One cannot escape from them. But one cannot escape from the air. Due to this, respiratory allergies are widespread. Complications due to air allergies cause rhinitis and bronchial asthma. Rhinitis can be seasonal or perennial.
Seasonal rhinitis is due to pollen.
Perennial rhinitis is due to house dust. It should be treated throughout the year. Bronchial asthma is also increasing because of dust and air pollution. People who suffer allergic attacks generally have a family history of allergies. People with allergies may have elevated IGE levels.