After I received the second vaccine, it is a rash; This is a spontaneous report received from a contactable reporter(s) (Other HCP) for a Pfizer sponsored program. The reporter is the patient.  A 60 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 11Mar2021 (Lot number: EN6198) at the age of 60 years as dose 2, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Date for first shot: Registered Nurse stated, "Ok my first shot was given 08Feb2021."), administration date: 08Feb2021, when the patient was 60 years old, for COVID-19 immunization. The following information was reported: RASH (non-serious) with onset Mar2021, outcome "unknown", described as "After I received the second vaccine, it is a rash". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of rash.  Additional information: She had a bad rash all over the body, hives, the rash and hives it was like eruption, heat became the rash and not much hive anymore, but it was a generalized rash that moved all way down to leg. Heart rate increased. We tried Prednisone and it got worst with the prednisone and also developed few sensitivities with the prednisone so, patient could not take that. Patient had tried Benadryl that did not do too much, Benadryl gave patient a very bad hangover, patient just had Benadryl but still got the rash during the day at some point. Patient had pop like in ear and heard pop like inner ear; it was like when someone was like seizure. The eruption usually last about 45 minutes and 1 hour and then it had gone away after that. Reason for no lot number: of Covid-19 Vaccine: Other: LOT: Nurse stated, Do you want all of them or booster. The booster numbers. It was 30145A. Expired Nov2021. (Further not clarified hence not captured in tab). Patient said she got a booster dose on 05Oct2021 and 10 minutes later, she had a bad rash all over the body, hives and increased heart rate. She did call this to CDC and reported it, but she had the same outbreak every single day and it was now 03Nov2021, so it was almost 30 days, and it was not going away, and she got it back every day. She wanted to know if there was something Pfizer can advise her to do and why it was happening. Patient did provide her to medical information done. When paraphrased the concern, Registered Nurse stated, yes, so, that was reason why patient had called for some advice. Patient was a nurse and was a registered nurse and never had this reaction. Patient was looking for some advice. Patient had consulted her doctor, we tried Prednisone and it got worst with the prednisone and also developed few sensitivity with the prednisone so, could not take that. Patient was taking anti-histamine like every day. Patient had tried Benadryl that had not done too much. Patient had been trying Vertex few day and as patient had said being a Nurse patient work and patient had two dogs so, patient was active during the day time and Benadryl gave a very bad hangover. On the weekend, when patient was not going to work a day after patient just had Benadryl but still got the rash during the day at some point. It had never happened at night, it was always during the day. The rash and hives it was like eruption. Patient had like a pop in ear and heard pop like in inner ear. It was like when someone was like seizure, and they had an aura and it always legitimate in inner ear and then it had started getting very hot. In ear and ear felt like they would have fly off her head and that heat had traveled down her body and the heat becomes the rash and not much hive anymore but it was a generalized rash that moved all way down to leg. It was huge kind a in back or hip area for a while. It had felt like it had worked on a cart sheep that was how back and bottom feel like. The eruption usually last about 45 minutes and 1 hour and then it had gone away after that. Registered Nurse was informed about the role of Pfizer Drug Safety and Pfizer Medical Information for the concern. Weight: Registered Nurse stated, About a 198 or 197 pounds. Other medical conditions and other Medications: Registered Nurse stated, No, Just supplements. All patients had taken was for heart and patient did not had hypertension it was just to lower heart rate, this was the only time. After patient had the shot patient had problems with heart rate. Patient took supplements Vitamin C, Vitamin D. (Further not clarified hence not captured in tab). Treatment: Registered Nurse stated, The doctor had put me on Prednisone 40 mg, it was 40 mg initially, the initial dose and then patient was supposed to go on 1 or 2 days but patient was not able to calculate.  Patient was taking Vertex and Benadryl, when patient did not have to work next morning. Dose: Registered Nurse stated, Benadryl, patient take up to 50 mg and the Vertex and pt usually try to take in morning 10 mg, just regular. Time: Registered Nurse stated, patient was not able to give time. Patient knew it was in the afternoon patient know that. Patient was trying to remember when it was about 9 something in the morning patient would say. Prior vaccination (4 weeks): Registered Nurse stated, No, no reactions, Nothing. Medical history: Registered Nurse stated, No medical history. After pt received the second vaccine, it was a rash but I did not think it was the second shot because pt had it couple of days after and pt had gone out of town. Pt figure, a rash started about the third day about 2 days later but it was minor in cubicle area. It was under my breast area.  Follow-Up (08Nov2021): Follow-up attempts are completed. No further information is expected.  No follow-up attempts are possible. No further information is expected.; Sender's Comments: Linked Report(s) : PFIZER INC-202101511464 Same patient and drug, different event separated in time