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Report #2859169

Received Sep 16, 2025

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
21 yrs
State
RI
Recovered
Recovered
Vaccinated
Sep 16, 2025
Onset
Sep 16, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (HEPLISAV-B)DYNAVAX TECHNOLOGIES CORPORATION1948203IM / RA

Symptoms (5)

Immediate post-injection reactionInjection site rashInjection site urticariaRashUrticaria

Symptom narrative

Immediately following administration of Heplisav-B vaccine in R deltoid at 2:45pm, a rash followed by hives encapsulated not only the vaccine sight, but also spread over both shoulders and to the other arm. A full set of vitals were taken with nothing abnormal to report, along with auscultation of heart and lungs, again with nothing abnormal to report. No other signs and symptoms were reported or observed. No difficulty breathing, stridor or wheezing, itchiness or scratchiness of the throat, or any other constitutional symptoms. 50mg of Benadryl were given orally after observing the patient for 15 minutes with no further progression of symptoms. Member was cleared by a medical provider once Benadryl took effect approximately 45 minutes later and regression of both hives and redness were observed. Member discharged with strict instructions of ER precautions if symptoms were to return or worsen.

Current illness

None to report

Medical history

N/A

Other medications

N/A

Allergies

NKA/NKDA

Lab data

N/A