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![In Canada, about 15 million adults suffer from allergies In Canada, about 15 million adults suffer from allergies](https://www.reactine.ca/sites/reactine_ca/files/taco-images/allergyessentialscallout3.png)
Allergy Essentials
Allergy Muddlers in Canada
If you stash tissues like a squirrel stashes nuts, you’re not alone
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Allergy Essentials
REACTINE® Extra Strength
RELIEF from your indoor and outdoor allergy symptoms. Can start to work in just 20 minutes and lasts 24 hours. Available in 10, 30, 48 and 84 tablet packages.
Allergy Essentials
Understanding Allergy Symptoms
Allergies kick in when your immune system overreacts to normally harmless substances called allergens. Your body releases many chemicals, one of which is called histamine. Histamine is the most abundantly released chemical and is responsible for causing most of your symptoms.