These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up. Went to dentist. No  underlying issue with teeth.; These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up. Went to dentist. No underlying issue with teeth.; Third day developed bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache. These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up.; Third day developed bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache. These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up.; Third day developed bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache. These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up.; Third day developed bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache. These subsided and then fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up.; Soreness in arm/fatigue day of and day following the vaccination, although the pain was subsiding.; Soreness in arm/fatigue day of and day following the vaccination, although the pain was subsiding.; Have a severe sinus infection. I have never had any issues with my sinuses, or any infection.; This is a spontaneous report from a contactable consumer, the patient. A 61-year-old non-pregnant female patient received the second dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: ER8729) via an unspecified route of administration in the left arm on 02Apr2021 at 10:00 (at the age of 61-years-old) as a single dose for COVID-19 immunisation. Medical history included cholesterol high, hypothyroidism, osteopenia and depression. The patient previously had shellfish and experienced shellfish allergy. Concomitant medications taken within two weeks prior to vaccination included rosuvastatin (MANUFACTURER UNKNOWN), levothyroxine (MANUFACTURER UNKNOWN), vitamin d nos (VITAMIN D) and calcium (MANUFACTURER UNKNOWN) all from unknown date for unknown indication. The patient previously took the first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: EN6208) via an unspecified route of administration in the left arm on 12Mar2021 at 10:00 (at the age of 61-years-old) as a single dose for COVID-19 immunisation. Prior to the vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient had not been tested for COVID-19. The patient did not receive any other vaccines within four weeks prior to the vaccination. On 02Apr2021 at 20:00, the patient experienced soreness in arm/fatigue day of and day following the vaccination, although the pain was subsiding. Third day, on 04Apr2021 the patient developed bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache. These subsided and then on 05Apr2021, fourth day teeth on left side of mouth began hurting badly and face on left side started swelling up. The patient went to dentist. She had no underlying issue with teeth. On an unknown date in Apr2021, the patient had a severe sinus infection. The patient has never had any issues with her sinuses, or any infection. The events teeth on left side of mouth began hurting badly and face on left side started swelling up and sinus infection resulted in doctor or other healthcare professional office/clinic visit. Therapeutic measures were taken as a result of  teeth on left side of mouth began hurting badly and face on left side started swelling up and sinus infection and included treatment with 875 milligram of amoxicillin 2x/day. The clinical outcome of the events fatigue day of and day following the vaccination, bad pain in arm at site of injection, sore throat, fatigue, stomach ache and headache was resolved on an unknown date in Apr2021. The clinical outcome of the events soreness in arm, teeth on left side of mouth began hurting badly and face on left side started swelling up, had a severe sinus infection was resolving at the time of this report.   No follow-up attempts are needed. No further information is expected.