Respiratory allergic diseases: symptoms, diagnosis, and treatment
Respiratory allergies, such as allergic rhinitis (hay fever) and allergic asthma, are caused by the body’s allergic reaction to various substances known as allergens. These allergens may include plant pollen, dust, dust mites, mold, animal dander, and others. The symptoms of allergic conditions can be seasonal (related to a specific time of year and plant pollen) or persistent (continuous).


