TruZone peak flow meter measures Peak Expiratory Flow – the fastest speed you can force air from your lungs after taking a deep breath.

Daily use of a TruZone peak flow meter to record readings may indicate whether lung function is getting worse even before experiencing symptoms.

It may help you:

Identify when your lung function changes - so you can add or reduce medications according to your Asthma Action Plan

Monitor how well your medication is working Identify 'triggers' that can aggravate your lungs and make breathing more difficult

Know when to seek immediate medical attention