asking it is possible to get lingering joint and muscle pain from a booster shot of the Pfizer Covid 19 vaccine; asking it is possible to get lingering joint and muscle pain from a booster shot of the Pfizer Covid 19 vaccine; arthritis; fever; felt tired/She is all wore out; where the shot went in it was all raised up, swollen arm; She cant hear good; It's hard for her to get up, has to push herself up with her shoulders and her hip its aggravating.; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  An 86-year-old female patient received BNT162b2 (BNT162B2), on 27Jul2022 as dose 4 (booster), single (Lot number: 026561, Expiration Date: Sep2022) at the age of 86 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Congestive heart failure" (unspecified if ongoing), notes: Congestive heart failure diag when she was 79 yrs old while in the hosp and ran a bunch of tests. The patient's family history included: "Arthritis" (unspecified if ongoing), notes: Arthritis diagnosed when she was 25 years old, it was inherited from her father. Concomitant medication(s) included: WARFARIN taken for cardiac failure congestive (ongoing). Vaccination history included: BNT162b2 (DOSE 1, SINGLE, Lot: EL0142, Expiration: unknown), administration date: 30Jan2021, when the patient was 85-year-old, for Covid-19 immunization; BNT162b2 (DOSE 2, SINGLE, Lot: EL9261 Expiration: unknown), administration date: 20Feb2021, when the patient was 85-year-old, for Covid-19 immunization; BNT162b2 (DOSE 3 (BOOSTER), SINGLE, Lot: FF2589, Expiration: unknown), administration date: 05Oct2021, when the patient was 85-year-old, for Covid-19 immunization; Flu (Had a flu shot last fall.), for Immunization. The following information was reported: ARTHRALGIA (non-serious), MYALGIA (non-serious), outcome "not recovered" and all described as "asking it is possible to get lingering joint and muscle pain from a booster shot of the Pfizer Covid 19 vaccine"; ARTHRITIS (non-serious), outcome "unknown"; PYREXIA (non-serious), outcome "recovered" (2022), described as "fever"; FATIGUE (non-serious), outcome "recovered" (2022), described as "felt tired/She is all wore out"; VACCINATION SITE SWELLING (non-serious), outcome "recovered" (2022), described as "where the shot went in it was all raised up, swollen arm"; HYPOACUSIS (non-serious), outcome "unknown", described as "She cant hear good"; DYSSTASIA (non-serious), outcome "unknown", described as "It's hard for her to get up, has to push herself up with her shoulders and her hip its aggravating.". Therapeutic measures were taken as a result of arthralgia, myalgia, arthritis, pyrexia, fatigue, vaccination site swelling.  Additional Information: Reporter said that the patient asked if lingering joint and muscle pain from a booster shot of the Pfizer Covid 19 vaccine. She also asked if the vaccine possibly made her arthritis worse. It was also reported that She was taking Warfarin for a bunch of years. She was currently taking 2.5 every day but was cut down because her blood was too thin. She was taking Warfarin for congestive heart failure, heart goes in and out of rhythm. She also said that She cannot hear good. She got her second booster for covid 19 shot on 27Jul2022. She had arthritis and she did not know if it was connected or what. Clarified the joint pain in the muscles and joints and all was just bad. It was worse now and did not know if it was because she had arthritis or from the shot. She had several things that happened but the joint pain had stayed with her. She said that her Weight Varied since she has heart trouble, from 119-122 pounds. She also said that It was hard for her to get up and had to push herself up with her shoulders and her hip, and it was aggravating. With the other shots she did not have any problems at all. With the second booster, she had a fever, where the shot went in it was great big raised up where she received the shot. When attempting to clarify timelines of events, She reported she felt tired at first. Then where the shot went in it was all raised up, swollen. She was all wore out. When attempting to clarify outcome, reported the fever, tired, and swollen raised arm had recovered not long after. The only problem persisting was the muscle and joint pain. She did not know if it stirred up her arthritis or caused a flare up. It was bothering her now. She was guessing the muscle and joint pain started a couple of weeks later. She was taking Tylenol every day. She had a page of medications that she was on. No, Vaccines Administered on Same Date of the Pfizer Suspect. She did for the first booster. Had a flu shot last fall.   Follow-up attempts are completed. No further information is expected.