vasovagal episode (syncope, fainting)
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