I am allergic to dust.
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to something in the environment 
I get very sick when there is a lot of dust.
fine particles of matter is what we refer as dust
Yes and it is such a nuisance.
It generally consists of particles in the atmosphere that come from various sources such as soil, dust lifted by weather
I am also allergic to house dust which contains skin and fabric particles.
Our environments contains small amounts of plant pollen, human and animal hairs, textile fibers, paper fibers, minerals from outdoor soil,which has inherent dust
It sounds so gross.
Dust mites are microscopic arachnids whose primary food is dead human skin cells,