Asthma is a common disease that affects the airways of the lungs. Asthma causes the lining of the airways to be inflamed. This makes the airways more sensitive to allergens or other triggers, such as smoke, stress, exercise, or cold air. These triggers do not affect most people, but can cause mild to severe symptoms in people with asthma by blocking airflow to the lungs. Asthma affects more than 22 million people in the United States, including approximately seven million children. Asthma is more common in people who have family members who have allergies and asthma

There is a wide range of symptoms. Wheezing, or squeaky whistling sound while breathing, and shortness of breath are common symptoms in asthma. Some people have chest colds or bronchitis a few times a year. Others may only have a cough that wakes them up at night, when they exercise, or when exposed to animals.

The presentation of asthma symptoms can vary, but it is important to remember that all asthma is serious and can even be deadly. Asthma is a chronic disease, meaning it does not go away. If asthma is not treated properly, it can damage the lungs. The good news is that asthma can be controlled with a variety of medications.

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