I had a lot of reaction from the COVID shot. I had a bad bad flare with my arthritis by being off of the Xeljanz; I have been extremely fatigued; I had a few headaches which is extremely rare for me to have a headache; Can't use left hand/Painful to sit down and straighten the leg up; Right leg and knee and joints are so swollen; A lot of pain; Hard to get up from a chair or get in and out of bed; This is a spontaneous report from Pfizer Sponsored Program. A contactable 82 year old female consumer (patient) reported for herself, took BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE Solution for injection, lot number EN6206, Expiration date were unknown), via unspecified route anatomical site of injection administration stated by the patient was Left upper arm on 18Mar2021 for COVID-19 immunization and had a co suspect as Tofacitinib Citrate( XELJANZ) as prescribed 5 mg tablets which was stopped by the patient to take BNT162B2. The patient's medical history reported was rheumatoid arthritis, Chronic kidney disease, AFibrillation and unspecified allergy. The concomitant medications included were Paracetamol(TYLENOL) was taken for pain whenever she needed. Apixaban(ELIQUIS) as 5mg twice daily, Bumetanide(BUMETANIDE) as ongoing, VITAMIN D3 as 1000 units daily, Ubidecarenone (COQ-10) 30mg once daily, Metoprolol(METOPROLOL)50mg twice daily, Prednisone(PREDNISONE) 5mg once a day, Cyanocobalamin(VITAMIN B12 CYANOCOBALAMIN) ongoing, Digoxin(DIGOXIN) 0.125mg once daily tablet ongoing. She had to take anit-histamines at this time of the year. They said she should not take Covid 19 BNT162B2 and Tofacitinib Citrate( XELJANZ) at the same time. She had been off it for two weeks and she had a lot of reaction from the COVID shot. She had a bad flare with her arthritis by being off of the XELJANZ but she was back on it for a little while. She had to delay her second dose of the vaccine because of it and that she would have to go off of it for another two weeks when she get the second dose for 8Apr2021. She was not sure if she should try as her right leg was in bad pain. stated that she had been off XELJANZ to take the COVID 19 shot. Patient was afraid to take that second shot. She had been extremely fatigued and had a few headaches which was extremely rare for her to have a headache. They did not last very long, they were more of like just pain in her head and uncomfortable for a few minutes and it went away. Her main concern was that her hands were so swollen, that it was very difficult to take care of herself. And her legs as well as it was hard to get up from a chair or get in and out of bed as it was painful. She did not know what to do as to go off of the XELJANZ for two weeks, which unfortunately both are Pfizer medications. She could not use her left hand and her right leg, knee and joints were so swollen. It was painful to sit down and straighten the leg up and she was in a lot of pain. She was supposed to stay off of this XELJANZ right after taking the first shot which she did, did not take XELJANZ until 3Apr2021 which was a full two weeks period, that was her Rheumatoid Arthritis. Outcome of the events was unknown. Additional information has been requested.