What are the environmental control measures for indoor allergens that cause allergic rhinitis (hay fever)?

Updated: Dec 26, 2018
  • Author: Javed Sheikh, MD; Chief Editor: Michael A Kaliner, MD  more...
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Depending on the allergen, environmental control measures for indoor allergens can be quite helpful. For dust mites, covering the mattress and pillows with impermeable covers helps reduce exposure. [55] Bed linens should be washed every 2 weeks in hot (at least 130°F) water to kill any mites present. [56, 57] Thorough and efficient vacuum cleaning of carpets and rugs can help, but, ultimately, carpeting should be removed. The carpet can be treated with one of a number of chemical agents that kill the mites or denature the protein, but the efficacy of these agents does not appear to be dramatic. Dust mites thrive when indoor humidity is above 50%, so dehumidification, air conditioning, or both is helpful. [58]

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