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Frequently asked questions

What is the purpose of NIV?

NIV supports the efforts of breathing: it enables you to receive the oxygen that you need safely. NIV also helps prevent the build up of carbon dioxide, which is the waste product of breathing.

How long do I need to use NIV?

Your doctor will specifically recommend how long you should use your NIV therapy for, always follow their recommendations. .

How should I fit the mask?

The NIV mask should be comfortable for continued overnight use. It is important that the head straps are not too tight on your mask as this can cause the skin to develop sores. The NIV mask should provide a snug fit, with no air leaks. When taking the mask on and off always undo the straps, as the headgear will not retain its shape if continually stretched.

How do I know if the NIV treatment is not working properly?

If your condition appears to be worsening or if you experience any of the following, you should contact your GP or respiratory specialist.

What can I do to make the NIV treatment more comfortable?

If your mask is causing friction or discomfort while in use, relieve pressure off the affected areas and reseat the mask at regular intervals. Sometimes a small dressing may help to reduce pressure as long as skin is intact. If problems persist or if there is any tear to the skin contact the nurse specialist at your hospital for advice on dressing.

Occasionally you may feel bloated as a result of swallowing air; this can be alleviated by eating at least two hours before applying NIV.

If you eyes become sore this may be due to air leakage, re-adjust the mask and use mask features to prevent air escaping. Refer back to your mask fitting guidelines. If you are continuously experiencing problems with mask leakage please contact us for advice.

What if I am ill?

If you notice that your breathing is more difficult over a gradual period it may be that your treatment needs adjustment in which case you should contact your prescribing Hospital. However, if you feel you have a chest infection with a change in sputum it would be advisable to visit your GP. If you need urgent medical help call 999, ensure the ambulance crew are aware that you use NIV and oxygen (if applicable). It is essential that you take your NIV equipment with you to the hospital.