it is more of a burn or a side effect; Back started hurting; she noticed a rash on her face too; Tingling and swollen tongue; Tingling and swollen tongue; Rash on the neck/Rash: it started right around then. It was right around her chest, up her chest/ Now it is in the middle of her neck and up to her chest; Felt itchy here and there; Voice changes like it got thicker and heavier; This is a spontaneous report from a contactable consumer (patient). A 57-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Lot Number: ER8737), via an unspecified route of administration at the age of 57-year-old administered in arm left on 18Jun2021 2:50 pm at single dose for covid-19 immunisation. Medical history included hypothyroid (Maybe like 18 years she has had it), discoid lupus (it was probably in the year 2000 she was diagnosed). Concomitant drugs included thyroid drugs (unspecified) and vitamins. There was no additional Vaccines Administered on Same Date of the Pfizer Suspect. Prior Vaccinations (within 4 weeks), there was no other vaccinations within four weeks prior to the first administration date of the suspect vaccine. The patient received her first dose of the Pfizer covid-19 vaccine last Friday, and then two hours later she was in the Emergency Room due to a tingling, swollen tongue and rash on the neck on18Jun2021. She was treated with Benadryl, prednisone, and IV fluids. She thinks it was probably swollen some as well as having a rash on her neck that has still not gone away. The consumer reports she still has a light pink rash on her neck. Treatment, tongue tingling and swollen, felt itchy here and there on 18Jun2021, the patient stated what happened was two hours after the vaccine she felt itchy here and there but then she went to lay down and her tongue was tingling and she was like okay and trying to focus on what was happening. After a while, she felt her tongue swelling kind of in her throat, too, and it was like she tried to swallow hard and swallow and her husband took her to the ER and they gave her IV with Prednisone and Benadryl and sent her home with a pack of Prednisone - like a linger off pack - and Benadryl. The patient stated this all occurred on Friday, which was 18Jun2021. That went away but she has not gotten it again. Rash started right around then. It was right around her chest, up her chest, and it has gone down. Now it was in the middle of her neck and up to her chest. She feels like it has gotten better, but was still there. She first noticed it when she got home from the ER, she noticed a rash on her face too on 18Jun2021. The patient asked if call handler was registered nurse. The patient stated she called her primary this morning because she wanted to get in where they can check her and see if something was wrong. They would not see her because she had a rash and they could not let her come in. She states that they can not let her there because she has a rash and she told them it is more of a burn or a side effect. They were going to call her via video tomorrow since they do not want her in the office. The patient asked if she should continue to take the Benadryl and she does not even know at this point, she was still taking the Prednisone. Patient stated that her voice also changes, it got thicker and heavier at the same time on 18Jun2021. This was still not going on, she was speaking fine now. The patient adds her back started hurting on 21Jun2021. She did not know if it was related. It started this afternoon and it was still just there. The patient was not hospitalized. Adverse events results in Emergency Room Visit and Physician Office Visit. She received the vaccine at 2:50 pm and went to the ER at 6:08 pm. The patient added that she was discharged from the ER at 10:15 pm and was not admitted to the hospital. The outcome of event "Back started hurting" was not recovered, of event "it is more of a burn or a side effect" and "she noticed a rash on her face too" was unknown, of event "Rash on the neck/Rash: it started right around then. It was right around her chest, up her chest/ Now it is in the middle of her neck and up to her chest" was recovering and other events was recovered.