Some molds, another allergy trigger, may also be seasonal.

During the fall season, ragweed is the biggest allergy trigger.

Pet dander - the dead skin that dogs, cats, and other warm-blooded animals shed - is a common allergy trigger for many people.

Rochelle Doctor looks forward to the holidays, but she also has to look 'forward' to avoid allergy triggers.

There could be hidden allergy triggers and irritants all around you that you don't know about.

When you come into contact with an allergy trigger, known as an allergen, your body makes antibodies against it.

In this order, the top allergy triggers are:

An allergist can determine your allergy trigger.

If you have allergies, avoiding allergy triggers will go a long way toward making it easier to breathe.

Many people who have one allergy trigger tend to have other triggers as well.