For asthma patients the day-to-day management of the disease becomes an important part of everyday life. Controlling asthma means paying careful attention to the causes and triggers of the asthma.

The "trigger factors", or "triggers", of asthma are used to describe the things that can cause an attack in someone who already has asthma.

It is something that sets off an attack, but which does not make a patient asthmatic in the first place.

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