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Asthma is a chronic lung disease that affects people of all ages.
Asthma is caused by inflammation and muscle tightening around the airways, making it harder to breathe.
Symptoms can include wheezing, coughing, shortness of breath and tightness in the chest.
Your airways narrow and swell and may produce extra mucus. This can trigger anxiety.
Asthma symptoms can be mild or severe and can come and go over time.
It can usually be managed with rescue inhalers to immediately lessen or stop symptoms.
Controller inhalers prevent symptoms but do not help with a current attack.
Severe cases may require longer-acting inhalers that keep the airways open, as well as oral steroids.
In most cases, maintaining a healthy weight, not smoking cigarettes and exercise can keep asthma symptoms at bay.
An asthma nebulizer is a small machine that turns liquid (such as albuterol) medicine into a mist that can be inhaled to treat asthma.