The itching was located just below the injection site at a spot where the skin was a little red; The itching was located just below the injection site at a spot where the skin was a little red; terrible itching in her left arm; out of balance, her balance was messed up; nervous; Sweaty; Feeling hot; felt like her heart was racing fast; felt dizzy/terrible lightheadedness; Feeling anxious; trouble sleeping; sharp pain in her muscle; This is a spontaneous report from a Pfizer-sponsored program. A contactable other health care professional reported that a 69-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection; lot EL9263) via an unspecified route of administration at arm left on 24Jan2021 13:00 at single dose for covid-19 immunisation. Medical history included drug allergies, IV contrast reaction. The concomitant medication was not reported. It was reported patient got the Pfizer COVID 19 vaccine Sunday 24Jan2021 at 13: 00PM in the left arm. She was scheduled for the second dose of the vaccine 16Feb2021. she got the vaccine and was perfectly fine; she started the wait time of 45 minutes and about 10 minutes into it she got really hot and felt like her heart was racing fast; felt dizzy on 24Jan2021. A nurse practitioner and a doctor came over and sat with her; she got some water and she was okay. They thought it was anxiety related to coming into a crowd, but for the next 36 hours she continued to feel anxious and on edge; she felt like she had too much caffeine. That night she had trouble sleeping; she had sharp pain in her muscles on 24Jan2021, it would be in one of her thighs then the other one. This was about 12 hours after the vaccine. States she took some tylenol and it did help. Adds she just continued to feel anxious and she was sweaty. States she has never has anything like this before. Today she felt perfectly fine; all of her symptoms had resolved. Then today, when she was driving to a routine GYN exam and she experienced a terrible itching on her left arm on 24Jan2021. It was sudden and startled her. The itching was located just below the injection site at a spot where the skin was a little red, feathery red, just below the injection site. Now the itching has stopped but it is still red. she couldn't hardly feel it being injected, she doesn't usually have reactions to vaccines, she never had anything, but she has a few drug allergies, and she was separated out, she was flagged to wait 45 minutes after, instead of the 15. She does have an IV contrast reaction, and some other things, nothing she knew was in the vaccine, she was fine and wasn't worried that she was aware of. She thinks she got too hot, she had on a coat, she was sitting and panning through stuff, reading on her phone, and all of a sudden she had terrible lightheadedness, she never fainted in her life, she is pretty sturdy, she didn't know what to think, she was lightheaded, and it was not vertigo, not like the room was flying, but she was like out of balance, her balance was messed up, and she sat there a minute, she was too hot, she got out of her coat, and it got worse, she could feel her heart racing, and she was talking to herself, she thinks she nervous, she could feel her heart pounding, and was instructed to raise her hand if she had issues, so she raised her hand, a nurse practitioner came over, she raised her hand, and the doctor making rounds came over and he said take off your mask off, she did, that helped somewhat, it was that blasted mask, she couldn't get enough air, he gave her water, she thinks she got too hot and perhaps got nervous and didn't think she was she said she's not been around people, and was suddenly in a huge crowd, everyone was appropriately distanced, it was an extreme presentation, after 5-6 minutes, she was good, it went away, but for 36 hours she didn't feel right, she could feel sometimes her balance wasn't right, she was just not herself, she could do her usual, she lives on a farm, she did usual farm stuff, but was not herself, and in the night, she woke several times, her heart was beating too fast, too much, but she went back to sleep, and she told her son, she said it felt like she had had 4-5 cups of really strong coffee. So the next day she was ok. Absolutely her normal, and then she didn't think anything about it, and was driving to a routine GYN exam, which was canceled last moment due to an emergency, she was driving and suddenly her arm started itching, this was Tuesday, so 48 hours after, not the site, it was distal, underneath it, maybe 2-3 inches under injection site. The site did nothing, she looked that night, no redness, lump, no raised area, no warmth, nothing, but then she had itching, intense itching like poison ivy, and she scratched and thought wait a minute, at her appointment she looked at her arm, this area was 3-4inches under the site, that was red, feathery looking and flat, macular, not raised, no induration, no warmth, no lump, no pain, it was feathery dusty red and the next day it was gone, she did nothing to it, she thought to put hydrocortisone, and looked at it, but it was so faint and wasn't itching. The seriousness was reported as non-serious. The outcome of the events was Feeling hot was recovered on 24Jan2021; Heart rate increased; felt dizzy; Muscle pain; Sweaty was recovered on 25Jan2021; Feeling anxious was recovered on 26Jan2021; Vaccination site rash; Vaccination site erythema recovered in 2021. Vaccination site pruritus was recovering; Difficulty sleeping; Loss of balance, Nervous was unknown.