felt like he was losing gums, especially the left upper/gum disorder; arm did not feel normal/Arm discomfort; tooth pain; bad sore throat, not as painful as it was. Is painful in his voice, it is a little itchy; disoriented; body is sore/General body pain; Head is in little bit of fog/Brain fog; Sore throat; felt like his tooth was getting loose; Headache; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 75-year-old male patient received bnt162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), on 06Oct2023 at 18:00 as dose 1, single (Batch/Lot number: unknown) at the age of 75 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "cervical vertigo" (unspecified if ongoing); "positional vertigo" (unspecified if ongoing); "Vertigo" (unspecified if ongoing); "venous chronic insufficiency" (unspecified if ongoing); "Muscle discomfort" (unspecified if ongoing); "lesion in brainstem", start date: 2009 (unspecified if ongoing); "obese" (unspecified if ongoing); "migraines", start date: 1985 (unspecified if ongoing); "shingles" (unspecified if ongoing); "anxiety", start date: 1985 (unspecified if ongoing); "Back surgery" (not ongoing). Concomitant medication(s) included: INFLUENZA VACCINE taken for influenza immunisation as dose number unknown, single; HERPES SIMPLEX 1 VACCINE taken for immunisation as dose number unknown, single; SOMA DS taken for muscle discomfort; XANAX taken for anxiety, start date: 1985; NORCO (ongoing). Vaccination history included: bnt162b2 (DOSE 1, SINGLE, Anatomical Site of injection: probably left arm, Batch/Lot number: ER2613), administration date: 18Mar2021, for COVID-19 immunisation; bnt162b2 (DOSE 2, SINGLE, Batch/Lot number: EN6201), administration date: 07Apr2021, for COVID-19 immunisation; bnt162b2 (DOSE 3 (BOOSTER), SINGLE , LOT: BO155EA or 30155EA), administration date: 11Oct2021, for COVID-19 immunisation. The following information was reported: HEADACHE (non-serious) with onset 06Oct2023, outcome "not recovered"; LOOSE TOOTH (non-serious) with onset 06Oct2023, outcome "recovering", described as "felt like his tooth was getting loose"; OROPHARYNGEAL PAIN (non-serious) with onset 09Oct2023, outcome "unknown", described as "Sore throat"; GINGIVAL DISORDER (non-serious), outcome "unknown", described as "felt like he was losing gums, especially the left upper/gum disorder"; LIMB DISCOMFORT (non-serious), outcome "unknown", described as "arm did not feel normal/Arm discomfort "; TOOTHACHE (non-serious), outcome "unknown", described as "tooth pain"; THROAT IRRITATION (non-serious), outcome "unknown", described as "bad sore throat, not as painful as it was. Is painful in his voice, it is a little itchy"; DISORIENTATION (non-serious), outcome "unknown", described as "disoriented"; PAIN (non-serious), outcome "unknown", described as "body is sore/General body pain"; BRAIN FOG (non-serious), outcome "unknown", described as "Head is in little bit of fog/Brain fog". The events "felt like his tooth was getting loose", "felt like he was losing gums, especially the left upper/gum disorder" and "tooth pain" required physician office visit. Therapeutic measures were taken as a result of loose tooth, headache, oropharyngeal pain, gingival disorder, limb discomfort, toothache, throat irritation, disorientation, pain, brain fog.  Additional information: left shoulder, up a little bit higher than he normally gets it. Headache was reported as worsened. Within couple hours, teeth felt like, felt like he was losing gums, especially left upper. Had pretty good tooth pain in about 2 or 3 teeth following that. When he given the shot, was not really pain but, felt like dull not dull but, arm did not feel normal, felt more pronounced. Had a sore throat, head ache. Went to dentist yesterday, teeth were fine. It happened in area where he does not chew. Does not had teeth down below. It also went on to right side. Had sore throat, headache, as when he did when he had Covid but, not as bad. Had bad sore throat, not as painful as it was. Was painful in his voice, it was a little itchy. Was doing team lemon and butter in teat. Within a couple hours, felt like his tooth was getting loose. There was no pain at that moment, no soreness or aches, then became regular, can not bite down pain. Can barely felt it, it was nowhere near like it was Friday or Saturday. Friday, Saturday, Sunday, Monday, had not really chewed on that side. Pushing up on tooth now, was now near dull ache, not sharp pain. Treatment: Just Aspirin. Had a strange headache, did not recognize it. Clarified headache started same day, Friday night, 06Oct2023, some hours later. Was more pronounced yesterday than today and worse than Friday or Saturday. It was messing with his vertigo, hard. Had gotten worse. Does not had tooth ache because his body was sore, that was what hurts the worst. Would forgo medication for that. Today, sore throat was pretty pronounced. It was not very painful but sore. Yesterday was more sore than today. Started on Monday, 09Oct2023. It was just there, probably because he keeps trying to talk. Probably should not be talking. Thinks it was making it worse Gargled with drink, apple cider. Did not think that helps, if it was supposed to. It was really tough going down. Last time, got flu shot, and the other one, with the R, does not know what abbreviation. Gave him 2 shots in the arm, same arm ,were given very closely. Was painful when injected with the other one of the flu. Head was in little bit of fog. He had to, in order to see the dentist. When he did see dentist, he was in full hazmat suit, with oxygen. Did take Alka seltzer when he had the headaches. he had been taking those 2 drugs combined with Norco, one of the opiate drugs. It had been 6 months, only because he had back surgery. Was prescribed 20 pill, may have taken 5. Did not like the Norco, it made him nauseas. The hospital gave him something to take for nausea, guess it worked, does not really know. Does not take that stuff.   The information on the batch/lot number for bnt162b2 omi xbb.1.5 has been requested and will be submitted if and when received.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300327655 same patient/product, different dose number, different event;