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Report #2870788

Received Nov 5, 2025

Office 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
6 yrs
State
MI
Recovered
Unknown
Vaccinated
Nov 3, 2025
Onset
Nov 4, 2025
Days to onset
1
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
FLU3INFLUENZA (SEASONAL) (FLUZONE)SANOFI PASTEURN/AUT8852MAIM / LL

Symptoms (3)

Injection site discomfortInjection site painInjection site swelling

Symptom narrative

left thigh and knee swelling after the flu vaccine in the left thigh 2 days ago. He had a similar reaction last year though also had a fever then. No fevers this time. The swelling and discomfort are improved slightly today. The leg is primarily tender though it also is uncomfortable to walk when he first gets up. Advised 3 days of prednisone to help with reaction.

Current illness

none

Medical history

none

Other medications

none

Allergies

none known

Lab data

none

Prior vaccinations

ight leg from his knee to hip is swollen and red. Also has a fever. He was 5 years old. Fluzone was given on 12/18/2024 and was