Pain in her knee from an old injury; Sore arm; reaction in her joints got really bad a little over a week ago; This is a spontaneous report from Pfizer sponsored program via medical information team. A contactable nurse (patient) reported that a 67-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: ERV6202; Expiration Date: Jun2021), via intramuscular, administered in arm right on 01Mar2021 at 11:00 AM (age at vaccination was 66 years) as DOSE 1, 0.3 ML SINGLE for covid-19 immunisation at pharmacy. Vaccine administered at military facility was reported as No. Medical history included covid-19 from Nov2020; sciatic nerve issue, sciatic nerve issue that she had surgery, old injury. She knows she that her spine has arthritis, her L5, it is getting to point where it is almost bone on bone, a lot of arthritis. No family history was reported. Concomitant medications were not reported. No additional vaccine was administered on same date of Pfizer vaccination. The patient historical vaccine includes received second shot of Shingrix for shingles in last week of Dec2020. It was reported that she received the first dose of the vaccine on March 1. She is having pain in her knee from an old injury and has been prescribed prednisone 20mg. She had a sore arm after receiving the vaccine. She had COVID in Nov2020. Back in Dec she had her second shot of Shingrix. It was reported that Confirms she is a retired RN. She has a question. She had reaction in their joints. She had to go to an orthopedist and she was put on an oral steroid for her knee that is killing her. She does not know if it has upset a sciatic nerve issue that she had surgery for in the past and the surgery took care of her sciatic issue. She was put on the oral steroid yesterday to make it where she could walk since her knee was so painful. She has been told that being put on an oral steroid could work against the vaccine. She is asking if it is safe to take an oral steroid. She is not saying the joint issues they are having is from the vaccine. They already had covid last year. She does not know if the vaccine is the cause of their reaction. It is spring there and they have been going back and forth with pollen and it can be hard on those with arthritis. The reaction in her joints got really bad a little over a week ago, a week and a day ago. She could not stand it anymore so that is why she went to doctor. At the moment it is the same , it got worse as time went on. Again states she has no idea if their joint issues have to do with the vaccine but they have not had this before, states it may be arthritis. Also, her 2nd dose schedule is more than 21 days from the 1st dose. Her 2nd dose schedule will be on 29Mar2021. Furthermore, she had a check-up with Orthopedics after the 1st dose of the Covid-19 vaccine and underwent an X-ray procedure and she said that she took oral steroids. She is asking if she can continue taking steroids that were prescribed to her after she heard from someone that steroids are not advisable after getting the Covid-19 vaccination. The patient underwent lab tests and procedures which included spinal x-ray: unknown on an unknown date. Therapeutic measures were taken as result of knee pain. The outcome of the events was unknown while knee pain was not recovered.  No follow-up attempts are needed. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-2021307957 same reporter/drug, different patient/event.