muscle pain/muscle pain at the site of injection/Her muscle hurts so bad in her right arm; She said her arm still hurt from the first dose.; like spasms; makes her whole arm go numb.; painful/the pain is getting worse.; felt like "pins and needles"/has a lot of pins and needles; She said that the pharmacist went inside the muscle so hard that maybe it damaged it.; it burns; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team for a Pfizer sponsored program. The reporter is the patient.  A 74 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date Aug2021 (Batch/Lot number: unknown) at the age of 74 years as dose 1, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. The following information was reported: MYALGIA (non-serious) with onset Aug2021, outcome "not recovered", described as "muscle pain/muscle pain at the site of injection/Her muscle hurts so bad in her right arm"; PAIN IN EXTREMITY (non-serious) with onset Aug2021, outcome "not recovered", described as "She said her arm still hurt from the first dose."; MUSCLE SPASMS (non-serious) with onset Aug2021, outcome "unknown", described as "like spasms"; HYPOAESTHESIA (non-serious) with onset Aug2021, outcome "unknown", described as "makes her whole arm go numb."; PAIN (non-serious) with onset Aug2021, outcome "not recovered", described as "painful/the pain is getting worse."; PARAESTHESIA (non-serious) with onset Aug2021, outcome "unknown", described as "felt like "pins and needles"/has a lot of pins and needles"; WRONG TECHNIQUE IN PRODUCT USAGE PROCESS (non-serious) with onset Aug2021, outcome "unknown", described as "She said that the pharmacist went inside the muscle so hard that maybe it damaged it."; BURNING SENSATION (non-serious) with onset Aug2021, outcome "unknown", described as "it burns".  Additional information : Caller mentioned that she received her first two doses of the vaccine last Aug and Oct of 2021. She stated that she received the vaccine in her right arm and she experienced muscle pain in the said arm since her first dose. She mentioned that the pharmacist who administered the vaccine for her first dose "body slammed" the injection to her arm and she said that it was very painful that she shouted when it was administered. She also mentioned that when she got her 2nd dose from a different pharmacy, she was told that it shouldn't hurt and she shouldn't feel any pain during the administration. She stated that the muscle pain in her arm from her first dose lasted for 2 weeks. She described that "it does not happen all the time" and it just happens when she used the muscle on her right arm too much. She said it felt like "pins and needles" and sometimes, her arm felt like "dead" but it was not numbed according to her. She usually feels it if she is doing something which makes use of the muscle in her right arm. She also said that as the time went on, the pain has gotten "worse and worse". She also stated that when she experiences the pain she massages her arm to alleviate the pain and when she pressed into the middle of the muscle, she said that "you can even touch the area where it hurts." She also stretches her arm and pull it tightly to her body until the pain fades. She wanted to know if the pain is normal and how long should it last and if the muscle pain be caused by a damage brought by the needle or from the covid vaccine. In the clinical studies, participants who received the vaccine were asked to complete diaries of their symptoms after vaccination (for both doses of the primary series). The median duration of those symptoms is described below by age group and by type of reaction; Local reactions are the ones you get on the arm where you got the shot (such as injection site redness and injection site swelling): Persons 18 Years and Older: Local reactions lasted between 1 and 2 days and systemic reactions lasted around 1 day. Swollen lymph nodes (lymphadenopathy) were also reported and generally resolved within 10 days. Warm transfer from (withheld) calling from (withheld). The transferring agent stated that the caller refused to provide demographics. The transferring agent stated that the caller is calling about the Pfizer Covid-19 vaccine and reported that she has muscle pain at the site of injection and wants to know if that is normal. It was reported that She ignored the pain at first, but it kept getting worse. It is so bad now she wants answers. Caller does not remember the exact dates of the vaccinations and stated that she does not have her vaccine card with her to provide details.   The lot number for bnt162b2 was not provided and will be requested during follow up.  Follow-up attempts are completed. No further information is expected.