afraid to take second dose of Pfizer COVID-19 vaccine due to the events; brain fog every single day; kind of off and uneasy; body aches; slight dizziness not like he was going to fall over, but cant stand still without lean a little/felt immediate rush to the head and feeling of fainting; very weird like an out of body experience this was almost like an anxiety attack/anxiety attacks for every 30 minutes or so; tension headaches; Chills; tunnel vision/tunneled, it was like tunnel vision and a very very weird like an out of body experience this was almost like an anxiety attack; it was extremely intense; pain at the injection; insane rush from the bottom of his feet to the top of head, felt like he was going to pass out; weakness;  This is a spontaneous report from a contactable consumer (Patient). A 28-year-old male patient received first dose of BNT162B2 (Pfizer COVID Vaccine, solution for injection, Lot Number: ER8733; Expiration Date: 31Jul2021), via an unspecified route of administration, administered in left arm on 28Mar2021 at 17:00 (at the age of 28 years-old) as single dose for COVID-19 immunization. Medical history included ongoing asthma, anxiety experienced years and years ago when he was about 19-20 years old and it has been under control, he hasn't had this happen in years. The patient mother suffers from slight anxiety at times; dad currently has high blood pressure. Concomitant medication included albuterol sulfate taken for asthma (in inhalation (90mcg per actuation 200 metered inhalations: 2 puffs as needed) and liquid form (0.083% 2.5 mg out of 3ml as needed) for nebulizer since he was born). Patient did not have COVID prior vaccination. Patient did not want to contract COVID-19 because he has asthma. On 28Mar2021 at 17:00 (within 5 minutes of vaccination), patient experienced Tunnel Vision, chills, weakness, insane rush from the bottom of his feet to the top of head, felt like he was going to pass out (which was recovered same day with lasting effects), weakness, hasn't felt the same; feels like something is off every day; not himself, very weird like an out of body experience this was almost like an anxiety attack/anxiety attacks for every 30 minutes or so, tension headaches, dizziness and felt immediate rush to the head and feeling of fainting, at 8PM or 9PM, he felt pain at the injection and body aches. The patient visited physician room as a result of Insane tension headaches, and anxiety. On 29Mar2021, he didn't really feel too anxious, but he felt out of place, kind of off and uneasy. The chills and body aches, kind of off and uneasy were disappeared on 30Mar2021. On 31Mar2021, brain fog and slight dizziness does not like he was going to fall over but cant stand still without lean a little/felt immediate rush to the head and feeling of fainting. On 02Apr2021, injection site pain was gradually faded away. The patient states that these events started after the Pfizer COVID 19 vaccine. Therapeutic measures were taken as a result of events included Tylenol. The patient underwent lab tests and procedures which included SARS-CoV-2 test (Nasal swab): Pending on 06Apr2021. The patient did not take any other vaccinations four weeks prior to vaccination. The patient was afraid to take second dose of Pfizer COVID-19 vaccine due to the events. Patient felt very hard to work with these symptoms and to get through everyday life, it is very tough. Patient knows plenty of people that died from COVID-19 and he does not want to have to make changes and fix things in his life that he did not cause and worries this will stick around for the rest of his life all because he took a vaccine. The patient had physician office and Emergency room visit. The outcome of the events insane rush from the bottom of his feet to the top of head, felt like he was going to pass out, pain at the injection, chills and body aches were recovered, while for tension headaches, anxiety attacks, dizziness, weakness, brain fog, hasn't felt the same; feels like something is off every day; not himself was not recovered, and for tunnel vision it was unknown.  Information on the lot/batch number has been requested.