Woman using a nebuliser  

A nebuliser is a machine that creates a mist of medicine, which is then breathed in through a mask or mouthpiece.

They are more commonly used to give high doses of reliever medicine in an emergency situation, for example in an ambulance or in hospital, but are no more effective than an inhaler and spacer for treating most mild to moderate asthma attacks.

It is not recommended that you rely on a nebuliser to self-treat asthma attacks at home (unless it is part of your action plan as discussed with your doctor or consultant).

The nebulisers used in hospitals work very differently (they’re driven by oxygen) from the ones you can buy (they’re not driven by oxygen).

If you do have your own nebuliser, it’s very important to have it serviced regularly and that you understand how to keep it in good working order.

Read more about nebulisers by downloading our factfile.

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