An episode that involves all of the following:

  • pallor and unresponsiveness, reduced responsiveness or feeling light-headed
  • bradycardia
  • resolution of symptoms with a change in position (supine position, head between knees or limbs elevated)

A vasovagal episode may occur while vaccine is being administered or shortly after (usually within 5 minutes)

Last updated: 
11 June 2018
Last reviewed: 
11 June 2018