GLOSSARY

A

Allergen

A typically harmless substance that causes a response of the immune system. Examples of allergens include pollen, dust mites, animal dander, and mold.

Allergy

A chronic condition characterized by an unusual reaction of the immune system to a typically harmless substance, called an allergen. See Allergen.

Asthma

A chronic lung condition where the breathing tubes are inflamed and there is an increase in mucus production, reducing the amount of space for the air to reach your lungs. During an asthma attack, these breathing tubes temporarily become very narrow which makes it hard to breathe.

B

Biologic

Some biologics are injectable and are different from commonly used medications such as corticosteroids. Some biologics may target only the specific parts of the body that need to be treated.

C

Chronic

Lasting for a long time or occurring over and over for a long time.

Corticosteroids

Medications that decrease inflammation. Oral corticosteroids may be prescribed if you suffer with asthma.

F

Flare-up

An instance when disease symptoms get worse. This can include an asthma attack.

I

Immune system

The defence system that protects your body against harmful substances and invaders such as bacteria and viruses. The immune system is made up of many different cell types and organs.

Inflammation

Your body’s response to damage caused by bacteria, harmful substances, high temperature, or other factors. The damaged cells produce chemical signals that attract white blood cells that cause swelling in the surrounding tissues.

T

Triggers

Things that make your asthma worse. Examples of triggers include: irritants, pollen, hot and cold temperature.

W

Wheezing

A symptom of asthma caused by narrowed airways or inflammation. It is characterised by a high-pitched whistling sound that is heard more clearly when a person exhales.