tightness in throat and lump in throat/had a tightness and lump in her throat; tightness in throat and lump in throat/had a tightness and lump in her throat; allergic reaction like rash, tightness in throat, and lump in throat; allergic reaction like rash/red rash on her chest and rash was on her arms too; cheeks were flushed; This is a spontaneous report from a contactable nurse (patient). This nurse reported similar events for 3 patients. This is the first of 3 reports.  A 23-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE) lot number: EK9231, intramuscular in the right deltoid, first dose on 27Dec2020 14:15 at a single dose for covid-19 prevention. Medical history included ongoing asthma and reactive airway which she was diagnosed when she was like 5 years old (2002). Concomitant medication included albuterol [salbutamol] for asthma which started when she was 8 years old or so. The patient wanted to know if she can receive the second dose of covid vaccine after experiencing symptoms of allergic reaction like rash, tightness in throat, and lump in throat. She wanted to know the ingredients and specific proteins in the covid vaccine. The patient received the COVID Vaccine and she developed a reaction. On 27Dec2020, she had a red rash on her chest, and her cheeks were flushed, and the rash was on her arms too, and she had a tightness and lump in her throat, it was not painful to swallow but she could feel the pressure with swallowing. She stated that she did not experience shortness of breath, but regardless, she was seen in the ER and she was given IV SOLUMEDROL, and BENADRYL, and she was watched for 5 or 6 hours and then she was sent home with an Epi Pen, around the clock Benadryl, and prednisone. She asked the ER doctors if they thought it was okay for her to receive the second dose of the product, and they told her to contact employee health for that question. She mentioned that she contacted that employee health and was told to contact her primary care provide which she did. Her primary care doctor instructed the caller to call Pfizer and gather some more information regarding ingredients, as the she may have had the reaction to a particular protein filler. She was also wondering if this is a known reaction to the product. She received the vaccine on 27Dec2020 at 2:15 PM. She reported that the red rash on her chest and arms, and her cheeks being flushed, resolved yesterday after receiving IV BENADRYL. Had a tightness and lump in her throat which was still ongoing, and it was kind of off and on and when the she takes Benadryl it goes away. She reported that this one is medically significant because even though she did not have shortness of breath, it could have affected her airway. She confirmed that she received no other vaccines on the same day as the COVID vaccine. The outcome of the events 'had a tightness and lump in her throat', allergic reaction was not recovered (a s reported); while recovered on 27Dec2020 for allergic reaction like rash/red rash on her chest and rash was on her arms too and cheeks were flushed.; Sender's Comments: Based on temporal association, the causal relationship between bnt162b2 and the events throat tightness, sensation of foreign body, allergy to vaccine, rash erythematous and flushing cannot be excluded. This case will be reassessed once additional information becomes available. The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to Regulatory Authorities, Ethics Committees, and Investigators, as appropriate.,Linked Report(s) : US-PFIZER INC-2020517134 different patient, same drug and same event;US-PFIZER INC-2020517133 different patient, same drug and same event.