What measures can be taken to avoid dust mites to help reduce symptoms of asthma?

Updated: Nov 20, 2020
  • Author: Michael J Morris, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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In the case of dust mites (Dermatophagoides pteronyssinus and farina, size 30 μm), the primary allergen is an intestinal enzyme on fecal particles. The allergen settles on fabric because of its relatively large size; therefore, air filtration is not very effective. Measures to avoid dust mites include using impervious covers (eg, on mattresses, pillows, comforters, the most important intervention), washing other bedding in hot water (130°F [54.4°C] most effective), removing rugs from the bedroom, limiting upholstered furniture, reducing the number of window blinds, and putting clothing away in closets and drawers. Minimize the number of soft toys, and wash them weekly or periodically put them in the freezer. Decrease room humidity (< 50%).

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