I could not move my ring finger and my fifth finger, my pinky finger on my left hand at all; It felt like someone stabbing me with a knife/The pain that I am experiencing is as well in my left side too; Sometimes its tingling, sometimes its like throbbing pain. Its like weird pain like on both hands. And like numbness pain, all these different kinds of pain; I have been waking up with like excruciating pain in my hand; I got pains in my joint where like I could barely bend my fingers and then the pain is like different; This is a spontaneous report from a contactable consumer (patient). A 42-year-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Lot number: ER8727), via an unspecified route of administration in left deltoid on 22Mar2021 as single dose and the patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Lot number: EN6206, Expiry date: on an unspecified date in Jun2021), via an unspecified route of administration in left deltoid on 04Mar2021 as single dose for COVID-19 immunisation. Co-suspect medication included ongoing OCRELIZUMAB, on an unspecified date in 2017 as twice a year or every 6 months for multiple sclerosis. Stated that, she had been on different medicines. The patient's medical history included ongoing multiple sclerosis, on an unspecified date in Jan2002. The patient's concomitant medications were not reported. No prior vaccinations within 4 weeks. It was reported that, the patient was perfectly healthy, and she did not know why she was having these weird side effects. So, the patient wanted to report because she never had any pains. Stated that, the patient got her first dose of Pfizer Vaccine (further clarified as Pfizer COVID 19 Vaccine) on 04Mar2021 and the 2nd dose on 22Mar2021. Stated that, when probed whether the patient experienced side effects after the first shot or the second shot, the patient stated that, the thing was she did not know whether it had anything to do with the vaccine. She was just calling because she wanted to report. This did not start happening until might like 2 months later, like one and a half months later, might be 6 weeks later. Stated that, they did not write the expiration date for the 2nd dose. When probed whether the anatomical site was same for both shots, the patient stated that, the pain that she was experiencing was as well in her left side too. She did not think of that until now, but it was both in her left shoulder. Stated that, she was very healthy, but she did have an autoimmune disease. she had multiple sclerosis. So almost 3 months later and for the last couple of weeks, 4 to 5 weeks might be even a little longer, the patient had been waking up with like excruciating pain in her hand on 03May2021 at 5 o'clock in the morning. Stated that, the patient did not have arthritis, she was young and very healthy, she run marathon and she wanted to report this because someone that she knew also mentioned something that they had the side effects, and she could not find anything online about this. Stated that, when she had googled up issues that she was having with her hand, it leads to Rheumatoid Arthritis. Stated that, she never had COVID and she was like perfectly healthy. Stated that, she did not know whether people were experiencing issues with the vaccine a month later. Stated that, on 03May2021, the patient got pains in her joint where like she could barely bend her fingers and then the pain was like different. It was like all different kind of pain like today for instance, like she could not, it was the worst day. Stated that, on 13Jun2021, she could not move her ring finger and her fifth finger, her pinky finger on her left hand at and it felt like someone stabbing her with a knife and on 13Jun2021, sometimes it was tingling, sometimes it was like throbbing pain. Stated that, it was stiffness, and it was like weird pain on both hands and like numbness pain, all these different kinds of like anything that she could imagine related to some sort of pain was like she had not seen it. Stated that, she did not know what this was but she did not know whether it had anything to do with the vaccine because like she did not have arthritis. Stated that, she went to see a rheumatologist and they did all those tests on her and they were negative, blood tests. They did not really know what was wrong and she was like the only thing like change the last of the month was that she got the vaccine. Stated that, she did not want to point a finger and say like was it the vaccine but were there people that, she wanted to report this because it was weird, it was rare and she mean whether it was pain for a couple of days and also she got her second shot in the end of March. Stated that, for her to have weird symptoms months later out of nowhere for when she was really healthy, she did not know what this could be. Stated that, the patient wanted to report this because she did not know whether other people had like if there was 0.001% of people that were also feeling like this and had this out of nowhere. Stated that, she did not know the dose of Ocrevus, and she had been taking Ocrevus and it was an Infusion that she did twice a year or every 6 months. The patient specifically spoke with her doctor and she meant they planned it out, so she got the vaccine prior to her infusion which was basically like a month later or after the second vaccine (further clarification was unknown hence captured as suspect conservatively). The events resulted in physician office visit. The reporter seriousness for the events was unspecified. Treatment medication included was Tylenol and meloxicam. Stated that, she had been taking Tylenol and it was like a medicine Aleve but its stronger and meloxicam, 15 mg tablet once a day. Tylenol taking as she needed like might be 2 of the day. It was 500mg each, but she took 2 Tylenol in day. Stated that, as they said someone's would follow up with the patient for reassurance. Stated that, have there been any side effects like this or they did not know or they probably could not share that information. Stated that, she thought she got blood work done after, like probably 2 weeks after. She did not know what it was for and she did not remember. Stated that, it was just like, she thought, not 2 weeks after. No tests 2 weeks after (not cleared hence not checked). On 13Jun2021, the patient underwent lab and tests and procedures which included blood test, resulted as negative. The outcome of the events was not recovered.  Information on Lot/Batch number was available. Additional information has been requested.