felt lightheaded/dizziness; feel flushed; shirt was damp in some places and felt clammy/started to bead sweat; feels like he has a headache/headache in his left temple; fever/feverish sensation; feels like he has a cold/like the first day of having a cold; like the first day of feeling bad; This is a spontaneous report from a contactable consumer (patient). A 39-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; lot number: ER8727 and expiration date: Jul2021), via an unspecified route of administration in the left arm on 25Mar2021 in the early morning (at the age of 39-year-old), dose 1, single for COVID-19 immunisation. Medical history included stomach pressure. The patient had no family medical history. Concomitant medication included bismuth subsalicylate (PEPTO-BISMOL). The patient did not have a history of previous immunisation and did not receive any vaccines within four weeks. The patient stated that the side effects was shocked at how quickly they appeared. On 25Mar2021, the patient received the COVID-19 vaccine, and he was fine while in the parking lot and got the go ahead to go home. The patient started to feel flushed and lightheaded. The patient had been clammy since. The patient checked and he did have a fever. The patient stated he did not know how quick things like that come on, did not feel like he was dying or could not breath. The patient was surprised about how fast it happened. It was momentary and very noticeable. The patient was driving, and he felt like he was letting go. The patient got the shot at 10:45 or 10:50, he left the parking lot at 11:10am, and 5 or 10 minutes later or so, he pulled over on the side of road and felt lightheaded, dizziness and was concerned about driving. The patient felt this flush, feverish sensation, and his shirt was damp in some places and felt clammy. The patient had a temperature between 99 to 99.4 Fahrenheit. The patient stated he was feeling like he had a headache now. The patient felt like he had a cold. It was like the first day of having a cold and feeling bad. The patient said he felt fine the morning of this report, not like he was dying or struggling to breath. It was all pretty quick. It was alright and it was better than having COVID. The patient further reported that he felt lightheaded before the dizziness while driving. The patient also said he did not feel right, but he was not lightheaded now. The patient did not feel like he was about to fall over. The patient started to feel like he was closing his eyes and he did not feel 100% awake. The patient was not as alert as he normally would be. The patient added that it was only 12:00 and had not had lunch yet. The patient was on the phone and had to put the phone down because he felt dizzy. The patient looked up and it was like he was going to sleep. The patient stated that he felt flushed closer to when he got the shot, within 5 minutes. The patient parked and started kicking back and thinking of how he would feel, and he started to bead sweat. The patient was not sure if the headache was improved, persistent, or worse. The patient did not have a headache an hour ago of the report, but he had headache at the time of report. It was not debilitating, and the headache was in his left temple. The patient checked his temperature while on the report and it was 99.2 Fahrenheit. The patient did not receive any treatment till the time of report. The patient said his father texted him and told him he could take something for fever like Tylenol or Aspirin. The patient did not take anything before, but he was getting ready to take Tylenol. The outcome of the event felt lightheaded/dizziness was recovering. The outcome of the events feel flushed, shirt was damp in some places and felt clammy/started to bead sweat, fever/feverish sensation was not recovered. The outcome of other events was unknown.  No follow-up attempts are possible; No further information is expected.