Muscle and joint reaction in left arm that injection of the booster shot of the Pfizer Covid Vaccine was administered; Muscle and joint reaction in left arm that injection of the booster shot of the Pfizer Covid Vaccine was administered; This event was extremely painful; event as affecting her entire left arm; It was muscle and joint and it hurt.; It was muscle and joint and it hurt.; worst carpel tunnel; worst tennis elbow; Had a reaction to the booster; reporter seemed to sneeze and then mentioned it was stuffy in there; her height has changed; reporter seemed to sneeze and then mentioned it was stuffy in there; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) for a Pfizer sponsored program. The reporter is the patient.  A 69 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 03Dec2021 15:00 (Lot number: FH8028) at the age of 69 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. Concomitant medication(s) included: PRISTIQ (ongoing); TYLENOL 8 HOUR; ZYRTEC [CETIRIZINE HYDROCHLORIDE] (ongoing); ZOLPIDEM (ongoing); VITAMINS NOS (ongoing). Vaccination history included: Bnt162b2 (First dose,, to left upper arm), administration date: 16Feb2021, when the patient was 68 years old, for COVID-19 Immunization, reaction(s): "No reactions with the first 2 doses of Pfizer Covid Vaccine"; Bnt162b2 (Second dose,, Lot: EN6204,, to left upper arm), administration date: 09Mar2021, when the patient was 68 years old, for COVID-19 Immunization, reaction(s): "No reactions with the first 2 doses of Pfizer Covid Vaccine". The following information was reported: IMMUNISATION (non-serious) with onset 03Dec2021 15:00, outcome "unknown", described as "Had a reaction to the booster"; MUSCLE DISORDER (non-serious), ARTHROPATHY (non-serious) all with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00) and all described as "Muscle and joint reaction in left arm that injection of the booster shot of the Pfizer Covid Vaccine was administered"; PAIN (non-serious) with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00), described as "This event was extremely painful"; SNEEZING (non-serious), NASAL CONGESTION (non-serious) all with onset Dec2021, outcome "unknown" and all described as "reporter seemed to sneeze and then mentioned it was stuffy in there"; LIMB DISCOMFORT (non-serious) with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00), described as "event as affecting her entire left arm"; ARTHRALGIA (non-serious), MYALGIA (non-serious) all with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00) and all described as "It was muscle and joint and it hurt."; CARPAL TUNNEL SYNDROME (non-serious) with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00), described as "worst carpel tunnel"; EPICONDYLITIS (non-serious) with onset 04Dec2021 15:00, outcome "recovered" (06Dec2021 15:00), described as "worst tennis elbow"; BODY HEIGHT ABNORMAL (non-serious) with onset Dec2021, outcome "unknown", described as "her height has changed". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of muscle disorder, arthropathy, pain, limb discomfort, arthralgia, myalgia. Therapeutic measures were not taken as a result of sneezing, nasal congestion.  Description of Product Complaint:  Consumer was patient who reported adverse event with Pfizer Covid Vaccine. During that report provided details on concomitant product: Pristiq: When Lot/NDC/Expiry queried caller mentioned she could find bottle quickly because bottle has an odd shape; mentioned she dropped the bottle and the phone during report; She mentioned holding the bottle up to the light to look for Lot/NDC/Expiry information. She was unable to locate  number on the Pfizer bottle of Pristiq despite numerous attempts to assist and probe to look at different areas on the label, and caller verified that there was no pharmacy sticker over the manufacturer label on the bottle; she could not see an  number anywhere on the bottle or label, but mentioned that may be just her eyesight; she was able to provide the Pristiq Lot/Expiry: Lot: ER9476, Expiry: 31Aug2023, 100mg strength pills, 90 count bottle for 3 month supply.  Additional information: Patient mentioned Pfizer makes good shots for the COVID. Patient stated she had a reaction to the booster; it only lasted a couple of days, but then she was fine. Patient had no reactions with the first 2 doses of Pfizer Covid Vaccine. Patient clarified that after the booster shot of the Pfizer Covid Vaccine was administered, she had muscle and joint reaction in left arm that injection of the booster shot of the Pfizer Covid Vaccine was administered. Onset time approximately 15:00, almost exactly 24 hours after administration of the booster shot of the Pfizer Covid Vaccine. She further described event as affecting her entire left arm, not just the injection site. It was muscle and joint and it hurt. It may just be a strong immune reaction on her part which if so, makes her happy. Patient got over it and she had no other reactions to the earlier shots. This event was extremely painful, but she took Skelaxin to treat event and event went away. Caller described her symptoms of this event to her primary doctor like the worst tennis elbow and worst carpel tunnel and everything in between that hurt like crazy. She recovered completely from event by about 15:00 on 06Dec2021, almost exactly 48 hours after event onset.  No follow-up attempts are possible. No further information is expected.