Report #2866697

Received Oct 17, 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: Female
Age: 38 yrs
State: NY
Recovered: Recovered
Vaccinated: Oct 2, 2025
Onset: Oct 7, 2025
Days to onset: 5
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (PFIZER-BIONTECH))	PFIZER\BIONTECH	1	na4452	RA

Symptoms (1)

Menstrual disorder

Symptom narrative

started menstruating; This is a spontaneous report received from a Consumer or other non HCP. A 38-year-old female patient (not pregnant) received BNT162b2 omicron (lp.8.1) (COMIRNATY (2025-2026 FORMULA)), on 02Oct2025 as dose 1, single (Lot number: na4452) at the age of 38 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Cancer" (unspecified if ongoing); "depression" (unspecified if ongoing); "chronic pain" (unspecified if ongoing). Concomitant medication(s) included: LEXAPRO. The patient also took other concomitant therapy. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete; unknown manufacturer), for COVID-19 immunisation. The following information was reported: MENSTRUAL DISORDER (non-serious) with onset 07Oct2025, outcome "recovered" (14Oct2025), described as "started menstruating". Therapeutic measures were not taken as a result of menstrual disorder. Additional information: Patient have no known allergies. Patient started menstruating. She do not have regular periods because of birth control, so this was abnormal and impactful to her life.

Medical history

Medical History/Concurrent Conditions: Cancer; Chronic pain; Depression

Other medications

LEXAPRO