injection site is itchy; injection site is red/Injection site redness; injection site is swollen; injection site is uncomfortable; incredibly dizzy, like very very very dizz/severe dizziness; hives all over her arm/Itching hives; This is a spontaneous report from a contactable consumer (patient) via medical information team. A 25-year-old female patient received bnt162b2 (PFIZER BioNTech COVID-19; solution for injection; Lot Number: FA6780; NDC number, UPC number, Expiry Date: Unknown), dose 1 via an unspecified route of administration on 07Aug2021 (at the age of 25 years) as DOSE 1, SINGLE for covid-19 immunisation. The patient medical history was not reported. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Concomitant medications included colecalciferol (VITAMIN D); biotin and ethinylestradiol/ norgestimate (ORTHO TRI-CYCLEN) taken for an unspecified indication, start and stop date were not reported. Patient mentioned she had the first dose of the Pfizer BioNTech COVID-19 vaccine last saturday on 07Aug2021, 4 days ago. She woke up on sunday morning on 08Aug2021, and was incredibly dizzy, like very very very dizzy. She looked through paperwork about signs of a severe allergic reaction which was dizziness and weakness but she said she had no weakness, just severe dizziness. Patient mentioned that the next day, sunday, she felt a little bit better and the dizziness kind of went away on 08Aug2021, but she had hives all over her arm, and were not near the injection site on 08Aug2021. 4 days later on 10Aug2021, the injection site was red, itchy, swollen and uncomfortable. When she called she asked if it was safe for her to get the second dose of the Pfizer COVID-19 vaccine after her experience with the first dose and the response was you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. Signs of a severe allergic reaction may include: difficulty of breathing, swelling of your face and throat, a fast heartbeat, a bad rash all over your body, dizziness and weakness. The decision to receive the second dose for any other reason cannot be made by pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knew your health situation and had access to information that can better help inform this decision. Offered survey. She told them she had some concerns about some of the side effects and wasn't sure if it was concerning enough to not receive the second dose. Clarified that the caller was referring to the Pfizer BioNTech Covid vaccine. She was told that it was option 3 for medical information. She said that she put in option 3 but it sounded like she needed to talk to someone. She needed to ask about taking the second shot or not because of the side effects she had. Due date for second shot is on 28Aug2021. She further stated, she guessed, she just needed to know is dizziness a concern of getting the second shot which was on the severe allergic reaction list. Therapeutic measures were taken as a result of the events with anti-itch cream like a benadryl cream on it and then she took tylenol for side effects, one time. The outcome of the events hives, vaccination site pruritus, vaccination site erythema, vaccination site swelling, vaccination site discomfort was unknown, and the event dizziness was recovered on 08Aug2021.