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Report #2880424

Received Jan 2, 2026

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
1 yrs
State
IL
Recovered
Unknown
Vaccinated
Dec 31, 2025
Onset
Dec 31, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
DTAPDTAP (INFANRIX)GLAXOSMITHKLINE BIOLOGICALSUNKM4ZE7—
DTAPHEPBIPDTAP + HEPB + IPV (PEDIARIX)GLAXOSMITHKLINE BIOLOGICALSUNK2TP34—

Symptoms (1)

Incorrect dose administered

Symptom narrative

Pediarix and Infanrix co-administration in a 15-month-old patient; This non-serious case was reported by a consumer via call center representative and described the occurrence of overdose in a 15-month-old female patient who received DTPa-HBV-IPV (Pediarix) (batch number 2TP34, expiry date 19-SEP-2027) for prophylaxis. Co-suspect products included DTPa (Infanrix) (batch number M4ZE7, expiry date 13-NOV-2027) for prophylaxis. On 31-DEC-2025, the patient received Pediarix and Infanrix. On 31-DEC-2025, an unknown time after receiving Pediarix and Infanrix, the patient experienced overdose (Verbatim: Pediarix and Infanrix co-administration in a 15-month-old patient). The outcome of the overdose was not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 31-DEC-2025 The reporter wanted to get safety data on the co-administration of Pediarix and Infanrix in a 15-month-old patient.