Allergens (triggers) from dust mites can come from their body parts, saliva, or their droppings.
Allergic diseases from exposure to dust mites can include asthma, hayfever, conjunctivitis, sinusitis, eczema or any combination of these. They have also been linked with conjunctivitis, urticaria, dermatitis, anaphylaxis, hypersensitive pneumonia, angioedema, extrinsic allergic alveolitis, allergic and migraine headache, and certain gut disorders in which IgE is involved.
Of the 22 known allergens from dust mites, seven are active digestive enzymes and several are classified as unknown.
Did you know?
- Dust mites are arachnids, which mean they are related to spiders.
- Dust mites can’t drink or urinate. Since they must have water, they absorb it from moist environments through glands on their front legs.
- The average life cycle for a male dust mite is 10–19 days. A mated female dust mite can last up to 70 days, laying 60 to 100 eggs in the last 5 weeks of her life.
- The dust mite is nearly impossible to see without magnification.
- A typical mattress can contain tens of thousands of dust mites.
- Dust mites primarily feed on dead skin shed by humans and other animals.
- Up to 100,000 mites can live in a single square yard of carpet!