Asthma Action Plan: Green Zone

An Reference asthma Opens New Window action plan is a written plan of what to do if you or your child has an Reference asthma attack Opens New Window. The green zone of the asthma action plan is where a person with asthma wants to be every day. When in the green zone:

• The Reference peak expiratory flow Opens New Window is 80% to 100% of the person's personal best measurement. To find 80% of your personal best, multiply your personal best measurement by 0.80. For example, if your personal best flow is 400, then 80% of that is 400 times 0.80, which is 320.
• The person does not have any symptoms of an asthma attack.
• The person is able to do his or her usual activities and can sleep without having symptoms.

If you or your child continues to stay in the green zone for several weeks, your doctor may reduce the amount of daily asthma medicine.

© 1995-2011, Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.