low fever feeling like she's burning up; low fever feeling like she's burning up; neck is swollen/ neck is swollen with a fluidy lump; right arm started to swell/ swelling and fluidy lump under her right armpit; have lump under her right arm which is a fluidly lump/ swelling and fluidy lump under her right armpit; having some terrible problems trying to breathe; swelling and fluidy lump areas are travelling which is starting to bother her because it is moving; swelling and fluidy lump areas in neck and under her right armpit are sore to the touch; her head being super sore.; received the booster dose of the Pfizer-BioNTech COVID-19 Vaccine on 01Dec2021; Pain in right arm; Pain; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 69 year-old female patient received bnt162b2 (COMIRNATY), administered in arm right, administration date 01Dec2021 (Lot number: FG3527) at the age of 69 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "problems with her back, the discs in her back", start date: 2004 (ongoing); "allergies" (unspecified if ongoing); "compromised immune status" (unspecified if ongoing); "respiratory illness" (unspecified if ongoing); "genetic/chromosomal abnormalities" (unspecified if ongoing); "endocrine abnormalities" (unspecified if ongoing); "diabetes" (unspecified if ongoing); "obesity" (unspecified if ongoing). The patient took concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, Lot- EL9266; Expiry: May2021, right arm), administration date: 11Feb2021, when the patient was 68 years old, for COVID-19 immunization, reaction(s): "Zero reaction"; Bnt162b2 (Dose 2,EN6205,Expiry: Jun2021, right arm), administration date: 26Feb2021, when the patient was 68 years old, for COVID-19 immunization, reaction(s): "First dose:administered: 11Feb2021/ Second dose: Date administered: 26Feb2021"; Pneumonia shot (second dose), for Immunization, reaction(s): "Pain", "left arm had blown up like a balloon from the elbow up to her shoulder"; Pneumonia shot (First dose), for Immunization. The following information was reported: IMMUNISATION (non-serious) with onset 01Dec2021, outcome "unknown", described as "received the booster dose of the Pfizer-BioNTech COVID-19 Vaccine on 01Dec2021"; PYREXIA (non-serious), BURNING SENSATION (non-serious) all with onset 02Dec2021, outcome "not recovered" and all described as "low fever feeling like she's burning up"; SWELLING (non-serious) with onset 02Dec2021, outcome "not recovered", described as "neck is swollen/ neck is swollen with a fluidy lump"; PERIPHERAL SWELLING (non-serious) with onset 02Dec2021, outcome "not recovered", described as "right arm started to swell/ swelling and fluidy lump under her right armpit"; MASS (non-serious) with onset 02Dec2021, outcome "not recovered", described as "have lump under her right arm which is a fluidly lump/ swelling and fluidy lump under her right armpit"; PAIN (non-serious) with onset 01Dec2021, outcome "not recovered", described as "Pain"; DYSPNOEA (non-serious) with onset 02Dec2021, outcome "not recovered", described as "having some terrible problems trying to breathe"; FEELING ABNORMAL (non-serious) with onset 02Dec2021, outcome "not recovered", described as "swelling and fluidy lump areas are travelling which is starting to bother her because it is moving"; PAIN OF SKIN (non-serious) with onset 02Dec2021, outcome "not recovered", described as "swelling and fluidy lump areas in neck and under her right armpit are sore to the touch"; PAIN IN EXTREMITY (non-serious) with onset 01Dec2021, outcome "not recovered", described as "Pain in right arm"; HEADACHE (non-serious) with onset 02Dec2021, outcome "not recovered", described as "her head being super sore.". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pyrexia, burning sensation, swelling, peripheral swelling, mass, pain, dyspnoea, feeling abnormal, pain of skin, pain in extremity, headache.  Additional information: The patient that received the booster dose of the Pfizer-BioNTech COVID-19 Vaccine on 01Dec2021. She develops side effects including low fever feeling like she's burning up. Her neck is swollen. Her right arm started to swell. She also has lump under her right arm which is a fluidly lump, the same kind of swelling in her neck. She noted that those areas are travelling and sore to touch. She also reported having some terrible problems trying to breathe. She is trying to get information about these side effects. She was wondering why she is having these side effects when she had zero side effects with the first and second dose. She is worried that she might have gotten a placebo. She also noted that she and her husband had zero side effects with no pain even in the arm. She was prescribed with Advair by her doctor. What really bothers her is the swelling as it keeps moving. It would be in her neck the next day it would be somewhere else. She is experiencing with the Pfizer Booster Shot for Covid further described as: Pain; She has a low fever, but is burning up; her neck is swollen with a fluidy lump; She also has swelling and fluidy lump under her right armpit which is not hard but is the same thing as what she has on her neck which is fluid she is assuming; the swelling and fluidy lump areas are travelling which is starting to bother her because it is moving; and those areas in neck and under her right armpit are sore to the touch. For the past couple of days, she has been having terrible problems trying to breathe. She reported these adverse events are kicking her rear end. The provided onset dates and times of these events: 01Dec2021: Both Pain and soreness in right arm-onset time unknown other than in the evening while she was in bed she turned over onto her right side and the right arm was sore. She assumed it was because she got the Pfizer Booster Shot for Covid. The pain is persistent, getting pain every day; includes her head being super sore. Left arm blew up like a balloon after she was administered the second dose of Pneumonia shot (Unknown if in 2021 or 2020.); she had to go to the emergency room at about 04:00 because she was in pain and couldn't get comfortable in bed because her left arm had blown up like a balloon from the elbow up to her shoulder. She went to the emergency room and thinks they gave her something, unknown if it was Benadryl or something else; and then they gave her 1 tablet of Hydrocodone, dosage unknown; and she thinks they gave her a prescription for something. Self-treatment for these events provided by caller to include having taken 4 Tylenol, but not at one time; taken 1 Hydrocodone; taken some Aspirin; Used a heating pad for her neck and back pain; for the terrible time trying to breathe she got a purple disc and took a puff of that. She verified that there have been no other testing/investigations/treatment/medical interventions performed relative to any of these events.   Follow-up attempts completed. No further information expected.