

A trigger is something that makes asthma worse or brings on an attack. It is important to know as much as you can about your triggers, so that you can avoid or reduce your exposure to them.
Triggers are different for everyone, and sometimes it might be more than one trigger that sets off an asthma episode. Remember to pay particular attention to your triggers when your asthma is troublesome, as you will react more to them during this time. The lists below describe some common triggers:Some people also find that their changing emotions (such as being worried, up-tight, stressed, excited or happy) can make asthma worse. At times you may need professional help to balance your emotions, and your doctor will be able to refer you to the appropriate person.