Needle Related Fainting: Why does it happen? What to do about it?

Fainting is caused by a sudden drop in blood pressure. This occurs when the brain (your control centre) does not receive enough fuel (oxygen), and you lose control and awareness for a short period of time. This drop in blood pressure is called the vasovagal response.

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The CARD System

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Improving the Vaccination Experience: Using numbing cream to reduce pain