heat flash yesterday/hot flash; sweat in her sleep after she had the Pfizer Covid vaccine.; had a little bit of chills; heat flash yesterday and got real hot; bothering her hormones; starts coughing and when someone walks up to her with seasoning salt or cinnamon; she has not started her period and almost a month has passed; her eyes were watering; her period is always irregular; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 23 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 06Aug2021 (Lot number: EN0191) at the age of 23 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "high blood pressure" (ongoing), notes: Verbatim:Patient's Medical History: high blood pressure diagnosed when she was age 21. Family history included: "high blood pressure" (unspecified if ongoing), notes: Family Medical History Relevant to AE(s): high blood pressure in her family. There were no concomitant medications. Vaccination history included: Bnt162b2 (1st dose of the Pfizer COVID19 vaccine on 26Jun2021 with lot EW0168), administration date: 26Jun2021, when the patient was 23 years old, for COVID-19 immunization. The following information was reported: HORMONE LEVEL ABNORMAL (non-serious) with onset 2021, outcome "unknown", described as "bothering her hormones"; COUGH (non-serious) with onset 2021, outcome "not recovered", described as "starts coughing and when someone walks up to her with seasoning salt or cinnamon"; MENSTRUATION DELAYED (non-serious) with onset 2021, outcome "unknown", described as "she has not started her period and almost a month has passed"; LACRIMATION INCREASED (non-serious) with onset 2021, outcome "unknown", described as "her eyes were watering"; MENSTRUATION IRREGULAR (non-serious) with onset 2021, outcome "unknown", described as "her period is always irregular"; HOT FLUSH (non-serious) with onset 30Sep2021, outcome "unknown", described as "heat flash yesterday/hot flash"; HYPERHIDROSIS (non-serious) with onset 2021, outcome "unknown", described as "sweat in her sleep after she had the Pfizer Covid vaccine."; CHILLS (non-serious) with onset 2021, outcome "unknown", described as "had a little bit of chills"; FEELING HOT (non-serious) with onset 2021, outcome "unknown", described as "heat flash yesterday and got real hot".  Additional Information: Patient is diagnosed at age 21; does not take medication for it and it does not bother her. States for some reason and this was the 3rd time this occurred and it happened today and when people come around her and they know she has had the Pfizer COVID Vaccine and has her mask and wears her mask because she knows she can still carry it regarding covid. when those people leave she is fine; states when she gets around someone she starts coughing and it is not everybody and it is rare but happens and this was the 3rd time it happened and she has been vaccinated for almost 6 months. Patient never missed it but it has been a whole month so with her period she would say she can't remember when it started and can't remember her last period but would say her brain is everywhere and states the issue with her period began 15Aug2021 or 16Aug2021.Caller states her cough is the same and began right after her vaccine and she was not sick or had mucous or anything but her symptoms literally were coughing when someone walks by and if it is one or two or a group of people and it is really random and she just got a new job and is not sick and is vaccinated. Time the Vaccination Was Given: around 9:00 or 10:00am. states her patient card has no expiry dates or NDC numbers written on it and also has CNS6124 on it.