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Report #2877336

Received Dec 11, 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
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HPV9HPV (GARDASIL 9)MERCK & CO. INC.UNK——

Symptoms (1)

Syncope

Symptom narrative

The patient fainted after GARDASIL 9 administration.; This Spontaneous report was received from Merck employee and referred to a male patient of unknown age. The patient's medical history included Fainting. The patient's previous drug reactions or allergies, and concomitant medications were not reported. On an unknown date, patient was vaccinated with GARDASIL 9 at a dose of 0.50 mL for prophylaxis (strength, route of administration, anatomical location, lot number, and expiration date were not reported). On an unspecified date (reported as after GARDASIL 9 administration), the patient fainted. AT the time of the report outcome fainted was not provided. The causality assessment between the event fainted to Human Papillomavirus 9-valent Vaccine, Recombinant Suspension for injection was not reported. Upon internal review, the event fainted was considered to be other medically important condition.

Medical history

Medical History/Concurrent Conditions: Fainting