Kids with asthma might have days with no breathing problems at all. That's a relief for parents and for kids because it means that the asthma is under control.
But when asthma symptoms like wheezing, coughing, or shortness of breath become more severe, more frequent, or both, it's known as an asthma flare-up (also called an asthma flare, attack, episode, or exacerbation).
If the flare-up is severe, a person might:
Here's what's happening inside the body when an asthma flare-up happens. In the lungs, airways let air in and out. When someone has asthma, these airways, also called bronchial tubes and bronchioles, might be slightly inflamed or swollen even when the person is relatively well.
But during an asthma flare-up, the inflammation gets worse. Sticky mucus clogs these important tubes, and their walls get more swollen. The muscles around the airways get tight, further narrowing the airway (called bronchoconstriction). This leaves very little room inside for the air to flow through — think of a straw that's being pinched.
People with asthma have airways that are overly sensitive to certain things (called triggers) that normally don't bother those without asthma, and exposure to triggers can bring on asthma symptoms.
Common triggers include:
Many people with asthma also have allergies. In them, allergens — the things that cause the allergic symptoms — also can cause asthma flare-ups.
Left untreated, a flare-up can last for several hours or even several days. Quick-relief medicines (also called rescue or fast-acting medicines) often take care of the symptoms pretty quickly. A person should feel better once the flare-up ends, although it can take several days to completely go away.
The severity and length of asthma flare-ups vary from person to person and even from attack to attack. They can happen without warning, with sudden coughing, shortness of breath, and wheezing. But because people with asthma have inflamed airways that worsen with gradual exposure to triggers, flare-ups also can build over time, especially in those whose asthma isn't well controlled.
Flare-ups can and should be treated at their earliest stages. So it's important to know the early warning signs that a child might have just before a flare-up. These clues are unique to each child and might be the same or different with each asthma flare-up.
Early warning signs include:
A peak flow meter can help predict when a flare-up might be on its way, although not all flare-ups can be prevented. Because they can be life-threatening, flare-ups demand attention. Your child might need to take quick-relief medicine (which acts quickly to relieve symptoms), visit the doctor, or even go to the hospital. Having a set of instructions (the asthma action plan) can help you know what action is needed.
To help prevent flare-ups:
|American Academy of Allergy, Asthma, and Immunology The American Academy of Allergy, Asthma, and Immunology offers up-to-date information and a find-an-allergist search tool.|
|American College of Allergy, Asthma, and Immunology The ACAAI is an organization of allergists-immunologists and health professionals dedicated to quality patient care. Contact them at: American College of Allergy, Asthma, and Immunology|
85 W. Algonquin Road
Suite 550 Arlington Heights, IL 60005
|Allergy and Asthma Network/Mothers of Asthmatics (AAN-MA) Through education, advocacy, community outreach, and research, AAN-MA hopes to eliminate suffering and fatalities due to asthma and allergies. AAN-MA offers news, drug recall information, tips, and more for treating allergies and asthma. Call: (800) 878-4403|
|AIRNow A cross-agency U.S. government website, AIRNow provides useful air quality information, including daily Air Quality Index forecasts and details on conditions in more than 300 U.S. cities.|
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