Feels like she has shingles inside her body; She said the burning, stinging pain was "4 inches wide going down to her panties; She said the burning, stinging pain was "4 inches wide going down to her panties; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient. Other Case identifier(s): US-PFIZER INC-202101351908 (Pfizer).  A 88 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in arm right, administration date 28Sep2021 (Lot number: FF8839) at the age of 88 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Diastolic heart failure" (ongoing), notes: Ongoing for a long time, at least a couple of years; "Atrial fibrillation" (ongoing), notes: Ongoing for a long time, at least a couple of years; "Pulmonary hypertension" (ongoing), notes: Ongoing for a long time, at least a couple of years; "Sleep apnea" (ongoing), notes: uses CPAP breathing machine for this condition. Ongoing for a long time, at least a couple of years. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1, Single Lot: EL3247, right arm muscle,Administering facility: pharmacy), administration date: 18Jan2021, when the patient was 87 years old, for covid-19 immunization; Bnt162b2 (Dose 2, Single, Lot: EN5318, right arm muscle, Administering facility: pharmacy), administration date: 08Feb2021, when the patient was 87 years old, for covid-19 immunization. The following information was reported: HERPES ZOSTER (non-serious) with onset 30Sep2021, outcome "not recovered", described as "Feels like she has shingles inside her body"; BURNING SENSATION (non-serious), PAIN (non-serious) all with onset 30Sep2021, outcome "unknown" and all described as "She said the burning, stinging pain was "4 inches wide going down to her panties". The events "feels like she has shingles inside her body", "she said the burning, stinging pain was "4 inches wide going down to her panties" and "she said the burning, stinging pain was "4 inches wide going down to her panties" were evaluated at the physician office visit.  Additional information: The patient stated that; she feels like she has shingles inside her body: Time of onset unknown. She clarified that this feeling is not on the outside of her body, there are no bubbles, no nothing; but she is in agony, she has burning stinging pain that started around where she hooks her bra, and she can't wear her bra due to this event; she is in constant discomfort; but now the affected area has spread from where she hooks her bra, now it is going down into her panties. The pain doesn't go away, and she is embarrassed to be around people. She has not had to have any visit to emergency room or hospitalization but has been to the doctor's office. The doctor didn't know what was causing this. Then she has also just gone to her heart surgeon for her normal check-up. The heart surgeon could not imagine what event could be from. She has had no relevant testing done, she asked this morning if she could get a test for shingles, to make sure it is or isn't shingles but hasn't gotten response yet.  No follow-up attempts are possible. No further information is expected.