tooth and jaw started hurting; tooth and jaw started hurting; tired; flu like symptoms; achey; molar and gum around molar hurting; jaw is swollen, cannot bite down; molar and gum around molar hurting; jaw is swollen, cannot bite down; having difficulty opening her mouth; nauseous; This is a spontaneous report from a contactable consumer or other non hcp. A 73-year-old female patient received bnt162b2 (BNT162B2 PFIZER-BIONTECH COVID-19 mRNA VACCINE, solution for injection, Batch/Lot number: EN6207 and Expiration date: UNKNOWN), via an unspecified route of administration, in left arm on 17Mar2021 at 09:00(at the age of 73-years-old) as 2nd dose, single for COVID-19 immunisation. The medical history and concomitant medications of the patient were not reported. The patient previously received first dose of BNT162B2 (Lot number: EN6201) and she had zero side effects with the first one.The patient experienced tooth and jaw started hurting, tired, flu like symptoms, achey, molar and gum around molar hurting, jaw is swollen, cannot bite down on 17Mar2021, and having difficulty opening her mouth, nauseous on unspecified date in Mar2021. The reporter stated that she received her second Pfizer Covid vaccine dose on 17Mar2021 at 9 AM on her left arm. At 4 pm the same day, she started experiencing pain in her right jaw. Her back molar area, jaw, and gum have been very painful to the touch and swollen. She stated she felt difficulty opening her mouth and was nauseous. She was concerned that the vaccine administrator did not aspirate prior to the IM injection and was concerned that it might have contributed to her side effects. She wanted more information on if this particular side effect has been reported. She stated she had zero side effects with the first one, stated she expected to have flu like symptoms after this second one, stated by previous night the flu symptoms had dissipated but jaw was worse and swollen, jaw was killing her, cannot open her mouth wide, stated the pain had stayed the same but it is just moving. Stated she saw a dentist and they confirmed this was not an issue with her tooth, but that the swelling of the jaw was pressing on the tooth. Stated she knows that the vaccine said it can cause joint pain and the mandible was technically a joint. She clarifies that her flu like symptoms included being tired and laying with a blanket and a little achy. Woke up that morning and she stated they were gone she hoped the jaw pain will go away, does not want it to go on into next week- have other people experienced this. She also stated that when she got the second dose of the vaccine, the guy gave it a little higher on her arm than the girl that administered the first vaccine and he did not pull back on the needle to look for blood, wondered if he could had given the vaccine into a blood vessel. Therapeutic measures were taken as a result of events that included Tylenol. The outcome of the events tooth and jaw started hurting, molar and gum around molar hurting and jaw is swollen, cannot bite down was reported as not resolved and the outcome of the events tired, flu like symptoms and achey was reported s resolved on 19Mar2021.  No follow-up attempts are needed. No further information is expected.