I started having little problems with my shoulder neck muscle; I could not even move without shooting pain; My muscle are seized up; I have been aching and can't turn my head totally; My muscle are seized up; I have been aching and can't turn my head totally; I started having little problems with my shoulder neck muscle; I could not even move without shooting pain; I started having little problems with my shoulder neck muscle; I could not even move without shooting pain/muscle are seized up, have been aching, cannot turn my head totally; This is a spontaneous report from a contactable consumer. An 85-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: EN6200), dose 2 via an unspecified route of administration on 04Mar2021 (at the age of 85 year) as dose 2, single for COVID-19 immunisation. Medical history included hypertension, stenosis (had some stenosis in the neck I guess about 8 years, 9 year earlier I had a nerve block injection which you know took care of the similar type of situation). There were no concomitant medications. The patient previously took BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE), dose 1 on an unknown date (at the age of 85 year) for COVID-19 immunisation. On 04Mar2021, consumer started having little problems with shoulder neck muscle and then that got to the point where consumer could not even move without shooting pain through shoulder and consumer ultimately end up calling doctor and next day consumer said his muscle were seized up and what not and prescribed Baclofen, that was medication which was a muscle relaxant, which consumer took 10 mg twice a day for 10 days, that did not work. Consumer still getting the pain all it did, start easing a little bit but on the third day consumer could not stand the pain anymore so consumer took Aleve, took 2 tablets of NSAID like Aspirin consumer guess, and that relieved the shooting spasm pain but continued taking, consumer only took Aleve 1 more day and it stopped the spasm where consumer moved the shooting pain but the muscles in my neck like moving up side of my neck up to the skull and consumer do not know if you understand what he was referring to, neck muscles there, consumer have been aching and cannot turn his head totally, he can turn it now, it was a lot better, just want to let you know that what he has been, he would not been doing anything that would stress my neck at that time, however he wanted you to know that he had some stenosis in the neck he guess about 8 years, 9 year earlier he had a nerve block injection which you know took care of the similar type of situation. He was not sure if they correlated by he just thought he let you know since he has not had any problem recently with that. Product details (LOT# and expiration date) of Baclofen: Consumer stated, What he had, he still have, today was the last day for taking it, that was okay let me see here, 05Mar2021, was when it was filled. The day after my shot, it was the dispensed by (name), manufactured by pharma, shape round, color white, then it says side 1:E6, he do not know what that means, he do not see no lot number here. Consumer stated, Yeah the shooting pain was improved, definitely improved by using the Aleve the muscle relaxer consumer was sure that helped somewhat he still and it still has not totally eliminated the ache. He had blood work the day after the shot, no the day, the couple days before sorry, just around 01Mar he had the blood work. Consumer stated, Yes he believe he had them, what you need from them, there was lot of results, he meant you want cholesterol levels you talking about, yeah we will be spending whole lot time on that. The outcome of events was recovering.  No follow-up attempts are possible. No further information is expected