A peak flow diary allows you to chart your asthma symptoms and peak flow readings.
Your GP or asthma nurse will be able to provide you with a diary.
It is helpful to take your peak flow diary to your asthma reviews to let your doctor or nurse see how stable your asthma has been.
You can also order or download peak flow diaries free of charge online.
Example of a peak flow diary
Download your own peak flow template:
Peak flow diary template [.pdf, 234KB]
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