People also ask


  • How to use a peak flow meter?

  • Make sure the red marker is at the bottom of the meter. Take a deep breath, filling your lungs completely. Place the mouthpiece in your mouth. Close your lips tightly on the peak flow meter鈥檚 mouthpiece. Blast the air out as hard and as fast as possible in a single blow. Write down the number by the red marker on the meter.

  • How do I find my personal best peak flow number?

  • Each person’s asthma is different, so your personal best peak flow number may be different from another person’s personal best number. To find your personal best peak flow number, take your peak flow each day for two to three weeks. Your asthma should be under good control during this time.

  • Why do I need to keep track of peak flow?

  • Readings from the meter can help you or your child recognize early signs of worsening asthma. Keeping track of peak flow numbers is part of your Asthma Action Plan.

  • How do you take peak flow?

  • How To Take Your Peak Flow 1 Every morning when you wake up, before you take medicine. Make this part of your routine. 2 When you are having asthma symptoms or an attack. Also after you take medicine for the attack. … 3 Any other time your doctor suggests.