he was kind of wobbly; he experienced that feeling on his skin; like a cool rush; head swirling; completely out of whack/feels wacky; He thought it was a heart attack; This is a spontaneous report from a contactable consumer (patient). A 67-year-old male patient received third dose of bnt162b2 (PFIZER BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: 30155BA), via an unspecified route of administration, administered in Arm Right on 06Oct2021 (at age of 67 years old) as single dose for COVID-19 immunization. The patient medical history was not reported. There were no concomitant medications. The patient previously took first dose of bnt162b2 (PFIZER BIONTECH COVID-19 VACCINE, Solution for injection, lot: EB6199), via an unspecified route of administration, on 10Mar2021 (at age of 67 years old) administered in Left shoulder as single dose for COVID-19 immunization, second dose of bnt162b2 (PFIZER BIONTECH COVID-19 VACCINE, Solution for injection, lot: B48732) via an unspecified route of administration, on 02Apr2021 (at age of 67 years old) in Right shoulder as single dose for COVID-19 immunization. The caller is calling regarding the booster dose Pfizer Covid 19 Vaccine. The caller received the booster dose Pfizer Covid 19 Vaccine yesterday, 06Oct2021. Last night, 06Oct2021, and this morning, 07Oct2021, when the caller was getting up his eyes and equilibrium were way out of whack. The caller is trying to find out if this symptom is related to the booster dose Pfizer Covid 19 Vaccine? Agent asks caller if this is improved, worsened or persisting and the caller states it's like his balance is out of whack. After the caller gets up and tries to sit up, right after, this occurs. The caller states after a while it levels out. This morning, 07Oct2021, the caller had to get his kids off to school and the caller sat there for a while and got the kids around to school. When the caller came back, he was kind of wobbly and thought he would take a nap. When the caller got up from the nap, the same thing occurred, the caller sat upright and everything as if the caller's eyes were going to roll back in his head, completely out of whack. Agent asks caller if he is willing to complete an additional questionnaire and the caller states Pfizer probably gets a lot of calls on this stuff. The caller would just like to know if what he is experiencing is normal after receiving the booster dose Pfizer Covid 19 Vaccine? Caller, a 67-year-old male, reports that he received his booster shot of the Pfizer covid vaccine yesterday (06Oct2021). He reports says his eyes and equilibrium were out of whack. He also adds, last night when lay head down to go to bed everything went wacky. He thought it was a heart attack, so sat back up and everything went back to normal. This morning same thing happened, but he was still able to take the kids to school and came back. When he leans into pillow, he feels wacky. You know that feeling when you're wet and you get a cool breeze he experienced that feeling on his skin, like a cool rush, and head swirling. Caller would like to know if his side effects are related to the Pfizer covid vaccine. The outcome of the events was unknown.  No follow-up attempts are possible. No further information is expected.