Spirometry and FENO Information
Preparing for Your Spirometry Test
To ensure accurate results from your spirometry test, please follow these important guidelines:
- Do not smoke for at least 1 hour before your test
- Avoid alcohol for 4 hours prior to your appointment
- Do not eat a large meal within 2 hours of the test
- Wear Loose, comfortable clothing that does not restrict your breathing
- Avoid vigourous exercise for at least 30 minutes before your test
- If you use inhalers or other puffer medications, you may be asked to withhold them for a few hours before the test
- Please bring all your inhalers with you to your appointment.
Preparing for your FENO Test
Please ensure that you follow the below instructions when attending your FENO appointment:
- Leave in plenty of time and avoid exerting yourself at least 1 hour prior to your appointment
- Avoid smoking at least 1 hour before your test
- Hot drinks, caffeine and alcohol should be avoided for at least 1 hour before your test
- Avoid nitrate rich foods such as green leafy vegetables (i.e. celery, leek, beetroot, lettuce and spinach) at least 3 hours before test.
Further information is included in the below linked leaflet.
