Report #2866828

Received Oct 19, 2025

ER / ED visit

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex: Male
Age: 13 yrs
State: AZ
Recovered: Recovered
Vaccinated: Oct 18, 2025
Onset: Oct 18, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
FLU3	INFLUENZA (SEASONAL) (FLUBLOK)	SANOFI PASTEUR	1	tfaa2547	IM / LA

Symptoms (2)

Loss of consciousnessPresyncope

Symptom narrative

Patient received flublok and passed out within 5-10 minutes . Paramedics came to access him and parents decided to have him evaluated at hospital.

Current illness

none

Medical history

none

Other medications

none

Allergies

none

Lab data

Father said physicians at hospital felt it was a vasovagal response and son was feeling better and being discharged from hospital.