ALLERGY BASICS

From fluffy kittens to lush lawns to shady trees, some of the most beautiful things out there can make allergy symptoms act up. Find out what causes allergies and what to do about them, so you can enjoy more of the world around you.

What are allergies?

In people with allergies, the immune system mistakes a substance that’s ordinarily harmless to most people for something dangerous and attacks it. These normally harmless substances are called allergens.

What Are Airborne Allergens?

There are 200+ different airborne allergens which come from four categories, including animals, mould, dust mites, and pollen. These sources of airborne allergens are light, so they can travel through the air and stick to your clothes and hair.

What Causes Allergy Symptoms?

When you take a breath or rub your nose or eyes, allergens enter your body and your immune system triggers a hypersensitivity reaction. To get rid of the substance it thinks is harmful, your body undergoes various reactions and releases inflammatory mediators like histamine.
When the histamine binds to receptors on other cells in your body, it causes you to experience allergy symptoms, including runny nose, sneezing, itchy/watery eyes, itchy nose or throat, nasal congestion and sinus pressure.

Outdoor Seasonal Allergies

Outdoor allergies are often called seasonal allergies because they change with the seasons. They’re caused by an overreaction of the immune system to ordinarily harmless allergens found outside, such as those from mould spores and tree, grass and weed pollens. While these allergens can be difficult to avoid, you can find easy tips to help minimise your exposure so you can enjoy more of the great outdoors.

Indoor Allergies

Indoor allergies are caused by an overreaction of the immune system to allergens from dust mites, pet dander and mould. Indoor allergies can happen any time of the year, but may be more troublesome in the winter when many people spend more time inside. You can enjoy more of your home year-round with our simple tips to help reduce allergy triggers.

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