back pain where arthritis is; has arthritis in her back and always has back pain, but it became worse during this time and still flares up from time to time; slight fever 98.00; pain that was so severe; right arm ache in arm pit area; absolute agony and pain in left leg; felt miserable; This is a spontaneous report from a contactable consumer or other non hcp (patient). A 94-years-old fe-male patient received first dose of bnt162b2 (BNT162B2 PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot Number: EN6206), via an unspecified route of administration, administered in Arm Right on 16Mar2021 11:15 (at the age of 94 years old) as Single dose for covid-19 immunisation. Medical history included ongoing arthritis in back, thyroid disorder and high blood pressure an unknown date and ongoing. Concomitant medication included lisinopril taken for blood pressure abnormal from 2020 and ongoing; atenolol taken for blood pressure abnormal from an unspecified start date and ongoing; levothyroxine sodium taken for thyroid disorder, Patient stated lisinopril did not seem to react well with her, and it did not sit well with her, it upset her stomach when she took the 20mg as prescribed so she split it and takes them 10mg at two different times. Did not seem to help her blood pressure a great deal. Patient stated taking Lisinopril 20mg made her stomach hurt so she takes Lisinopril 10 mg twice per day, also doesn't think it is working very well. Patient stated she had the shot she felt fine and on Friday afternoon she was in absolute agony, stating her left leg was in absolute pain so bad she thought she would faint and things were fine for a while and then got pain her back where she has the arthritis it has diminished somewhat, but is still there. a slight fever at 98.00 for a couple days then went back to normal. Patient explained that her normal temperature is 96.7, stating it might not look like a fever to anyone else, but she definitely felt it. also adds she had just been feeling miserable. right arm pain that started 6 days later. the pain was in her armpit area and was more like an ache. the leg pain was so severe it was dominating. she has arthritis in her back and always has back pain, but it became worse during this time and still flares up from time to time. Patient stated the leg pain has improved but is still there. If she is not moving it is not so bad. Severity is what frightened. she was unclear when the fever started because her back pain was so severe, something she had not experienced at that level before. the level of back pain is what made her call the doctor and the doctor thought the fever was related to her back pain, but no way of knowing for sure. On19Mar2021, the patient experienced pain that was so severe, absolute agony and pain in left leg, back pain where arthritis is, has arthritis in her back and always has back pain, but it became worse during this time and still flares up from time to time, slight fever 98.00, felt miserable, right arm ache in arm pit area on 22Mar2021. The patient underwent lab tests and procedures which included body temperature was 98, body temperature was 96.7 on an unknown date. The outcome of the right arm ache in arm pit area was recovered on 24March2021, the out-come of pain that was so severe, absolute agony and pain in left leg, back pain where arthritis is, has arthritis in her back and always has back pain, but it became worse during this time and still flares up from time to time, slight fever 98.00, felt miserable was unknown   No follow-up attempts are possible. No further information is expected.