Keep an asthma diary. In it record--

• Right hand page--food taken throughout the day
• Left hand page--Any breathlessness experienced throughout the day.
• Look for any correlation between the attacks & the food/any other factors.
• Use a peak flow meter. Many of them have red, green zones. Take daily early morning readings. Further still you can get a regime from your physician as to how to change the doses when your reading is in the red zone. You can manage yourself better this way .
• Left hand page--PEF readings-early morning. If you find a dip in the reading then you can anticipate an attack.

How to use a peak flow meter?

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