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Your asthma triggers are unique to you. They can cause coughing, wheezing, tightening of the chest and trouble breathing (an asthma flare-up), which can lead to an asthma attack. Your doctor can help you pinpoint your triggers and manage your symptoms. When you know your triggers, you’ve got the power to stop flare-ups before they start.
Do you know your asthma triggers?
Download the Trigger Checklist
Triggers can cause asthma flare-ups and attacks. This grid includes some of the most common triggers among people with asthma. Click on a trigger to reveal tips for how to steer clear of it.
Triggers can cause asthma flare-ups and attacks. This grid includes some of the most common triggers among people with asthma. Click on a trigger to reveal tips for how to steer clear of it.

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