A variety of things in the environment can make asthma
or allergy symptoms
worse. These are called "triggers."
Your doctor can help you figure out what your child's triggers are.
Irritants (also called pollutants) are a common trigger for many kids.
Irritants are things that pollute the air. If they get inside your nose, they can
cause irritation of the nose and lungs. Common irritants include:
Cook Children's Health Care System, Fort Worth, Texas