Health Tip: Understanding Eye Allergies

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(HealthDay News) -- Red, itchy, teary or burning eyes can signal allergies, a condition that affects millions.

But what causes allergies? The American College of Allergy, Asthma, & Immunology mentions these possible triggers:

Pet dander

Dust mites

Mold

Pollen, with common sources such as weeds, trees and grass.

While not allergens themselves, things like cigarette smoke, diesel exhaust or perfumes can worsen existing symptoms.

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