Was given the COVID-19 Vaccine booster dose and the Flu vaccine on the same day, one in each arm at the same time; she was falling all over because she felt really dizzy and has no coordination; she was falling all over because she felt really dizzy and has no coordination/She stated that she tried to get back up but fell. She also said she ran to the door and knocked herself out.; Feels like she is in la la land; Head feels woozy; Booster; she was falling all over because she felt really dizzy and has no coordination/dizziness; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 59 year-old female patient (unknown if pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 22Nov2021 (Lot number: FJ1620) at the age of 59 years as dose 3 (booster), single for covid-19 immunisation; influenza vaccine (FLU VACCINE VII), administered in arm (Batch/Lot number: unknown). Relevant medical history included: "Emphysema" (unspecified if ongoing); "Manic depression" (unspecified if ongoing), notes: at 19-20 years old. Her grandfather had it also with depression at 16 years old,. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1,LOT: EN6208,Route: Left shoulder/arm., Formulation: injection), administration date: 15Mar2021, when the patient was 58 years old, for COVID-19 immunization; Bnt162b2 (Dose 2,Route: left arm ,Formulation: injection , LOT: EP7533), administration date: 06Apr2021, when the patient was 58 years old, for COVID-19 immunization. The following information was reported: IMMUNISATION (non-serious) with onset 22Nov2021, outcome "unknown", described as "Booster"; PRODUCT USE ISSUE (non-serious), outcome "unknown", described as "Was given the COVID-19 Vaccine booster dose and the Flu vaccine on the same day, one in each arm at the same time"; COORDINATION ABNORMAL (non-serious) with onset 29Nov2021, outcome "unknown", described as "she was falling all over because she felt really dizzy and has no coordination"; FALL (non-serious) with onset 29Nov2021, outcome "unknown", described as "she was falling all over because she felt really dizzy and has no coordination/She stated that she tried to get back up but fell. She also said she ran to the door and knocked herself out."; FEELING ABNORMAL (non-serious) with onset 29Nov2021, outcome "unknown", described as "Feels like she is in la la land"; DIZZINESS (non-serious) with onset 20Nov2021, outcome "unknown", described as "she was falling all over because she felt really dizzy and has no coordination/dizziness"; DIZZINESS (non-serious) with onset 29Nov2021, outcome "unknown", described as "Head feels woozy". The events "was given the covid-19 vaccine booster dose and the flu vaccine on the same day, one in each arm at the same time", "she was falling all over because she felt really dizzy and has no coordination", "she was falling all over because she felt really dizzy and has no coordination/she stated that she tried to get back up but fell. she also said she ran to the door and knocked herself out.", "feels like she is in la la land", "she was falling all over because she felt really dizzy and has no coordination/dizziness" and "head feels woozy" were evaluated at the emergency room visit. The patient underwent the following laboratory tests and procedures: blood iron: normal; blood potassium: normal; computerised tomogram: normal, notes: CAT scan for head; electrocardiogram: normal; investigation: normal; red blood cell sedimentation rate: normal.  Additional information: Serious was reported as No, Other Products was reported as No. Patient was given medication at the hospital for Vertigo. Was prescribed Antivert 25mg tablet to take three times a day as needed. Reaction/event as reported by primary source: Ran into a door and knocked herself out.Date of start of reaction/event: 29Dec2021.Was given one Antivert tablet in the hospital.Patient had  not picked up her Antivert prescription from the pharmacy yet. Clarified had not fallen since she's been home. Emergency Room visit was Yes. Physician Office visit was  No.Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine(s) was None.AE(s) following prior vaccinations was None. Family Medical History Relevant to AE(s) was No. Reporter had no specific test results to provide.