the lightheadedness went away after the 2-3 hours on Wednesday night (24Mar2021); his head felt a little off, like his head was not all there. He said it was like he was foggy in his head; he couldn't eat his dinner on Wednesday night (24Mar2021) because he was not feeling that great.; This is a spontaneous report from a contactable consumer (patient). A 60-year-old male patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, formulation: Solution for injection, lot number: EN6200, expiration date: Jun2021), via an unspecified route of administration, administered in left arm on 23Mar2021 10:00 as dose 1, single for covid-19 immunization at hospital. The patient medical history was not reported. Concomitant medication included cortisone (Unknown, injection in his right knee) from 22Mar2021 to an unspecified stop date.  History of all previous immunization with the Pfizer vaccine considered as suspect was none. No additional vaccines administered on same date of the Pfizer suspect. Patient did not receive any prior vaccinations within 4 weeks. It was reported that, the patient received his first Pfizer COVID-19 Vaccine on Tuesday (23Mar2021), and he was trying to check a box as to some of the symptoms he had experienced, and what their longevity might be. He said he did get a COVID-19 Vaccine handout and had gone on the internet to look some things up about the COVID-19 Vaccine. He stated he was OK on Tuesday (23Mar2021). He stated later in the day on Wednesday (24Mar2021), he had a period of lightheadedness that lasted for between 2-3 hours. He said during that time, he felt more comfortable with his head lying against something, rather than him standing up or sitting. He clarified his head felt a little off, like his head was not all there. He said it was like he was foggy in his head, and he felt a little better lying down than standing, or sitting. He said he didn't feel dizzy like he was going to fall down, or as if he stood up from the couch, and had a rush of blood to his head. He said it was not a good night for eating. He said he couldn't eat his dinner on Wednesday night (24Mar2021) because he was not feeling that great. He said his dinner was a meal he really liked, so for him to not want to eat his dinner was kind of a big thing. He said the lightheadedness, and feeling off went away after the 2-3 hours on Wednesday night (24Mar2021). He said Thursday (25Mar2021) and Friday (26Mar2021) he had no issues, saying he was able to workout and do normal things. He said Saturday (27Mar2021) he had breakfast, and by later in the morning he felt off, again. He said he grinded through the day on Saturday (27Mar2021), and tried to eat dinner, but he took one bite of his dinner, and was done. He said yesterday (28Mar2021), he had no nausea, and ate 3 meals, but he still felt off. He said it felt better for him to lie down. He said if he lied down, he felt less off, and more comfortable. He said today (29Mar2021), he drove his car, and felt better, saying he had no nausea, and was eating fine. He said he had read that COVID-19 Vaccine side effects were more common the first 72 hours after getting the COVID-19 Vaccine. He said he felt his head feeling off was more predominate yesterday (28Mar2021), but he was able to eat 3 meals fine. Patient asked if his symptoms were the "MO" after getting the COVID-19 Vaccine, saying he just wanted to "check the box" as to the symptoms he had experienced. Caller was advised he would be transferred to Pfizer Medical Information to have his questions addressed. Reported he had some neck stuff here and there otherwise he was pretty healthy. Reported on Monday, 22Mar2021, he had a Cortisone shot in his knee (the day before his COVID-19 Vaccine). He said his doctor assured him it would not be a problem to have the Cortisone shot before getting the COVID-19 Vaccine. Patient stated his doctor did a right knee x-ray & he had no serious issues. He said the doctor suggested the Cortisone shot would help in his recovery process. He didn't have the Cortisone NDC, Lot & Expiry. Patient was taking concomitant Product cortisone for his tweaked right knee. Reported the only treatment he did was to lay down. He said he did not take any over-the-counter or prescription products to treat his symptoms. The adverse event not required emergency room or physician office visit. The outcome of the event the lightheadedness went away after the 2-3 hours on wednesday night (24Mar2021) was recovered, he couldn't eat his dinner on Wednesday night (24Mar2021) because he was not feeling that great was recovering, his head felt a little off, like his head was not all there. He said it was like he was foggy in his head was not recovered.  No follow-up attempts are possible. No further information is expected.