This is a spontaneous report from a non-contactable consumer, the patient. A 39-year-old female patient received the first dose of BNT162b2 (MANUFACTURER UNKNOWN COVID-19 Vaccine; Lot Number: UNKNOWN) via an unspecified route of administration on 30Oct2021 at 12:00 (at the age of 39-years-old) and the second dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: UNKNOWN) via an unspecified route of administration on 19Nov2021 at 12:00 (at the age of 39-years-old) as a single dose for COVID-19 immunisation. Medical history included kidney stones- chronic kidney infection in prior years, COVID-19 and known allergies to multiple antibiotics. Prior to vaccination, the patient was diagnosed with COVID-19. On an unknown date in Jul2021, the patient underwent SARS-CoV-2 test via nasal swab and the result was negative. On an unknown date in Aug2021, the patient underwent SARS-CoV-2 test via blood test (as reported) and the result was negative. The patient did not receive any concomitant medications within 2 weeks of vaccination. The patient did not receive any other vaccines within four weeks prior to the COVID vaccine. The patient reported that with both doses she had the same side effects and lasted about the same. On an unknown date in Oct2021, the patient experienced extreme hair loss, fevers, chills, bones/body aches, night sweats (profuse, her bed sheets had to be changed), headaches, nausea, loss of appetite, light cough and tiredness. She was very regular and knew because she kept track on an app; she usually have a two and half day period very light. She had been like this the whole life. The shot made her period early by a week in each instance and her period was a lot heavier and with pain after the first shot and lasted for 7 days. After the second shot, she got period early by a week (technically the shot triggered her period and it happened the next day after the shot) which was heavier and painful which was not common for her. The events resulted in doctor or other healthcare professional office/clinic visit (reported as doctor's virtual call). Therapeutic measures were taken as a result of the events and included treatment with over-the-counter medicines (OTCM) and full bed rest. She was on day 3 of second dose and finally started to feel better.  Since the vaccination, the patient had been tested for COVID-19. On an unknown date in Oct2021, the patient underwent SARS-CoV-2 test via nasal swab and the result was negative. The clinical outcome of the events extreme hair loss, fevers, chills, bones/body aches, night sweats (profuse, my bed sheets have to be changed), headaches, nausea, loss of appetite, light cough, tiredness, the shot made her period early by a week in each instance and her period was a lot heavier and with pain after the first shot and lasted for 7 days, after the second shot, she got period early by a week (technically the shot triggered her period and it happened the next day after the shot) which was heavier and painful which was not common for her were resolving at the time of this report.No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.