This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient. A 73 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 08Oct2021 15:00 (Lot number: 30130BA) at the age of 73 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (Prev dose product : COVID 19, Prev dose brand : Pfizer , Prev dose brand unknown : False, Prev dose lot number : EP7534, Prev dose lot unknown : False,, Prev dose administration date : 21Mar2021, Prev dose administration time : 11:00AM, Prev dose dose number : 2, Prev dose vaccine location : Left arm, Dose: 2nd, Date/Time: 21Mar2021; Time: 11:00, Site and route of injection: Anatomical site of injection: arm; Route of administration: Intramuscular, Batch/Lot number: EP7534), administration date: 21Mar2021, when the patient was 73 years old, for COVID-19 immunization; Bnt162b2 (Prev dose product : COVID 19, Prev dose brand : Pfizer, Prev dose brand unknown : False, Prev dose lot number : EN6203, Prev dose lot : unknown, Prev dose administration date : 28Feb2021, Prev dose administration time : 11:00AM, Prev dose dose number : 1, Prev dose vaccine location : Left arm, Dose: 1st, Date/Time: 28Feb2021; Time: 11:00, Site and route of injection: Anatomical site of injection: arm; Route of administration: Intramuscular, Batch/Lot number: BN6203), administration date: 28Feb2021, when the patient was 73 years old, for COVID-19 immunization.The following information was reported: RASH PRURITIC (non-serious) with onset 08Oct2021 23:00, outcome "recovered" (Oct2021), described as "itchy rash"; LYMPHADENOPATHY (non-serious) with onset 08Oct2021 23:00, outcome "recovering", described as "severe lymph node swelling under the arm"; INJECTION SITE ERYTHEMA (non-serious), INJECTION SITE SWELLING (non-serious) all with onset 08Oct2021 23:00, outcome "recovered" (Oct2021) and all described as "Redness and swelling around the injection site"; PYREXIA (non-serious) with onset 08Oct2021 23:00, outcome "recovered", described as "102 fever"; BACK PAIN (non-serious) with onset 08Oct2021 23:00, outcome "recovered", described as "severe lower back pain that felt like knives"; PAIN IN EXTREMITY (non-serious) with onset 08Oct2021 23:00, outcome "recovered", described as "hands were painful as well as my legs/ hands were painful as well as my legs/Arm & Hand pain"; FATIGUE (non-serious) with onset 08Oct2021, outcome "recovered", described as "Extreme Exhaustion"; IMMUNISATION (non-serious) with onset 08Oct2021 23:00, outcome "recovered", described as "3rd dose"; LYMPH NODE PAIN (non-serious) with onset 09Oct2021, outcome "unknown", described as "Severe lymph node pain under injected armpit". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of rash pruritic, lymphadenopathy, injection site erythema, injection site swelling, pyrexia, back pain, pain in extremity, immunisation. Additional information: The patient did not receive any other vaccine in four weeks. The patient receive Simavastin 40 mg 1x Lisinipril 20 mg 1x in two weeks. Clinical course: Patient reported that my main concern is due to the severe reaction I had from the third shot as compared to the 2nd one if it suggested to get a 4th in 6month I am concerned about the possible reaction being much worse. That is why I reached out to pfizer in the first place.