Indoor Allergens
Your house may also be home to a variety of animal and
plant life, most of which can become a source for
allergens, the triggers of allergic reactions. Pollens are the main cause of
seasonal allergic rhinitis. However, if your nasal
stuffiness, sneezing, watery eyes, and constant postnasal
drip bother you year round, then you most likely have non-
seasonal hay fever or perennial allergic rhinitis. This
condition is
typically caused by indoor allergens such as dust mites,
cockroach parts, mold, and animal dander.
Understanding the nature and location of indoor sources
of allergy is fundamental. The key to managing allergies
that are caused by indoor allergens involves reducing your
level of exposure to them or avoiding them, if possible.
What actually is house dust?
House dust is a mixture of components that can cause
allergies. House dust is concocted of just about anything
you can think of, including dried food particles, mold
spores, pollen, fabric fibers, animal danders, and insect
parts, especially those of dust mites and cockroaches. As
is the case with other allergens, these particles contain
proteins that are small enough to become airborne and
inhaled. The main culprits in house dust that cause allergy
symptoms are dust mite and cockroach particles.
Next: What are dust mites? »
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Last Editorial Review: 4/24/2002
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