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Report #2880832

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
48 yrs
State
CA
Recovered
Recovered
Vaccinated
Apr 16, 2021
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
COVID19COVID19 (COVID19 (PFIZER-BIONTECH))PFIZER\BIONTECH1——

Symptoms (2)

Abnormal uterine bleedingPain

Symptom narrative

Deep pain everywhere; abnormal uterine bleeding/weird period bleeding; This is a spontaneous report received from a Consumer or other non HCP. A 53-year-old female patient received BNT162b2 (COMIRNATY), on 16Apr2021 as dose 1, single (Batch/Lot number: unknown) at the age of 48 years for covid-19 immunisation. The patient's relevant medical history included: "b12 deficiency", start date: 1997 (unspecified if ongoing); "dizzy vertigo", start date: 1997 (unspecified if ongoing), notes: had this kind of dizzy vertigo is when she had a b12 deficiency years ago back in 1997. The patient took concomitant medications. The following information was reported: PAIN (non-serious), outcome "recovered", described as "Deep pain everywhere"; ABNORMAL UTERINE BLEEDING (non-serious), outcome "recovered", described as "abnormal uterine bleeding/weird period bleeding". Additional information: When she had the first dose of the covid vaccine, her side effect lasted 7 days, side effect clarified as deep pain everywhere and also had weird period bleeding. The information on the batch/lot number for BNT162b2 will be requested and submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202500252886 Same patient/suspect vaccine; different dose/AE;US-PFIZER INC-202600001394 Same patient/suspect vaccine; different dose/AE;

Medical history

Medical History/Concurrent Conditions: Vertigo (had this kind of dizzy vertigo is when she had a b12 deficiency years ago back in 1997); Vitamin B12 deficiency