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Report #2863124

Received Oct 4, 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
Age unknown
State
TX
Recovered
Unknown
Vaccinated
Aug 27, 2025
Onset
Aug 27, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
RV5ROTAVIRUS (ROTATEQ)MERCK & CO. INC.UNKZ007575OT

Symptoms (2)

UnderdoseVomiting

Symptom narrative

Caller states a patient "vomited" during the administration of ROTATEQ.; The patient did not receive a full dose on that day; This spontaneous report was received from a Nurse practitioner and refers to a 3 month-old male patient. The patient's medical history, concurrent conditions, drug reactions were not reported. No know drug allergies reported. Concomitant therapies included vitamin D. On 27-Aug-2025, the patient was vaccinated with a dose of Rotavirus Vaccine, Live, Oral, Pentavalent (ROTATEQ), (lot #Z007575, expiration date: 24-Apr-2026) administered orally (strength not provided), as Prophylaxis. The reporter stated that the patient vomited during the administration of the vaccine; and that multiple attempts were made with the same dose and the patient kept vomiting; therefore, he did not receive a full dose, and it was unknown how much was actually received (accidental underdose). No other symptoms were reported since the administration. At the reporting time, the outcome of vomiting was unknown. The causal relationship between the event of vomiting and Rotavirus Vaccine, Live, Oral, Pentavalent (ROTATEQ) was not reported.

Other medications

Vitamin D