What Is Asthma? Asthma is a chronic lung disease that affects
people of all ages, though it often begins in childhood. When
you have asthma, you always have inflammation or swelling in the
airways of your lungs. You may not feel this inflammation, but
your lungs do. It makes breathing more difficult. Uncontrolled
inflammation (swelling) makes your airways more sensitive to
asthma triggers like pollen, dust, and smoke. Exposure to these
asthma triggers can cause constriction (tightening) of the
muscles around your airways, leading to asthma symptoms like
shortness of breath, wheezing, tightness of the chest, and
coughing. Asthma controller medications can help control the
inflammation in your airways and help reduce your sensitivity to
asthma triggers. Asthma control is about managing your asthma
daily so you have few or no asthma symptoms in the first place.
When your asthma is under control, you can do more of the things
you like to do with fewer interruptions due to your asthma.
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