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Report #2859460

Received Sep 17, 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
Unknown
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPABHEP A + HEP B (TWINRIX)GLAXOSMITHKLINE BIOLOGICALSUNKUNK—

Symptoms (2)

Incorrect dose administeredProduct use in unapproved indication

Symptom narrative

reported administering twinrix at double the recommended dose as therapeutic vaccination in a CHB patient; reported administering twinrix at double the recommended dose as therapeutic vaccination in a CHB patient; This non-serious case was reported by a physician via sales rep and described the occurrence of overdose in a patient who received HAB (Twinrix) for prophylaxis. Concurrent medical conditions included chronic hepatitis b. On an unknown date, the patient received Twinrix. On an unknown date, an unknown time after receiving Twinrix, the patient experienced overdose (Verbatim: reported administering twinrix at double the recommended dose as therapeutic vaccination in a CHB patient) and drug use for unapproved indication (Verbatim: reported administering twinrix at double the recommended dose as therapeutic vaccination in a CHB patient). The outcome of the overdose and drug use for unapproved indication were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences.

Current illness

Chronic hepatitis B