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Fainting is when you pass out for a short time. It is not usually a sign of something serious, but if it happens regularly you should see a GP.

Causes of fainting

There are many reasons why someone might faint. Causes include:

Symptoms of fainting

Fainting usually happens suddenly. Symptoms can include:


You must tell the Driver & Vehicle Licensing Agency (DVLA) if you're fainting regularly as it could affect your ability to drive.

Find out how to tell the DVLA about fainting.

Things you can do to prevent fainting

If you feel like you are about to faint, try to:

If you see someone faint

If you are with someone who has fainted, try to keep calm.

If you can, lay them on their back and raise their legs.

Usually, the person who has fainted will wake up within 20 seconds.