What Are Allergies?
In people with allergies , the immune system mistakes a substance that’s ordinarily harmless to most people (substances from pollen , mould , pet dander and dust mites ) for something dangerous and attacks it. These normally harmless substances are called allergens .
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.
DID YOU KNOW?
To rid itself of the allergen , your body undergoes various allergic reactions known as the “allergic cascade.”1 This results in various inflammatory mediators. One of these mediators that is released by the immune system after being exposed to an allergen is histamine . When you inhale an allergen, mast cells release histamine. Histamine then attaches to receptors on nearby blood vessels, causing them to enlarge (dilate). Histamine also binds to other receptors located in nasal tissues, causing swelling, itching and runny nose.
How Are Allergies Diagnosed?
Sometimes, it’s easy to guess what you might be allergic to. For example, do you sneeze every time you go into a dusty? Or do your symptoms act up every year during pollen season?
But if you’re not sure what’s causing your symptoms, you can see an allergist to help identify what you’re allergic to—so you know what triggers to avoid. At the appointment, your doctor may:2
- Take your personal and medical history to help understand your symptoms and their possible causes. It’s a good idea to jot down some notes before your appointment about your family history, lifestyle and potential triggers.
- Perform a physical exam, paying special attention to your nose, throat, eyes, ears, chest and skin.
- Conduct a skin test, patch test and/or blood test to help determine what you’re sensitized to.
Reducing Your Exposure to Airborne Allergens
In addition to taking ClarityneTM to help tackle tough symptoms, it’s important to help reduce your exposure to allergy triggers in the first place. You can find simple tips for helping to reduce your exposure to the different indoor and outdoor allergy triggers below.
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 minimize your exposure so you can enjoy more of the great outdoors.
LEARN MORE ABOUT OUTDOOR SEASONAL ALLERGIES
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.
LEARN MORE ABOUT INDOOR ALLERGIES
REFERENCES
- https://www.claratyne.com.au/200-allergens Accessed May 13, 2022.
- Allergy Diagnosis. Asthma and Allergy Foundation of America. Accessed May 13, 2022.
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