anxiety attacks; red blowing up arm/caused her arm to blow up; mild fatigue; arm hurt; arm swelled up; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  An 83-year-old female patient received bnt162b2, bnt162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), as dose 6 (booster), single (Batch/Lot number: unknown), in arm for covid-19 immunisation. The patient's relevant medical history included: "anxiety" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE), for COVID-19 immunisation, reaction(s): "her arm hurt with the previous doses", "her arm hurt with the previous doses too"; Bnt162b2 (DOSE 2, SINGLE), for COVID-19 immunisation, reaction(s): "her arm hurt with the previous doses too", "her arm hurt with the previous doses too"; Bnt162b2 (DOSE 3 (BOOSTER), SINGLE), for COVID-19 immunisation, reaction(s): "Anxiety attacks", "mild fatigue", "her arm hurt with the previous doses too", "her arm hurt with the previous doses too"; Bnt162b2 (DOSE 4 (BOOSTER), SINGLE), for COVID-19 immunisation, reaction(s): "her arm hurt with the previous doses too", "her arm hurt with the previous doses too"; Bnt162b2;bnt162b2 omi ba.4-5 (DOSE 5 (BOOSTER), SINGLE), for COVID-19 immunisation, reaction(s): "her arm hurt with the previous doses too", "her arm hurt with the previous doses too". The following information was reported: ANXIETY (non-serious), outcome "unknown", described as "anxiety attacks"; ERYTHEMA (non-serious), outcome "unknown", described as "red blowing up arm/caused her arm to blow up"; FATIGUE (non-serious), outcome "recovered", described as "mild fatigue"; PAIN IN EXTREMITY (non-serious), outcome "unknown", described as "arm hurt"; VACCINATION SITE SWELLING (non-serious), outcome "unknown", described as "arm swelled up".  Additional information: Reporter said that she had taken six of the Pfizer Covid-19 vaccines and got an anxiety condition after they took the last one. She informed that they usually went to the pharmacy to take her vaccines but this time they went to her doctor's office and the woman who administered the vaccine gave it too low in her arm and caused her arm to blow up. Reporter said that her arm swelled up and she got a lot of anxiety attacks. She stated that the vaccine she took was a lot more stronger than what they usually got. She did not know if there was any of the ingredients in the vaccine was a stimulant because she could not drank coffee and epinephrine and she would like to know the ingredients of the vaccine. Patient stated she already had a diagnosed anxiety condition. After the shot, she had "consistent anxiety attacks, about a month before they went away and subsided with time.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300350307 Same patient/product, different dose (dose 1)/events;US-PFIZER INC-202300350308 Same patient/product, different dose (dose 2)/events;US-PFIZER INC-202300350309 Same patient/product, different dose (dose 3)/events;US-PFIZER INC-202300350310 Same patient/product, different dose (dose 4)/events;US-PFIZER INC-202300350311 Same patient/product, different dose (dose 5)/events;