right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red; got a little nodule like blisters all over her arm; right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red; she experienced at night a heaviness in her arm; drove her insane with the itchiness of it and she wanted to rip her skin apart; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 74-year-old female patient received BNT162b2 (BNT162B2), on 20Apr2022 as dose 4 (booster),single (Lot number: FP4554) at the age of 74 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Folliculitis" (ongoing), notes: Folliculitis, States she has a long word and it is folliculitis and it is inflammation of the hair in the skin and got it from who knows what and she has been to a dermatologist and to different dermatologists and has had that diagnosed about 2 years ago.; "Shingles" (ongoing), notes: Shingles, Caller states she was diagnosed with shingles maybe 10-12 years ago. The patient's concomitant medications were not reported. Vaccination history included: BNT162b2 (1st dose of the Pfizer Covid vaccine was on 13Jan2021 and has the lot number that must be E11284 and her patient card is handwritten and has no expiry dates or NDC numbers written on it;), administration date: 13Jan2021, when the patient was 72-year-old, for COVID-19 immunization; BNT162b2 (Pfizer Covid vaccine 2nd dose was very soon and was on 03Feb2021 with lot E19263;), administration date: 03Feb2021, when the patient was 73-year-old, for COVID-19 immunization; BNT162b2 (First booster dose was on 25Aug2021 with lot FD8448), administration date: 25Aug2021, when the patient was 73-year-old, for COVID-19 immunization, reaction(s): "Erythema"; Flu vaccine (flu vaccine in December). The following information was reported: PERIPHERAL SWELLING (medically significant), ERYTHEMA (non-serious), outcome "unknown" and all described as "right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red"; BLISTER (medically significant), outcome "unknown", described as "got a little nodule like blisters all over her arm"; LIMB DISCOMFORT (non-serious), outcome "unknown", described as "she experienced at night a heaviness in her arm"; PRURITUS (non-serious), outcome "unknown", described as "drove her insane with the itchiness of it and she wanted to rip her skin apart". The events "right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red", "got a little nodule like blisters all over her arm" and "she experienced at night a heaviness in her arm" required physician office visit. Additional Information: Caller states she is calling about her 2nd booster and verified later in the call it was the Pfizer Covid vaccine and states she got without a doubt and including her doctor's opinion, the worst reaction to her 2nd booster 10 days ago and had it done in (Pharmacy name) and her right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red; states she could still feel the vaccine dose in the middle of her arm. States she got a little nodule like blisters all over her arm and should probably send pictures but now it is beet red and turned purple in the middle and thought maybe it was blood vessels and was a little red all around it and it is a little better; states this began after her 2nd dose was done on 20Apr2022.Caller states her 1st dose of the Pfizer Covid vaccine was on 13Jan2021 and has the lot number that must be E11284 and her patient card is handwritten and has no expiry dates or NDC numbers written on it; states her Pfizer Covid vaccine 2nd dose was very soon and was on 03Feb2021 with lot E19263; states the first booster dose was on 25Aug2021 with lot FD8448 and her 2nd booster was on 20Apr2022 with she initially states lot FTHSSY and then clarified the handwriting is very hard to understand and the lot is FP4554. Caller states on her 1st booster of the Pfizer Covid vaccine on 25Aug2021, her left arm also got red and was not as bad as this current issue and has resolved but she does not know and there are remnants of a circle there and this also began the next day after her 1st booster dose. Caller states she did everything she could before she went to the doctor and went to the doctor and they said she better get on an antibiotic cream and this was without a doubt the worst experience and they thought it was shingles and she had shingles and had this with the 1st booster but it was nothing in comparison to what happened with the 2nd booster. States she was married to a doctor and does not complain that much and she has a lot of things wrong but is grateful. Patient details: Caller states she was age 74 when the reaction to the booster dose occurred. HCP information: Caller states she has no further HCP details to provide. States she does everything in a specific location but they are all specialized. Caller states for her arm being the size of the moon and beet red that began two days later after the 2nd booster dose and the next day she experienced at night a heaviness in her arm and it hurt but she did not pay attention to it and took two Tylenol and it turned the color of the sun two days later; states but the sun is not red so it was like the color of Jupiter and was as red as it could be and it drove her insane with the itchiness of it and she wanted to rip her skin apart; states she tried Calidril and was in the shower and thought the blood would flow more with hot and tried cold and the cold made it worse and she went to the doctor; states for the Tylenol and Calidril, she has no dosages, lots, expiry dates or further details to provide but for those and everything in her house, they are up to date and she is neurotic when it comes to this and nothing less or she has everything thrown out. Vaccine Lot Number: States the first booster dose was on 25Aug2021 with lot FD8448 and her 2nd booster was on 20Apr2022 with she initially states lot FTHSSY and then clarified the handwriting is very hard to understand and the lot is FP4554. Vaccine Lot Expire Date: unknown. Time the Vaccination Was Given: States she had the 1st booster dose in the morning around 11:00am and the 2nd booster dose at 10:00am and thought the 2nd booster dose was scheduled really wrong and they were giving it to her but it had not really been enough but it was 6 months so guess it was fine. Anatomical Location of Administration of Pfizer vaccine considered as suspect: 1st booster does in left arm and 2nd booster dose in right arm Vaccination Facility Type: 1st booster dose was in a park and 2nd booster dose was in (pharmacy name). Caller states she got the 1st booster dose at. The girl that did that one was not even a pharmacist and was a helper. Her 2nd booster dose was at (Pharmacy name) and she does not know the address.  History of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available): Caller states her 1st dose of the Pfizer Covid vaccine was on 13Jan2021 and has the lot number that must be  E11284 and her patient card is handwritten and has no expiry dates or NDC numbers written on it; states her Pfizer Covid vaccine 2nd dose was very soon and was on 03Feb2021 with lot E19263; states the first booster dose was on 25Aug2021 with lot FD8448 and her 2nd booster was on 20Apr2022 with she initially states lot FTHSSY and then clarified the handwriting is very hard to understand and the lot is FP4554. The worst reaction to her 2nd booster 10 days ago and had it done in (Pharmacy name) and her right arm on the top of it like midway on her arm where they gave her the vaccine turned the size of the moon and was beet red; States she got a little nodule like blisters all over her arm and should probably send pictures but now it is beet red and turned purple in the middle and thought maybe it was blood vessels and was a little red all around it and it is a little better; states this began after her 2nd dose was done on 20Apr2022. Caller states on her 1st booster of the Pfizer Covid vaccine on 25Aug2021, her left arm also got red and was not as bad as this current issue and has resolved but she does not know and there are remnants of a circle there and this also began the next day after her 1st booster dose.  Patient did not require a visit to Emergency Room but visited Physician Office. Prior Vaccinations (within 4 weeks): States she maybe did a flu vaccine in December and had nothing in her at the time of her booster Pfizer Covid vaccine doses; states they would not give her the name, dosage, manufacturer, lot number, expiry date or NDC for her flu vaccine. States she asks a lot of questions and should but has that right as it is her body. AE(s) following prior vaccinations: n/a. Caller states she was diagnosed with shingles maybe 10-12 years ago. Caller states for the antibiotic cream she is taking, if she can pronounce it, it is Mupirocin USP 2 percent. Caller asks was she right to call Pfizer about this and aware of the reason for the safety report and states she hopes this gets better. she got on an antibiotic cream and it is if she can pronounce it, it is Mupirocin USP 2 percent. Product strength and count size dispensed:   F/U PRD/SRD(04May2022) No follow-up attempts are possible. No further information is expected