Very dizzy; Room spinning; "dizziness 3 to 4 days after the shot which lasted a while then stopped/Felt a little dizzy getting out of bed; almost fell over getting out of bed, it didn't last very long/During the next several days, lost the balance; This is a spontaneous report from a contactable consumer (patient's wife). A 70-year-old male patient (reporter's husband) received second dose BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Batch/Lot Number: ER8734, expiry date not reported, age at the time of vaccination: 70-year-old), via an unspecified route of administration, in Arm Left on 24Jun2021 11:00 as dose 2, single for covid-19 immunisation. Medical history included Polymyalgia, AFib, blood pressure, diabetes. Concomitant medications included warfarin ongoing (blood thinner) taken for atrial fibrillation at a dosage of 5mg every day except Tuesday, which dose is 7.5mg and has been taking for 15-20 years; Losartan taken for blood pressure at a dosage of 25 mg once a day from an unspecified start date and ongoing; hydrochlorothiazide taken for blood pressure at a dosage of 25 mg once a day; ongoing; metoprolol taken for blood pressure at a dosage of 100 mg once a day; ongoing; amlodipine taken for blood pressure at a dosage of 5 mg once a day (ongoing); metformin taken for diabetes mellitus at a dosage of 500 mg twice a day (has been taking for probably about 6 years) and ongoing. Previously, the patient received first dose of BNT162B2 (Batch/Lot Number: ER8734), Arm left on 03Jun2021 11:00 as dose 1, single for covid-19 immunization, and years ago, the patient had a shingles shot and the couple of weeks later, he could not move or get out of bed and after weeks of testing, they said he had Polymyalgia, they do not know if it was actually from the vaccine. No other vaccines administered on same date of the Pfizer vaccine. The patient did not receive any prior Vaccinations within 4 weeks of Pfizer vaccination. On 25Jun2021, the next day, after the patient got the vaccine, he almost fell over getting out of bed and it did not last very long and during the next several days, lost the balance and the reporter had been reading all over the internet that people losing their balance and getting dizzy. On 29Jun2021, 3 to 4 days after the shot, the patient experienced dizziness, felt a little dizzy getting out of bed which lasted a little while and then stopped. The reporter wanted information if this is a side effect of the vaccine and how long they will last. And she "researched online and read a bunch of people talking about their experience with the vaccine and several people had the same experience as her husband's dizziness, almost like a vertigo effect". On 01Jul2021 14:00, the patient again felt very dizzy for a couple of hours and he felt like the room is spinning and thinks it was probably on and off with the dizziness. And when waking up to use the bathroom, he was so dizzy, he had to hold onto walls and It has stayed the same. The patient did not receive any corrective treatment. The patient did not visit emergency room or physician office for the adverse events. The outcome of events dizziness 3 to 4 days after the shot which lasted a while then stopped/felt a little dizzy getting out of bed was recovered on an unspecified date in 2021, very dizzy was not recovered and other events was unknown.  Information on batch/lot number has been requested. .