Vomiting; Her chest hurting and having "weird like psychological issues, weird like a fog; The fog as brain fog and reports the fog as if she can't remember things; The fog as brain fog and reports the fog as if she can't remember things; woke up this morning and didn't know what day it is; Arm is sore; She feels like her skin is crawling it's weird; This is a spontaneous report received from a contactable other health care professional. A 51-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: Unknown), via an unspecified route of administration, administered in Arm Left on 04Aug2021 (at the age of 51-years-old) as dose 1, single for COVID-19 immunisation. Medical history was none reported. Concomitant medications included paracetamol (TYLENOL) taken for headache, start and stop date were not reported. Patient states she received the first dose of the Pfizer Covid-19 vaccine yesterday on 04Aug2021. Reporter reports last night at 17:00, on 04Aug2021 she started experiencing vomiting, her chest hurting and having weird like psychological issues, weird like a fog. Reporter declines describing the fog as brain fog and reports the fog as if she cannot remember things. States she woke up this morning and did not know what day it was, and she works in critical care. Reporter reports waking up this morning not knowing what day it was. Reporter states this morning she could not remember names and it was just really weird. Reporter states they were medically significant as she has to go to work, and she has 2 kids and was a single mom and she does not know. States she feels like her skin is crawling it's weird on unknown date in 2021. Reporter relays her arm was sore but that was normal and started immediately after the shot. Reporter states that she does not feel like herself and she does not know how to explain what she was experiencing. Reporter states that she was scared to death to get the other one. Reporter stated that she had to take the day off of work today. Reporter was a nurse that works in critical care. Reporter states the symptoms are not flu like symptoms. Reporter states she spoke with the pharmacist who administered the vaccine and stated what she was experiencing it was normal. Reporter was asking if other people had reported this reaction and if the reaction could be possible side effects. Reporter also noted when looking at the fact sheet, she did not see vomiting as a side effect. Reporter stated, vomiting does not show up on the fact sheet from Pfizer. Reporter states she had the shot yesterday and was had some problems. States she already reported to VAERS. Reporter states it was the Pfizer Covid shot 4Aug2021 1st dose. Reporter relays she called the pharmacist that gave it to her at pharmacy and she said it was normal. Reporter states she has vomiting and like her chest hurts and she doesn't take any medications or anything. States she was having weird like psychological issues, a weird like a fog and she had to take the day off of work. Reporter states she got the shot at 9:00 and the symptoms started like 17:00-18:00. Reporter relays she does not feel like herself, it was not flu like symptoms, it was weird psychological she does not know how to explain it was weird. Reporter states her symptoms are all staying the same and she does not know what to do, everybody says they cannot help her and to call her doctor and they do not want to deal with it. She wanted to get it anyway but didn't realize she was going to feel like this. Reporter relays she said that with the 2nd dose to take time off 3 weeks from now, she said it was even worse and she doesn't know, she does not get paid to be home. Reporter states for causality she does not know what else would cause it, all she has done all week was working. Reporter states she feels very weird, very weird and she does not like this feeling and wants it to stop. Reporter states with the flu shot and that she told her that and she said that was ok it was a different type vaccine. Reporter states she had to be monitored her heart was beating really fast and she fainted right after, states she got it when was working and she was fine she just drank water. Reporter states she does not see this on the handout and would like to see if other people has experienced these. Vaccination facility address: Reporter declines to provide stating she does not want to get them in trouble and she still has to go back for her 2nd dose. The event vomiting, chest pain, feeling abnormal, memory impairment assessed as serious (medically significant) and while other event was non-serious. Patient not visited emergency room and physician office. The outcome of the events crawling sensation of skin, pain in arm was reported as unknown and while other events was recovering.  Verbatim event relatedness: Covid shot: her chest hurts- Related, Covid shot having weird like psychological issues- Related, Covid shot: a weird like a fog- Related, Covid shot does not feel like herself- Related, Covid shot: woke up this morning and did not know what day it was- Related, Covid shot: she feels like her skin is crawling it was weird- Related, Covid shot: arm is sore- Related.  The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up.  FUP PRD/SRD (11Aug2021) Follow-up activities closed: Follow-up activities closed: Batch/lot number not available for vaccine/BNT162B2.