Fainting is a sudden and brief loss of consciousness. A person who faints may appear dizzy, slump to the floor, fall, or “swoon”. Fainting can indicate serious disease (e.g. low blood pressure, anemia, stroke, TIA, low blood sugars, carotid disorder, circulatory disorder, etc.), but there are a number of ...

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If you or a family member is experiencing dizziness, you’re likely to be feeling faint, light-headed or unsteady. Occasional attacks of dizziness are normal. However, there are serious causes of dizziness, so it’s important to see your doctor if you keep getting dizzy spells. Treatment will depend ...1

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Simple Causes: There are a number of simple and everyday causes of a faint.

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Causes of Fainting

Causes of fainting The brain relies on oxygen carried in the blood to function properly. Fainting can occur when the blood flow to the brain is reduced. Your body usually corrects reduced blood flow to the brain quickly, but it ...2

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Diagnosis of Fainting

Diagnosis: In some cases of fainting, you'll need to see a healthcare professional after the fainting episode to investigate whether there's an underlying health condition. Your GP will be able to diagnose the cause and determine whether further investigation ...3

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Causes List for Fainting

Possible causes of Fainting (or similar symptoms) may include:4

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Similar Symptoms

Is it really fainting? Is it dizziness or vertigo? Some of the other possible symptoms to consider include:

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Clinical Features of Fainting

This means less blood (and therefore oxygen) is getting to your brain for a short time.

  • You might feel faint, look pale and want to sit down.
  • Your vision may darken and in rare cases you may lose consciousness.

Source ...5

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Treatments for Fainting

What to do if you or someone else faints If you feel you're about to faint, lie down, preferably in a position where your head is low and your legs are raised. This will encourage blood flow to your ...6

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Prevention of Fainting

If you've had a fainting episode, you can avoid it happening again by:

  • avoiding triggers - such as hot and crowded environments, or emotional stress
  • spotting the warning signs, such as feeling lightheaded, and lying down to increase blood flow ...
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  1. Source: New Zealand Health: health.govt.nz/ your-health/ conditions-and-treatments/ diseases-and-illnesses/ dizziness
  2. Source: NHS Choices UK: nhs.uk/ conditions/ Fainting/ 
  3. Source: NHS Choices UK: nhs.uk/ conditions/ fainting/ diagnosis/ 
  4. Source: Algorithmically Generated List
  5. Source: New Zealand Health: health.govt.nz/ your-health/ conditions-and-treatments/ diseases-and-illnesses/ dizziness
  6. Source: NHS Choices UK: nhs.uk/ conditions/ Fainting/ 

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.