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Report #2853361

Received Aug 8, 2025

HospitalizedER / ED visitOffice 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
Female
Age
12 yrs
State
CA
Recovered
Not recovered
Vaccinated
Aug 14, 2024
Onset
Aug 15, 2024
Days to onset
1
Hospital days
3

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
TDAPTDAP (ADACEL)SANOFI PASTEUR4U7983AAIM / LA

Symptoms (9)

Computerised tomogram head abnormalElectroencephalogram abnormalEpilepsyHyperventilationMagnetic resonance imaging head normalScalp haematomaSeizureSyncopeUltrasound abdomen normal

Symptom narrative

She had TDAP vaccine 8/14/25, then subsequently seen the following day 8/15 in quick care for syncopal episode, then subsequently in the ED that same day for seizures. She was admitted to the hospital and has been managed with neurology for epilepsy since then. Dad is unsure if incident was reported through the vaccine adverse events system at the time of the event, but would like to make sure it is.

Current illness

none

Medical history

none

Other medications

None

Allergies

Levetiracetam

Lab data

EEG ON 8/15/24: This is an abnormal routine awake and drowsy EEG due to: Recurrent generalized epileptiform discharges. Recurrent focal discharges over the frontal regions, with a broad field over the centro-temporal regions. Hyperventilation triggered two events lasting 7 to 10 seconds, without clear symptoms. CT of head 8/15/24: Mild left parietal scalp hematoma. No intracranial abnormality noted. US abdomen 8/18/24: Within normal limits. MRI Brain 9/25/24 & 10/6/24: Negative examination