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Peak flow meter use - series: Peak flow meter use - part one

Peak flow meter use - seriesIllustrations: Peak flow meter use - part one Peak flow meter use - part two Peak flow meter use - part three Peak flow meter use - part four Peak flow meter use - part five Peak flow meter use - part six Peak flow meter use - part seven

A peak flow meter helps you check how well your asthma is controlled.

Use it every day, and keep track of the results to help your doctor learn about your asthma. This may also help you determine if your asthma is getting worse, even before you have symptoms.