brain fart; Itches; Hot to touch; Arm Red; Dizziness; Exhaustion; arm of injection site is swollen; Adverse reaction; This is a spontaneous report from a contactable consumer (patient). A 33-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Batch/Lot Number: EL3246; Expiration Date: 30Apr2021), dose 1 via an unspecified route of administration, administered in Arm Left (upper left arm) on 12Feb2021 at 15:40 (at the age of 33-years-old) as a DOSE 1, SINGLE for covid-19 immunisation (healthcare worker and all the staff got it) at Hospital. The patient's medical history and concomitant medications were not reported. patient previously received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Lot Number and Expiry Date: EL3247, 31 May 2021), dose 1 via an unspecified route of administration on arm left on 20 Jan 2021 as a DOSE 1, SINGLE for covid-19 immunisation. History of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available) were None. Additional Vaccines Administered on Same Date of the Pfizer Suspect was None. Number of Previous doses and following prior vaccinations were none. Patients Medical History (including any illness at time of vaccination provide other relevant medical history including but not limited to these conditions, diagnosed allergies, compromised immune status, respiratory illness, genetic /chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity) and Illness or AE were none. Other Products and Patient History was reported as no. On 12Feb2021, the patient experienced arm of injection site is swollen, dizziness and exhaustion. She had adverse reaction on Feb2021 and on 13Feb2021, patient had itches, hot to touch, arm red and she had brain fart on an unspecified date. She said, will seek medical attention at local urgent care on 16Feb2021. Patient reported that, she received the second Covid vaccine on Friday. thought she was having an adverse reaction. Her arm where the injection site was, was swollen, red, hot to touch and it itches. Has experienced dizziness and exhaustion. Wanted advice on what to do, should she seek care or wait it out. Arm swelling started that night she got the injection. It became red, hot to touch and itching on Saturday morning.  Starting to have the dizziness and exhaustion also the same day she got the injection. She was unable to provide the NDC or dose of the second Covid vaccine given. No other vaccines given that day and no problems with vaccines in the past. 4 weeks ago, she got the first Covid vaccine on 20 January 2021 and provides the Lot number of EL3247 and expiry of 31 May 2021. This was also given in left arm. Mentioned having a brain fart when trying to remember hospital she received vaccines at. she will seek medical attention at local urgent care. Events were worsened. Family Medical History Relevant to the events were none. Relevant Tests done were none. Event did not require visit to emergency room and physician office. Reporter seriousness for will seek medical attention at local urgent care were unspecified. Outcome of the arm of injection site is swollen, dizziness, exhaustion, adverse reaction, itches, hot to touch and arm red were not recovered whereas, she had brain fart on an unspecified date was unknown.    Follow-up (11May2021): Follow-up attempts completed. No further information expected.