I couldn't stand up and vomited at the site; I couldn't stand up and vomited at the site; I was ill for 48 hours; Dizziness; After 12 hours of receiving shot developed chills; headache; followed by fever; arm pain at injection; nearly fainted from the room spinning horribly; nearly fainted from the room spinning horribly/had episodes of evening and morning vertigo for about a week; I became Nauseous; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 65 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 18Oct2021 10:30 (Lot number: FF2593) at the age of 65 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "high blood pressure" (ongoing); "Cervical neck spinal confusion", start date: 25May2021 (ongoing), notes: No surgery performs still healing; "fall", start date: 25May2021 (unspecified if ongoing). Concomitant medication(s) included: INFLUENZA, administration date 01Oct2021; HYDROCHLOROTHIAZIDE taken for hypertension (ongoing). Vaccination history included: Bnt162b2 (Dose Number: 2, Batch/Lot No: EN6198, Location of injection: Arm Left, Route of administration: Intramuscular, Vaccine Administration Time: 05:00 PM), administration date: 04Mar2021, when the patient was 65 years old, for Covid-19 immunization; Bnt162b2 (Dose Number: 1, Batch/Lot No: EN6201, Location of injection: Arm Left, Route of administration: Intramuscular, Vaccine Administration Time: 04:30 PM), administration date: 11Feb2021, when the patient was 65 years old, for Covid-19 immunization. The following information was reported: CHILLS (non-serious) with onset 18Oct2021 22:00, outcome "recovered" (Oct2021), described as "After 12 hours of receiving shot developed chills"; HEADACHE (non-serious) with onset 18Oct2021 22:00, outcome "recovered" (Oct2021), described as "headache"; PYREXIA (non-serious) with onset 18Oct2021 22:00, outcome "recovered" (2021), described as "followed by fever"; VACCINATION SITE PAIN (non-serious) with onset 18Oct2021 22:00, outcome "recovered" (2021), described as "arm pain at injection"; PRESYNCOPE (non-serious) with onset Oct2021, outcome "recovered with sequelae", described as "nearly fainted from the room spinning horribly"; VERTIGO (non-serious) with onset Oct2021, outcome "recovered" (2021), described as "nearly fainted from the room spinning horribly/had episodes of evening and morning vertigo for about a week"; DYSSTASIA (non-serious), VOMITING (non-serious), outcome "recovered with sequelae" and all described as "I couldn't stand up and vomited at the site"; ILLNESS (non-serious), outcome "recovered with sequelae", described as "I was ill for 48 hours"; DIZZINESS (non-serious), outcome "recovering", described as "Dizziness"; NAUSEA (non-serious) with onset Oct2021, outcome "unknown", described as "I became Nauseous". Therapeutic measures were not taken as a result of chills, headache, pyrexia, vaccination site pain, presyncope, vertigo, dysstasia, vomiting, illness, dizziness.  Additional information: Facility type vaccine was Hospital. After 12 hours of receiving shot developed chills and headache which was then followed by fever and arm pain at injection. Went to bed and hours later attempted to get up and nearly fainted from the room spinning horribly. She couldn't stand up and vomited at the site. She was ill for 48 hours with these symptoms and had episodes of evening and morning vertigo for about a week. Dizziness has improved over the days and at day 8 after injection, it's almost gone, but not completely. There was no covid prior vaccination. There was no covid tested post vaccination. Within 12 hours of receiving vaccine develops chills, fever, headache, arm pain at injection shortly after (3-4 hrs) attempts to get our of bed plus could not stand up due to room spinning patient became nauseous and vomited. The chills, fever, headache, arm pain went away after 48 hours. The vertigo remained for 23 days it was now completely gone. Patient did not had vertigo before receiving vaccine at all.  Follow-up attempts are completed. No further information is expected.