I don't know why I don't know if I fainted; Nauseous; Vomited; I had fever temperature; falling to the ground; hit my head on the floor; my stomach was upset; Headache; Patient received 5th dose of Pfizer; Patient received 5th dose of Pfizer; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 61-year-old female patient received BNT162b2 (BNT162B2), on 08Sep2022 as dose 5 (booster), single (Lot number: GH9694) at the age of 61 years for covid-19 immunisation. The patient's relevant medical history included: "Asthma" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: BNT162b2 (Dose 1, Single, Anatomical site of administration: arm.), administration date: 13Feb2021, when the patient was 60-year-old, for COVID-19 immunization; BNT162b2 (Dose 2, Single, Anatomical site of administration: arm.), administration date: 06Mar2021, when the patient was 60-year-old, for COVID-19 immunization; BNT162b2 (Dose 3, Single, Anatomical site of administration: arm.), administration date: 03Sep2021, when the patient was 60-year-old, for COVID-19 immunization; BNT162b2 (Dose 4, Single, Anatomical site of administration: arm.), administration date: 04Mar2022, when the patient was 61-year-old, for COVID-19 immunization. The following information was reported: OFF LABEL USE (medically significant), IMMUNISATION (medically significant) all with onset 08Sep2022, outcome "unknown" and all described as "Patient received 5th dose of Pfizer"; SYNCOPE (medically significant), outcome "unknown", described as "I don't know why I don't know if I fainted"; NAUSEA (non-serious), outcome "unknown", described as "Nauseous"; VOMITING (non-serious), outcome "unknown", described as "Vomited"; PYREXIA (non-serious), outcome "unknown", described as "I had fever temperature"; FALL (non-serious), outcome "unknown", described as "falling to the ground"; HEAD INJURY (non-serious), outcome "unknown", described as "hit my head on the floor"; ABDOMINAL DISCOMFORT (non-serious), outcome "unknown", described as "my stomach was upset"; HEADACHE (non-serious), outcome "unknown". The patient underwent the following laboratory tests and procedures: Body temperature: Fever. Therapeutic measures were taken as a result of pyrexia, headache.  Clinical course: The patient reported that she had Pfizer COVID Vaccine the day of reporting morning. She reported she was not going to complaint or anything, she was just calling to report what happen to her. She reported It was about fourteen hours after the vaccine she had it in the morning. She woke up about 3 o'clock that morning She felt nauseous, vomited a little bit. She had fever temperature and she ended up falling to the ground and she did not know if she fainted or if her leg just gave away. She had got up because She did not feel good. She got up to get some water from the kitchen and she ended up somehow on the floor of the kitchen hit her head on the floor, so after that when her husband came out he heard me and she vomited at bed and her husband gave her some washed cloth to reduce the temperature and then after a little while she felt better but she could not take anything in terms of Tylenol because her stomach was upset; did not want to take anything. So, she had been eventually later that morning about 7 or 8 o'clock she had been eventually did take Tylenol which helped with fever and the headache. She did not know if the headache was because of fever of she hit her head on the floor. She was not quite sure why she had headache. She was feeling better now not 100%but that did not work (Further clarification unknown). She further reported about Pfizer vaccine she reported she did not know which was it. It said on the vaccination card it say Pfizer and then there is number GH9694 but she actually don't know which one I got (Further clarification Unknown). On the vaccination card it says she did not know if that was what you are looking for but it's got the date of vaccination which was yesterday 08Sep and it's got Pfizer GH9694 (Captured as provided) and then it says Pharmacy that was the only information I have on the card they gave me. She also reported that she did not have any other medical conditions. She had Asthma (Further clarification unknown) but that was under control but currently she was not taking any medication for it. That's about all. No other medications.