2010 – Active allergy to house dust mites makes asthma/COPD worse
A recent review of the treatment for chronic obstructive pulmonary disease (COPD) in England. It points out that 25% to 45% of patients diagnosed with the disease have never smoked. Yet, almost all of the clinical trials designed to investigate drug remedies for COPD recruit patients who smoke. This throws doubt over the condition itself and pharmacological remedies that may be considered. Severe or poorly controlled asthma is considered a major risk factor for the subsequent development of COPD in non-smokers. Allergens such as from house dust mites are considered a major cause of the symptoms of asthma. Asthma and COPD can exist together in one patient. The Consultation stresses the importance of repeated spirometer readings for lung power, allergen testing and trigger avoidance.
2010 ‘Consultation Strategy for Services for COPD in England’, Department of Health Gateway number 11943, Crown Copyright, 23, Feb, 2010 & The Lancet: (2009) Vol. 374; p733-743
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Don't let house dust mites roam over you while you sleep. I'm serious!! 
