Fainting

Causes of fainting

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

  • standing up too quickly – this could be a sign of low blood pressure
  • not eating or drinking enough 
  • being too hot
  • being very upset, angry, or in severe pain
  • heart problems
  • taking drugs or drinking too much alcohol

Symptoms of fainting

Fainting usually happens suddenly. Symptoms can include:

  • dizziness
  • cold skin and sweating
  • slurred speech
  • feeling sick
  • changes to your vision

Things you can do to prevent fainting

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

  • lie down with your legs raised – if you cannot do this then sit with your head lowered between your knees
  • drink some water
  • eat something
  • take some deep breaths

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.

Call 999 if:

Someone faints and they:

  • cannot be woken up after 1 minute
  • have severely hurt themselves from a fall
  • are shaking or jerking because of a seizure or fit

MCP First Aid Training provides a comprehensive range of regulated training courses.

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