Severe headache; Dizziness; Pain in my neck area; cruel pain; about every 30 seconds, I got the sharp pain; tired of it; Breathing problems; Loss of appetite; Loss of wanting to drink water for a long period; Lethargic; Little bit of the swollen arm; This one (Comirnaty) has kept me, knocked me out now; i cannot hear while talking; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  An 81-year-old female patient received bnt162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), on 21Sep2023 at 18:00 as dose 1, single (Lot number: HH7595, Expiration Date: 31Dec2024) at the age of 81 years intramuscular, in right arm for covid-19 immunisation. The patient's relevant medical history included: "swollen arm" (unspecified if ongoing), notes: Unspecified Pfizer Shot. Concomitant medication(s) included: LISINOPRIL. The following information was reported: DYSPNOEA (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Breathing problems"; DIZZINESS (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023); LETHARGY (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Lethargic"; PERIPHERAL SWELLING (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Little bit of the swollen arm"; DECREASED APPETITE (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Loss of appetite"; THIRST DECREASED (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Loss of wanting to drink water for a long period"; NECK PAIN (non-serious) with onset 21Sep2023, outcome "not recovered", described as "Pain in my neck area; cruel pain; about every 30 seconds, I got the sharp pain; tired of it"; HEADACHE (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "Severe headache"; FATIGUE (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "This one (Comirnaty) has kept me, knocked me out now"; HYPOACUSIS (non-serious) with onset 21Sep2023, outcome "recovered" (Sep2023), described as "i cannot hear while talking". Therapeutic measures were taken as a result of headache, neck pain. Additional information: NDC number of Comirnaty was reported as 00069-2362-10. The patient did not take any prior vaccine within 4 weeks. The patient wanted to report an adverse effect or side effect from taking this new Covid shot (Covid 23/24 FDV). The events were severe headache, dizziness, pain in her neck area, she got the shot on 21Sep and had breathing problems, loss of appetite, loss of wanting to drink water for a long period, lethargic. Her neck hurt so bad that she could not hear while talking. Consumer takes other medications, but all the other unspecified Pfizer shot she had, she did not have any problem other than just a little bit of the swollen arm with them, and this one has kept her, knocked her out now. Patient stated that all now about have gone away except her cruel pain in her neck about every 30 seconds, she got the sharp pain in her neck and had it since the day and was tired of it. She did not have a headache, the headache was gone, the dizziness was gone. The patient had not taken anything as treatment other than just Ibuprofen about every 4 hours, she takes once.