This is a spontaneous report from a contactable consumer (patient). A 21-years-old female patient received first dose of bnt162b2 (Pfizer-BioNTech Covid-19 Vaccine, Solution for injection, Lot Number: EW0198), via an unspecified route of administration on 30Jul2021 (at the age of 21-years-old) at around 5-6:00pm administered in Arm Left on 30Jul2021 as a single dose for COVID-19 immunisation at pharmacy. Medical history included ongoing asthma. There were no concomitant medications. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Prior to vaccination, the patient adverse event was reported as none. The patient's family medical history reported as none. On 30Jul2021, the patient experienced Severe allergy reactions, Began itching all over her body, Red rashes, Welts, Had high blood pressure, Temperature of 99, Shortness of breath. She is calling about the Pfizer Covid19 vaccine and states she wanted to report her side effects of the severe allergic reaction she had after she got the vaccine 1st dose on Friday 30Jul2021 and had the severe reaction later on the same day. Caller states she has the 1st dose of the Pfizer COVID19 vaccine on 30Jul2021 and began itching all over her body with red rashes and welts and everything and had high blood pressure, a temperature of 99, and shortness of breath. Caller states she also has asthma which later in the call states was diagnosed at birth. States her symptoms began around 8:00pm and from the Clinic she was rushed to the emergency room. States her paperwork says she got the first shot of Benadryl at 9:16pm that day and they immediately gave her the Benadryl shot in the clinic and the Benadryl shot did not work for her so they then rushed her to the emergency room;. States she has no lot, expiry date or NDC number to provide for the Benadryl shot from her paperwork but it says the Benadryl was given intramuscularly 25mg. States she got the Pfizer COVID19 vaccine around 5-6:00pm on 30Jul2021. Caller states for her reported symptoms as of right now they are minimal and she has the itching and was put on a few medications to help with breathing and itching and everything else and everything is minimal regarding the reported events at this time and they are not severe. States she was prescribed an Epipen to take with her everywhere and was told she could relapse and have an allergic reaction because of this but she has not used the Epipen yet and is at the pharmacy to get it but has not picked it up yet. She was given Prednisone 20mg and is taking three tablets of that per day and is not sure of the Epipen dosage and also takes Banophen 25mg and is taking one per day as needed by mouth. States she is taking Famotidine 20mg and takes two of those every day by mouth one in the morning and one at night. States for the Epipen, Famotidine, Banophen, and Prednisone she has no lots, expiry dates or NDC numbers to provide as she only has her paperwork with her at this time. Caller states the reported symptoms are ongoing and improved a minimal amount and she is still itching. Caller states written on her patient card is the lot number for her 1st dose administered on 30Jul2021 in her upper left arm and she is unsure if it is the number 0 in it, but states it is EW0198 and states the expiry date and NDC are not written on the card. She does have severe allergy reactions and told the facility this and they said it was ok to get the Pfizer COVID19 vaccine and and they told her they had not seen anything like that reported and only had people fainting and that was it. No further details provided by the caller. States after the first shot of Benadryl given at the clinic which did not work, she was rushed to the emergency room and they had to give her an IV and gave her some more Benadryl by IV and Famotidine by IV and Pepcid by IV and they gave her a third one by IV which was Methylprednisolone. States she has no lots, dosages, NDC numbers or expiry dates to provide for the Benadryl, Famotidine, Pepcid, or Methylprednisolone. Caller states written on her patient card is the lot number for her 1st dose administered on 30Jul2021 in her upper left arm and she is unsure if it is the number 0 in it, but states it is EW0198 and states the expiry date and NDC are not written on the card. Vaccine Supplemental Form completed in additional context. Caller states she is calling about the Pfizer Covid19 vaccine and states she wanted to report her side effects. States her paperwork says she got the first shot of Benadryl at 9:16pm that day and they immediately gave her the Benadryl shot in the clinic and the Benadryl shot did not work for her so they then rushed her to the emergency room. States she has no lot, expiry date or NDC number to provide for the Benadryl shot from her paperwork but it says the Benadryl was given intramuscularly 25mg. Caller states she was given Prednisone 20mg and is taking three tablets of that per day and is not sure of the Epipen dosage and also takes Banophen 25mg and is taking one per day as needed by mouth; states she is taking Famotidine 20mg and takes two of those every day by mouth one in the morning and one at night. States for the Epipen, Famotidine, Banophen, and Prednisone she has no lots, expiry dates or NDC numbers to provide as she only has her paperwork with her at this time. Caller states the reported symptoms are ongoing and improved a minimal amount and she is still itching. Caller states written on her patient card is the lot number for her 1st dose administered on 30Jul2021 in her upper left arm and she is unsure if it is the number 0, but states it is EW0198 and states the expiry date and NDC are not written on the card. States after the first shot of Benadryl given at the clinic which did not work, she was rushed to the emergency room, and they had to give her an IV and gave her some more Benadryl by IV, Famotidine by IV, and Pepcid by IV and they gave her a third one by IV which was Methylprednisolone. States she has no lots, dosages, NDC numbers or expiry dates to provide for the Benadryl, Famotidine, Pepcid or Methylprednisolone. The adverse events resulted in Physician Office and Emergency Room visit. The outcome of the events was recovering.