At a glance
- The National Center for Health Statistics Data Query System features estimates of asthma and asthma episodes and attacks.
- These estimates are based on data from the National Health Interview Survey.
Asthma
Asthma is a lung disease that can cause repeated episodes of wheezing, breathlessness, chest tightness, and nighttime or early morning coughing.
Asthma
Get statistics from the NCHS Data Query System.
Sources
The National Health Interview Survey provides DQS with data about this topic from household interviews.
Asthma episode/attack in adults
During an asthma episode or attack (asthma episode/attack), the sides of the lung's airways swell, and the airways shrink. Less air can pass in and out of the lungs, and mucous may further clog up the airways, making breathing more difficult.
Asthma episode/attack in adults
Sources
The National Health Interview Survey (NHIS) provides DQS with data about this topic from household interviews.
Preliminary Data
DQS includes final data from NHIS. More recent preliminary data for this topic are available through the NHIS Early Release Program.
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