Extreme pain; Left shoulder, neck, scapula muscle cramping and extreme pain; Left shoulder, neck, scapula muscle cramping and extreme pain; Left shoulder, neck, scapula muscle cramping and extreme pain; Could not drive; Could not drive or use computer; Left shoulder, neck, scapula muscle cramping and extreme pain; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP).  A 73 year-old male patient received bnt162b2 (BNT162B2, solution for injection), administered in arm left, administration date 02Jan2022 (Lot number: 33036BD) at the age of 73 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Lot/Batch number: EL9269, Route of administration: Intramuscular, Anatomical location: Left arm, Dose 1, single), administration date: 05Feb2021, when the patient was 72 years old, for COVID-19 immunization, reaction(s): "left arm soreness after 1st and 2nd dose"; Bnt162b2 (Lot/Batch number: EN6202, Route of administration: Intramuscular, Anatomical location: Left arm, Dose 2, single), administration date: 26Feb2021, when the patient was 72 years old, for COVID-19 immunization, reaction(s): "left arm soreness after 1st and 2nd dose". The following information was reported: ARTHRALGIA (non-serious), NECK PAIN (non-serious), MUSCULOSKELETAL PAIN (non-serious), MUSCLE SPASMS (non-serious) all with onset Jan2022, outcome "recovered" (2022) and all described as "Left shoulder, neck, scapula muscle cramping and extreme pain"; PAIN (non-serious) with onset 04Jan2022, outcome "recovered" (2022), described as "Extreme pain"; IMPAIRED DRIVING ABILITY (non-serious) with onset Jan2022, outcome "recovered" (2022), described as "Could not drive"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset Jan2022, outcome "recovered" (2022), described as "Could not drive or use computer". The events "left shoulder, neck, scapula muscle cramping and extreme pain", "extreme pain", "left shoulder, neck, scapula muscle cramping and extreme pain", "left shoulder, neck, scapula muscle cramping and extreme pain", "left shoulder, neck, scapula muscle cramping and extreme pain", "could not drive" and "could not drive or use computer" were evaluated at the physician office visit. Therapeutic measures were taken as a result of arthralgia, pain, neck pain, musculoskeletal pain, muscle spasms, impaired driving ability, loss of personal independence in daily activities.  Additional Information : It was unspecified Pfizer COVID vaccine a Pfizer product. Pfizer COVID vaccine manufacturer was unspecified. Received call from consumer regarding the Pfizer COVID Vaccine Booster. She was calling on behalf of her husband, who were at the doctor's office. She tried to report on CDC. She talked to Pfizer before about another drug and Pfizer was very informative and upfront. She does not have a reference number for previous report. They both got all of their booster doses at the same time 12 days ago. While reporting for her husband, she mentioned that his doctor has the same problem from his vaccination and his booster. She does not know enough to complete report for him other than he is dealing with the same thing. This report was to capture information for her husband's doctor. She did not specify what the doctor's exact symptoms were. No further details provided on which symptoms her husband's doctor had. Husband's symptoms that she provided are listed as follows for comparison: The day after the booster shot, patient began to have pain in left side, which patient never had on that side before. It was in his neck and went down to his scapula. Then, his armpit was tender and very lumpy down his rib cage, so she looked it up and there had been reports of lymphadenopathy. 31Dec2021 was the day he received booster shot. They had to drive quite a distance to come back to (state name) and knew patient struggled the entire way. She first stated it was persisting. She would say it was a tiny bit better, patient can find places where he sits or moves where he can stop it, but it was a stabbing pain. It was hard to describe. It was a muscle that tightens in his neck and she can feel it and it goes down the scapula. Then patient has a feeling of congestion in the front. patient was swollen on left side below clavicle. She did not feel armpit because patient got worse after driving. She tried to probe around to try and help relieve him. That was by 03Jan2022. Lumpy rib cage improved quite a bit. She used it as a massage center for him and could not get into a doctor right away. It seemed as though massaging tending to help them release. On 4Jan2022, he said that was bothering him. That was the least of the things. The stabbing pain is in his shoulder and connection where trapezius comes across that spot in his shoulder. It is not painful, just kind of a presence. patient also had left arm soreness after 1st and 2nd dose. patient also felt a little funny on Saturday, after getting his booster. After Booster shot (33036BD) -Left shoulder, neck, scapula muscle cramping and extreme pain. Tylenol took the edge off but did not allow for normal function (Could not drive or use computer) Dr. said had to joint wait 3 to 6 weeks for it to diminish. No medication could be prescribed. -Went to physical therapy, which helped relieve pain. Took 3 weeks to turn the corner.  Follow-up attempts completed. No further information expected.