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Report #2880830

Received Jan 6, 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
Age unknown
State
MA
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
COVID19COVID19 (COVID19 (MODERNA))MODERNAUNK—IM

Symptoms (1)

Vaccination site haematoma

Symptom narrative

large hematoma on their arm where they received the shot; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION SITE HAEMATOMA (large hematoma on their arm where they received the shot) in an adult female patient who received SPIKEVAX NOS (SPIKEVAX NOS) for COVID-19 prophylaxis. No Medical History information was reported. On an unknown date, the patient received dose of SPIKEVAX NOS (SPIKEVAX NOS) (Intramuscular use) 1 dosage form. On an unknown date, the patient experienced VACCINATION SITE HAEMATOMA (large hematoma on their arm where they received the shot). At the time of the report, VACCINATION SITE HAEMATOMA (large hematoma on their arm where they received the shot) outcome was unknown. The action taken with SPIKEVAX NOS (SPIKEVAX NOS) (Intramuscular use) was unknown. No concomitant medications were reported. It was reported that, the patient noted a large hematoma on their arm where they received the shot. It was unknown if the patient experienced any additional symptoms/events. No treatment information was provided.