pressure on the left side of her chest; chest pain; sore arm in that area where she had the vaccine; 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 66 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 30Sep2021 11:45 (Lot number: FF258) at the age of 66 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Root canal", start date: 13Sep2021, stop date: 13Sep2021, notes: Event verbatim: had the root canal. Concomitant medication(s) included: UNITHROID; CLINDAMYCIN HCL, start date: 30Aug2021; METHYLPREDNISOLONE, start date: 30Aug2021; HYDROCODONE/ACETAMINOPHEN, start date: 30Aug2021; IBUPROFEN, start date: 30Aug2021. Vaccination history included: Bnt162b2 (1st dose, Lot Number: EN6202), administration date: 26Feb2021, when the patient was 65 years old, for COVID-19 immunization, reaction(s): "Sore arm"; Bnt162b2 (2nd dose, Lot Number: ER8730), administration date: 26Mar2021, when the patient was 65 years old, for COVID-19 immunization, reaction(s): "had an abscessed tooth", "Sore arm"; Pneumonia vaccine (The caller had both doses of Shingrex and the Pneumonia vaccine at the beginning of the year but didn't have any reactions to them.), administration date: 2021, for Immunization, reaction(s): "didn't have any reactions to them."; Shingrex (The caller had both doses of Shingrex and the Pneumonia vaccine at the beginning of the year but didn't have any reactions to them.), administration date: 2021, for Immunization, reaction(s): "didn't have any reactions to them.".  The following information was reported: CHEST PAIN (non-serious) with onset 01Oct2021, outcome "not recovered", described as "chest pain"; CHEST DISCOMFORT (non-serious) with onset 03Oct2021, outcome "unknown", described as "pressure on the left side of her chest"; VACCINATION SITE PAIN (non-serious) with onset 30Sep2021, outcome "recovered" (02Oct2021), described as "sore arm in that area where she had the vaccine".  Additional information: On Friday, 01Oct started feeling pressure in her chest and like a poking feeling, have had that Saturday and Sunday, feels like it has gotten better, but I still have it occurring. Main question, shot last Thursday, effects didn't start until Friday, yesterday and today still having this. Got info from (Withheld), inflammation of the heart muscle, or fast beating heart, after reading this, I've become concerned. The Patient had her third shot on Thursday, 30Sep2021, and she didn't have any side effects except that evening she had a sore arm in that area where she had the vaccine. The caller had a sore arm with the first and second shot. 01Oct2021 the caller started having some pain in the left chest area. Saturday morning the caller's arm was better. The chest pain has been consistent and is better today. The caller's chest pain was consistent Saturday and Sunday. Sunday morning the caller could feel a pressure on the left side of her chest. This morning the caller's chest feels better but she hasn't been that active. The patient had an abscessed tooth on the first week in Sep2021 and had to take antibiotics after that. The last visit for the patient abscessed tooth was 13Sep2021 and two weeks prior to that the patient was put on 4 different things. The patient was given Clindamycin HCL 300 mg capsule, ibuprofen, Methylprednisolone, and Hydrocodone-acetaminophen. The patient had the root canal on 13Sep2021 but she was put on these medications two weeks prior to that procedure. The caller began taking these products on 30Aug2021. No prior Vaccinations (within 4 weeks). The patient had both doses of Shingrex and the Pneumonia vaccine at the beginning of the year but didn't have any reactions to them.  No follow-up attempts are possible. No further information is expected.