left arm pain, sharp, stabbing, weak, painful to move.; increase ear and teeth pain including left jaw; face swelling including eyes; left ear and teeth pain; left ear and teeth pain; drooping of right side of face at mouth/neurology visit diagnosed with bells palsy reoccurrence related to vaccine; drooping of right side of face at mouth/neurology visit diagnosed with bells palsy reoccurrence related to vaccine; numbness/swelling to left side of face/some numbness and tingling intermittent left arm; numbness/swelling to left side of face; some numbness and tingling intermittent left arm; Left neck stiffnes and pain; Left neck stiffnes and pain; Left arm pain; Headache; This is a spontaneous report from a contactable nurse (patient). A 42-year-old female patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), intramuscularly on 15Dec2020 15:45 at left arm, at single dose for covid-19 immunization.  Medical history included facial paralysis from 2010, ongoing chronic migraine, Known allergies was None. Concomitant medication included cetirizine hydrochloride (ZYRTEC ALLERGY); ibuprofen; paracetamol (TYLENOL); ascorbic acid, biotin, calcium pantothenate, cyanocobalamin, folic acid, nicotinic acid, pyridoxine hydrochloride, riboflavin, thiamine hydrochloride, tocopheryl acetate (MULTIVITAMIN). The patient was not pregnant at the time of vaccination. The patient experienced left arm pain day of vaccine lasting through the week from 23Dec2020 06:00. Headache everyday after. On 28Dec2020 the patient noted numbness/swelling to left side of face, some numbness and tingling intermittent left arm. Left neck stiffness and pain. On 31Dec2020 increased left neck pain 10/10 and noted drooping of right side of face at mouth, left ear and teeth pain. On 02Jan2021 face swelling including eyes, increase ear and teeth pain including left jaw. Headache and neck pain continued. On 05Jan2021 Virtual visit with NNP started AbX and steroids (possible bells palsy flair up) and dentist visit no issues with teeth. On 08Jan2021 neurology visit diagnosed with bells palsy reoccurrence related to vaccine. Throughout the week increased numbness, tingling, and pain to left arm. With intermittent sciatic type pain to left leg. her whole left side had felt different since the vaccine. Constant left arm numbness, tingling, and pain since 09Jan2021. Minimal relief from headaches pain from 8 to 5. On 13Jan2021 10/10 left arm pain, sharp, stabbing, weak, painful to move. Treatment Steroids, pain meds, and MRI scheduled were received. All events resulted in Doctor or other healthcare professional office/clinic visit. The outcome of the event headache was recovering, the outcome of the other events was not recovered. Prior to 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 4 weeks prior to the COVID vaccine.  Information about lot/batch number has been requested.; Sender's Comments: Based on the time association, the facial paralysis recurrence is possibly related to suspect BNT162b2 administration. The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to Regulatory Authorities, Ethics Committees and Investigators, as appropriate.