swelling and inflammation in neck; swelling and inflammation in neck; lethargic; Hot flash; This is a spontaneous report from a contactable other health care professional. A 64-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot number was not reported) via intramuscular, administered in Arm Right on 05Mar2021 at 09:30 (at the age of 64-year-old) as single dose for covid-19 immunisation. Medical history included back injury (she had a prescheduled steroid pain injection for her back injury that she's had for 30 years), food allergy (she has a lot of food sensitivities). Concomitant medications included steroid injection. Patient historic vaccine included flu shot received on an unspecified date in Oct2020. History of all previous immunization with the Pfizer vaccine considered as suspect was reported as none. Additional vaccines administered on same date of the Pfizer Suspect was reported as none. Prior Vaccinations (within 4 weeks) was reported as none. On 05Mar2021 the patient experienced swelling and inflammation in neck, lethargic and hot flash. It was reported that She received her first injection on 05Mar2021 and that wasn't the problem. There really isn't a problem. She had a prescheduled steroid pain injection for her back injury that she's had for 30 years. She was told afterwards that the steroid injection may affect the vaccine effectiveness or outcome if steroids are added in to soon. Patient stated that She had no swelling, no pain, no discoloration and no warmth at the site. She had sensitivity approximately 24 hours after injection. Then she had typical responses. Friday night, 05Mar2021 to Saturday, 06Mar2021 night she took it easy. Her second Covid 19 vaccine is scheduled for 23Mar2021. She last had a steroid injection on 10Mar2021. That was in a series of 3 steroid injections that were spaced about a month apart. She won't have another steroid injection for about 6 months. Patient asked a question was the 5 days from when she had a steroid injection and the Covid 19 vaccine to close together. She has a lot of food sensitivities. They can give severe headaches and she does have a neck and back injury. She has inflammation in those areas and has a lot of swelling. It gave her a lot of discomfort, but she thinks that is secondary to her neck and back injury. She does report being lethargic and a hot flash. She doesn't think she had chills, not a fever. Clarified when discussing inflammation, she is speaking of her neck and discomfort that she's been dealing with for many years. She has a fusion in both her upper and lower back. It was reported that she had ballooned to 175 in this pandemic and at her age with no estrogen it's harder. She typically gets side effects, but she had minimal side effects. No worse than the annual flu shot. And she did get a flu shot in Oct2020. The patient underwent lab tests and procedures which included weight: 175 on unspecified date When querying weight, she reports she has ballooned to 175 in this pandemic and at her age with no estrogen it's harder, weight: ballooned on unspecified date reported that when querying weight she reports she has ballooned to 175 in this pandemic and at her age with no estrogen it's harder. Patient did not require to visit emergency room or physician office due to adverse events. No relevant test was performed. The outcome of events was unknown.   No follow-up attempts are possible; information about lot/batch number cannot be obtained.