Everyone has their own unique combination of allergic triggers, and not all of them are obvious. You may be sensitized to several allergen sources, but not enough to trigger symptoms when you are exposed to only one of them. But when you encounter multiple substances you’re allergic to at the same time, they can add up, and you may start experiencing symptoms, like itchy eyes or a runny nose.

Determining if you’re allergic and identifying your allergic triggers can help you stay below your symptom threshold - the point where you start experiencing allergy symptoms.

Allergic Triggers Can Add Up

Most people with allergies, up to 80%, are allergic to multiple allergens. And for some of these people, symptoms may appear only when they encounter two or more things they’re allergic to at the same time.