Received the Pfizer BioNTech Covid-19 Booster Dose; She got the covid booster last Tuesday and has been sick ever since; Nausea; Swollen lymph nodes; Fever; Chills; swollen "coated" tongue; Feeling unwell; Headache; Joint pain; Fast heartbeat; Dizziness; Injection site pain; Muscle pain; Tiredness; Weakness; This is a spontaneous report from a contactable consumer or other non-HCP (patient herself) via Medical Information Team. A 79-year-old female patient received third dose of BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- 301558A) via an unspecified route of administration in left arm on 28Sep2021 18:30 (at the age of 79-years-old) as dose 3 (booster), single for COVID-19 immunization. Vaccine was not administered at a military facility. Patient medical history included blood pressure abnormal from an unknown date and unknown if ongoing, hypothyroidism and hyperthyroidism from an unknown date and unknown if ongoing. Was hyperthyroidism and treated and now it was hypothyroidism and takes medicines to keep it level. Diagnosed about 40 years ago. The concomitant medications included ongoing amlodipine strength 2.5mg tablet once a day by mouth (orally) at a dose of 2.5 mg taken for blood pressure, ongoing levothyroxine strength 75 ug tablet once a day by mouth (orally) at a dose of 75 ug taken for hypothyroidism. Historical vaccine included first dose of BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- EL9269) via an unspecified route of administration on 02Mar2021 as dose 1, single and received second dose of BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- EN6206) via an unspecified route of administration on 23Mar2021 as dose 2, single for COVID-19 immunization. She experienced post the first dose and second dose minimal symptoms such as light fever, light chills, arm hurt, muscle pain and aches. The symptoms were gone within 12 hours overnight. Prior vaccinations within 4 weeks was reported as none. She stated that she received the Pfizer BioNTech COVID-19 booster dose and had experienced nausea, swollen lymph nodes, fever, chills, and a swollen coated tongue. She stated she had no adverse events with the first two doses, but began experiencing these adverse events 10 hours after receiving the booster dose of the vaccine. She stated she had felt this way for seven days and is going to see her doctor tomorrow to see if anything else was going on. She reported testing negative for COVID-19 today. She was asking how long the booster dose had been available. She was asking for percentages of adverse reactions experienced by patients in the clinical trial for the booster dose of the vaccine. She was calling about the Pfizer COVID booster. She received first two doses in Mar2021 and Apr2021 (as reported). She got the covid booster last Tuesday and has been sick ever since. She was given a list of everything that was in it. She had all the side effects on the sheet except myocarditis and pericarditis. She was asking how long has it been out and how many bad effects have they heard about, in regards to percentages. The side effects that started 12 hours after the original injection were fast heart-beat was first thing she noticed, dizziness, weakness, injection site pain, tiredness, headache, muscle pain, chills, joint pain, fever, nausea without actual bringing up content, feeling unwell, swollen lymph nodes, and felt her tongue was swollen at night, it was big. The reported seriousness of the adverse events was non-serious. She was very healthy and takes minimal pills. Additional information for concomitant products included dispensed in a pharmacy vial and does not see manufacturer. On an unspecified date in Sep2021, the patient experienced nausea, fever, chills, felt her tongue was swollen at night, it was big, feeling unwell, headache, joint pain, fast heartbeat, dizziness, muscle pain, tiredness, weakness, swollen lymph nodes, injection site pain. 40 percent improvement with the rest of the side effects mentioned as of now in Sep2021. She was calling the doctor and they were telling her she was fine and told her to drink water and take aspirin/ibuprofen. The patient underwent lab tests and procedures which included heart rate with result as fast on an unspecified date in Sep2021. On 05Oct2021, Sars-Cov-2 test with result as negative. Therapeutic measures were taken as a result of the events. The outcome of the events nausea, fever, chills, felt her tongue was swollen at night it was big, feeling unwell, headache, joint pain, fast heartbeat, dizziness, muscle pain, tiredness, weakness was recovering. The outcome of the events swollen lymph nodes, injection site pain was resolved on an unspecified date in 2021. The outcome of the event illness was unknown.   No follow-up attempts are possible. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101387627 similar report from same reporter