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Shock and fainting

by Dr Chris Brown

What should you do if you or someone close to you experiences shock or fainting? Dr Chris Brown explains the dos and don'ts

Both conditions occur when there has been a sudden, marked fall in blood pressure, which reduces the amount of blood and oxygen flowing to the brain. This leads to feelings of faintness, dizziness, and confusion.

Shock may also occur:

  • After any accident, especially when there has been loss of blood.
  • After any serious infection which has involved loss of fluids.
  • After a serious burn.
When a person suffers shock they can:
  • Go pale.
  • Become sweaty, cold and clammy.
  • Feel dizzy.
  • Have a weak, fast pulse.
  • Have slow, shallow breathing.
  • Have low blood pressure.
  • Seem anxious and restless.
  • Lose consciousness.
What to do if someone is shocked or feels faint
  • Lay them down, raising and supporting their legs.
  • Make sure the subject is comfortable and warm – but not hot.
  • Do not give drinks, but moisten their lips if necessary.
  • Lay them on their side if they are unconscious, or if there is any bleeding from the mouth, or if they are vomiting.
  • Call for an ambulance as they will need to be examined by a doctor.

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This iVillage Health service area is designed for educational purposes only. You should not rely on this information as a substitute for personal medical attention, diagnosis or hands-on treatment. If you are concerned about your health or that of a child, please consult your family's health provider immediately and do not wait for a response from our professionals. For the full Disclaimer, click here.
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