Why do dust mites cause allergic reactions?

The dust mite allergens can also cause skin rashes upon contact, a similar reaction to contact dermatitis. There are antigens in dust mites, their droppings and their shed exoskeletons. Once these antigens get under the skin of someone with an allergy, the antigens cause mast cells to react. read more

Allergies to house dust mites are very common, especially affecting people with atopic diseases such as asthma, hay fever and eczema. The allergic reactions are caused by a reaction to minute airborne particles that are in all our homes and symptoms often include itchy, watery eyes, a blocked or runny nose and sneezing. read more

Dust also contains the feces and decaying bodies of dust mites, and it's the proteins present in this dust mite "debris" that are the culprit in dust mite allergy. Risk factors. The following factors increase your risk of developing a dust mite allergy: Having a family history of allergies. read more