left arm pit was swollen; booster; severe vertigo event; severe migraines; If he tried to look at something or tried reading, within a page or 2, he would get a splitting headache; having trouble, basically doing anything, with work and leisure; he could not get off of the recliner for 3 days and has no energy, nothing; hands got tingly and went numb for a while. The sensation of the tingling was not normal; hands got tingly and went numb for a while. The sensation of the tingling was not normal; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 42 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 20Dec2021 18:30 (Lot number: FJ1611) at the age of 42 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Vertigo" (unspecified if ongoing), notes: Verbatim: Vertigo, his mom also suffers from vertigo. There were no concomitant medications. Vaccination history included: Bnt162b2 (First Dose, Lot: GP6855, Route, Anatomical Location: left arm), administration date: 24Mar2021, when the patient was 41 years old, for Covid-19 Immunization, reaction(s): "It was a slight hangover about a day or 2 after the first 2 Covid shots"; Bnt162b2 (Second Dose, Lot: ER8735, Route, Anatomical Location: left arm), administration date: Apr2021, when the patient was 41 years old, for Covid-19 Immunization, reaction(s): "It was a slight hangover about a day or 2 after the first 2 Covid shots". The following information was reported: IMMUNISATION (non-serious) with onset 20Dec2021 18:30, outcome "unknown", described as "booster"; VERTIGO (non-serious) with onset Dec2021, outcome "not recovered", described as "severe vertigo event"; MIGRAINE (non-serious) with onset Dec2021, outcome "not recovered", described as "severe migraines"; HEADACHE (non-serious) with onset Dec2021, outcome "not recovered", described as "If he tried to look at something or tried reading, within a page or 2, he would get a splitting headache"; LYMPHADENOPATHY (non-serious) with onset 21Dec2021, outcome "recovering", described as "left arm pit was swollen"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset Dec2021, outcome "unknown", described as "having trouble, basically doing anything, with work and leisure"; ASTHENIA (non-serious) with onset Dec2021, outcome "unknown", described as "he could not get off of the recliner for 3 days and has no energy, nothing"; HYPOAESTHESIA (non-serious), PARAESTHESIA (non-serious) all with onset Dec2021, outcome "recovered" (Dec2021) and all described as "hands got tingly and went numb for a while. The sensation of the tingling was not normal". Therapeutic measures were taken as a result of vertigo, migraine, headache, hypoaesthesia, paraesthesia.  Additional Information: Patient stated that he was calling regarding the Covid booster shot. He states that he got the booster shot last Monday. Approximately 48 hours later, he had a severe vertigo event. He stated that he was suffer from vertigo and had it in the past. This is by far the worst he ever had. He also had severe migraines and had been using pills that he had to try and knock them down. Since that time, the headaches had not gone away. He stated that he had been reads quite a bit for work and pleasure and he can't even pick up a book and dread because of this splitting headache. He stated that prior to the booster, he had not a vertigo event in over 3 years. It had been highly dormant, and he had no issues. He had been a little concerned about that because he was having trouble, basically doing anything, with work and leisure. He had been other side effects as well. He states that he could not get off the recliner for 3 days and had no energy, nothing. Severe vertigo event. Patient stated that, severe vertigo event started right about 48 to 50 hours after getting the booster shot. He stated that, about 55 to 56 hours when he had the worst hour of his life with the pain and the vertigo issue. Patient clarified that he had the booster last Monday, which would had been 20Dec2021 and that the vertigo and migraines were started about 48 to 50 hours after that. Patient Clarified that the migraines started around that same time. Patient stated that he was taking vertigo medicine on and off and he had been ibuprofen like candy because the headaches would not go away. Patient stated that if he had been tried to look at something or tried reading, within a page or 2, he had a splitting headache. He states that the vertigo medicine, he took was Meclizine. He states that the initial headache that came out and wacked him out pretty good was the worst. This deal with not being able to read, and look at much for long, stayed consistent. He tried to read and had a pretty good headache, an instant headache and had to take ibuprofen. Patient clarified that the headache is a splitting headache and during the extreme vertigo event, his hands got tingly and went numb for a while. The sensation of the tingling was not normal. He stated that when he took the Meclizine, the tingly ness went away. He states that if he knew that was a possible side effect, he would not have done it, gotten the booster. He struggled with that for a year if he should get that booster shot. Patient stated that the first day, on that Monday of the shot, he woke up Tuesday morning and when he was trying to put deodorant on, he noticed his left arm pit was swollen, it had been swollen the whole week, which was weird for patient. Patient stated it was much better though and It was just about gone but, was bad for a few days. It was way better then. He got sick of listening to his father-in-law get on him about it. Patient stated he don't have an opinion on the vaccine, one way or another. His wife asked him to get the first and he did. He stated that on previous dose one, he can't read the handwriting. His wife was going to take him to the emergency room the first night but then she found the Meclizine. The Meclizine had expired 2 years ago but they tried it and it worked. He would have gone the second day and had considered going to the doctor if he had another day or 2 like that. Patient states that, he was able to get rid of a headache. Patient states that, it expired Jul2018 but it did the trick. Patient stated that he had last Covid shot in Apr2021 and was a little hung over for a day or two. It was a slight hangover about a day or 2 after the first 2 Covid shots. Patient state that he was able to work and drive and function. It was normal and there were no other issues. Patient stated that, his mom also suffers from vertigo and motion sickness. She had severe vertigo like he did. After his mom's booster, she ended up in the hospital. He states that his mom had a similar reaction as he. She ended up in the hospital and she did not even tell him it was because of the shot. He states that his mom did not tell him until a couple of days ago.  atient questioned that he if he goes to his doctor and tells him what caused this, what happens with that. He questioned that, will he become a normal vertigo patient again. He also questioned that, is there something they know of, like a shot, or something they could gave or is there any fact that his vertigo was re-triggered because of this Covid shot, is there something, like a shot, they can give that can fight what the vaccines is doing or something that tempers it down. Patient guessed there is nothing that can stop the side effects, that can combat the side effects. The patient was advised to consult with his primary physician for any medical advice. When offered to be provided with the telephone number for USMI, he states that he will go to the doctor. He states that he was wanted to make sure he had reported what was going on.  No follow-up attempts are needed. No further information is expected.