swollen lymph nodes opposite arm of the shot; Lymphedema; her other arm turned huge and red just like she had a bug bite; her other arm turned huge and red just like she had a bug bite; her other arm turned huge and red just like she had a bug bite; felt sick all over; she was so exhausted she couldn't get up; severe migraine headache; headache/head ache; chills; fever; This is a spontaneous report from a contactable other healthcare professional (patient). A 67-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE), dose 1 via an unspecified route of administration, administered in Arm Left on 19Aug2021 in the evening (at the age of 67-year-old) (Lot Number: FD8448) as single dose for COVID-19 immunization. Medical history included breast cancer in 1999, lymphedema in the right arm/ lymphedema arm from having had breast cancer. Family medical history relevant to AE(s) was none. There were no concomitant medications. The patient had no history of previous immunization with the Pfizer vaccine considered as suspect. The patient had no additional vaccines administered on same date of the Pfizer suspect. The patient had no Prior Vaccinations (within 4 weeks). No AE(s) following prior vaccinations. The patient experienced severe migraine headache, headache, chills, fever since 19Aug2021, swollen lymph nodes opposite arm of the shot, Lymphedema since 30Aug2021. The patient reported that immediately after the shot, she came home and she was so exhausted she couldn't get up; then the headache from hell started and has lasted five straight days; she also had a temperature of 99.8 for five days and chills; she had no breaks. She just felt sick all over. Then last day (30Aug2021) her other arm turned huge and red just like she had a bug bite. Added this was her lymphedema arm from having had breast cancer. States you can't find any bites or site that would have made her arm swell. When she spoke to the pharmacist he said you won't believe how many of these we are getting. Last night she had the headache again, it was not letting up; no matter what she eats or drinks it was not getting better. She was asking how long this was supposed to last. Added she had her grandkids last night, she was so sick with the headache she couldn't tend to them. Last night was the second time that the headache was that debilitating, she couldn't get out of bed. The patient didn't go to the doctor because she thought it would pass; and she won't go to the hospital because there was just too much stuff in there. Caller mentioned she had spoken with the doctor's secretary who was keeping the doctor informed. Mentions she went today (31Aug2021) to get a D Dimer test in case she has a blood clot in her arm. No results provided. The patient states she has had a severe reaction to it. She was against it; and was scared into it because her sister just died of COVID. Caller was upset; mentions they just laid her sister to rest on Sunday. Adds the hospital blew her lungs out; they gave her too much oxygen. Her sister was in 23 days in the hospital. Vaccination card says her next dose should be 09Sep2021. Caller mentions she spoke with the pharmacist who told her not to get the second dose. AE(s) did not require a visit to Emergency Room or Physician Office. Outcome of the event her other arm turned huge and red just like she had a bug bite was unknown; other events was not recovered.