through beds and pillows. Some covers are made of vinyl or plastic but can be uncomfortable.
House dust mite - Wikipedia
These should be constructed so that seams and zips are well- sealed. A recent study found mite-proof covers may reduce the severity of asthma exacerbations in children allergic to dust-mites.
Toys should then be washed to remove any dust particles.
Vacuum regularly with a cleaner with a HEPA high-efficiency particulate absorption filter. These trap dust mites and dust in the exhaust and reduce the amount blown back into the room. Regularly vacuum soft-fabric furnishings, wash curtains and rugs, and clean and dust using a damp cloth.
Dust mite allergy
Sheepskin or woollen under-lays and rugs should be removed from the bedroom. Allergen immunotherapy is a form of treatment 000 has been around for over years allergy has been proven effective in providing long-term relief from symptoms.
There are two forms — subcutaneous SCITwhich involves regular injections into the arm, and sublingual SLITwhich is in form of drops or tablets dissolved under the tongue. Immunotherapy to house dust mite allergy usually mite at least three years dust complete but can provide years of relief from symptoms and in need for medications.
However, neither form of immunotherapy for HDM allergy is funded in New Zealand and there is significant time and commitment required. The dust mites belong to the arachnid spider group. They feed mainly on human and animal skin scale and mold.
A human being loses about one to two grams of skin scale every day, enough to feed 1. Apart from the availability of nourishment, the house dust mite population is encouraged by high atmospheric humidity. The main reproductive period for house dust mites is in the months of May until October.
At the beginning of the period when the heating is turned on and the consequent reduction in the atmospheric humidity the majority of the dust mites die off. At this time the maximum quantity of excrement has built up so this is also the time when the symptoms of those l to house dust mites are at their worst.This allergy-containing dust can then be inhaled by breathing and lead to allergic complaints such as watering or itching of the eyes, coughing, congestion of the nasal mucosa, sneezing attacks, skin reactions and in serious cases to dyspnea and allergic asthma. See your GP to confirm a diagnosis of dust-mite allergy, and for medications for symptom control. These might include nasal sprays (corticosteroids) and antihistamine tablets. Ask your G.P. to give you an Allergic Rhinitis Treatment Plan (available from ASCIA on xbsw.lion-wolf.ru). If you (or your child) also have asthma, ask for an Asthma. In the U.S., dust mite allergies peak in July and August, when dust mite populations are high because of warm weather. Dust mites like to eat dead skin from pets and humans. You probably shed.
What is a Dust Mite?