Fainting; his blood pressure was really elevated; having symptoms of panic attack; Chest pain; He would feel like he couldn't breathe; feeling fainting; feeling like he needed to throw up; tingling in his arms and legs; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the parent.  A 19-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 24Oct2022 at 17:00 as dose 4 (booster), single (Lot number: GL0446) at the age of 19 years for covid-19 immunisation. The patient's relevant medical history included: "Asthma" (unspecified if ongoing), notes: He is taking Albuterol and Fluticasone inhaler; "Chronic migraine" (unspecified if ongoing); "allergic to a bunch of things" (unspecified if ongoing), notes: he takes Epinephrine auto injector(Confirmed as EpiPen) as needed. Concomitant medication(s) included: ALBUTEROL [SALBUTAMOL] taken for asthma; FLUTICASONE resp inhalation taken for asthma. Past drug history included: Epipen for allergic to a bunch of things, notes: LOT number for EpiPen: 034H20AA, 1GM233. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE), for Covid-19 Immunization; Bnt162b2 (DOSE 2, SINGLE), for Covid-19 Immunization; Bnt162b2 (DOSE 3 (BOOSTER), SINGLE), administration date: Jan2022, for Covid-19 Immunization. The following information was reported: CHEST PAIN (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown"; SYNCOPE (medically significant) with onset 24Oct2022 at 20:00, outcome "unknown", described as "Fainting"; DYSPNOEA (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown", described as "He would feel like he couldn't breathe"; DIZZINESS (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown", described as "feeling fainting"; VOMITING (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown", described as "feeling like he needed to throw up"; PANIC ATTACK (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown", described as "having symptoms of panic attack"; BLOOD PRESSURE INCREASED (medically significant) with onset 24Oct2022 at 20:00, outcome "unknown", described as "his blood pressure was really elevated"; PARAESTHESIA (non-serious) with onset 24Oct2022 at 20:00, outcome "unknown", described as "tingling in his arms and legs". The events "fainting", "his blood pressure was really elevated", "having symptoms of panic attack", "chest pain", "he would feel like he couldn't breathe", "feeling fainting", "feeling like he needed to throw up" and "tingling in his arms and legs" required emergency room visit. The patient underwent the following laboratory tests and procedures: Blood pressure measurement: (24Oct2022) elevated; Full blood count: (24Oct2022) Unknown Results; Metabolic function test: (24Oct2022) Unknown Results. Therapeutic measures were taken as a result of syncope, blood pressure increased, panic attack, chest pain, dyspnoea, dizziness, vomiting, paraesthesia. Clinical course: Primary reporter is a Pfizer employee; secondary reporter stated is primary reporter's wife. Secondary Reporter stated, "we are reporting about a that we believe it's a COVID-19 vaccine adverse reaction by our son yesterday. He was having, he is fainting and having symptoms of panic attack, chest pain, was unable, he said he would feel like he couldn't breathe, he was feeling fainting, feeling like he needed to throw up, his blood pressure was really elevated and he has this tingling in his arms and legs and we had to take him to hospital last night." Time of vaccination was 5 PM in the afternoon. The reaction started at 8 PM. Probed if patient was hospitalized, secondary Reporter stated, "Emergency room only." Lab work: Secondary Reporter stated, "last night at the hospital he had lab work. They did a basic metabolic panel, a CBC differential. That's it, that all they did." Treatment: Secondary Reporter stated, "They gave him Toradol for pain and IV fluid." When asked for LOT# for EpiPen, Primary reporter stated, "What's the reason of LOT# of the EpiPen? None of that medicine was in use."