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About Asthma

If you have asthma you are not alone. In the United States, asthma affects 14 to 15 million people. Today, 10 million adults have asthma. Asthma, also known as reactive airway disease, is defined as a chronic lung condition with inflammation (swelling) of the airways, increased sensitivity of the airways to a variety of things that make asthma worse, and obstruction of airflow.  

 

What Is Asthma?

Learn what asthma is and how it can affect breathing.

What Are Asthma Symptoms?

Know the early warning signs of asthma and recognize symptoms that may indicate an asthma episode (asthma attack) is occurring.

What Causes Asthma?

While the cause of asthma is unknown, several factors may lead to an increased risk of developing asthma.

How Is Asthma Diagnosed?

Read about how your physician will work with you to determine if you have asthma, including tests that may be used in your evaluation.

What Makes Asthma Worse?

Certain things can make your asthma worse, including irritants, allergies, exercise, infections, sinusitis, weather, emotions, gastroesophageal reflux and hormone changes.

Are There Different Types of Asthma?

Types of asthma include exercise-induced asthma, steroid-resistant asthma, nocturnal asthma and occupational asthma.

Is Asthma Related to Other Conditions?

Asthma can be affected by other conditions, including allergies, sinus problems, vocal cord dysfunction, gastroesophageal reflux disease and RSV.

Asthma Information for Kids

Children can meet the Asthma Wizard to learn about asthma on a kid's level.

Asthma Information for Adults

The information in this site can help you and your family learn how to manage asthma so you can lead full and productive lives.

Asthma Information for Healthcare Professionals

This link will take you to information on asthma developed for the healthcare professional. Topics include content about inflammation and steroid resistant asthma, treatments and medications, living with asthma, and programs offered by National Jewish Health.

 

More Asthma Information:  

Note: This information is provided to you as an educational service of National Jewish Health. It is not meant to be a substitute for consulting with your own physician.

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