allergic reaction; tongue felt weird; Tongue swelling; nausea; accelerated heart rate that night and pain when rolling onto left side; accelerated heart rate that night and pain when rolling onto left side; This is a spontaneous report from a contactable consumer or other non-health care professional (patient). A 23-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot number: EN6200), via an unspecified route of administration (at the age of 23-years), administered in arm left on 03Mar2021 at 17:39 as dose 1, single for COVID-19 immunization. Medical history included migraine and reported that when she was about 11 she started having these, concussion and stated that she had 8 previous concussions. Her first was around 2013 or 2014, and the last one she had was in 2016, asthma from an unknown date and unknown if ongoing. It was further stated that she had 8 previous concussions and it would be bad if she got sick. A couple of patients of her doctor resembled getting sick with post-concussion syndrome which she has had a few times. She does not have any additional information regarding this. Concomitant medications included marijuana (MEDICAL MARIJUANA), she started taking probably about 2 years ago for migraine and neurological issues and taken as half an ounce every 2 weeks is the amount the dispensary follows her for start and stop date were not reported. The vaccination facility type and contact, which she drove through which was kind of cool. She was not sure if it was a special facility. She thinks that it was their airport. On an unspecified date, the patient experienced allergic reaction. On 03Mar2021, experienced tongue felt weird, tongue swelling, nausea, accelerated heart rate that night and pain when rolling onto left side. The adverse event does not resulted in emergency room and physician office visit. She received the Pfizer shot 2 weeks ago and today she was going for her second one. Her parents are family doctors and they want her to call because she had a small allergic reaction to the first vaccine. She stated that her parents read somewhere about if somebody has tongue swelling, the second vaccine will be worse. Her parents were reading behind the idea of possibly it being recommended to get the Johnson and Johnson vaccine instead of the Pfizer vaccine if somebody has a reaction to the first vaccine. She has a pretty good connection with her care provider and she feels like it is okay. She was calling because she wants to report her symptoms and to make her parents feel more comfortable. She gets to the facility for her second vaccine, she will tell them that she had a small reaction to the first dose. She adds that she goes through the drive through one. Allergic reaction these were not normal reactions so her family believes they were allergic reactions. Around 3 minutes after she got her shot, her tongue felt weird. Tongue felt weird her tongue felt heavy and bigger in the back. She got up to get somebody but by the time she went to get someone the tongue feeling went away. Caller later clarifies this was on 03Mar2021 and completely recovered on 03Mar2021. About 40 minutes after the shot she felt nauseous for about an hour or so and also reports that during that same night, she also had 4 different times with really accelerated heart rate that was painful when rolling onto her left, she stated that she has never felt anything like that before. It would be there for a minute or two and then it would go away. She stated that these were not too bad. She has chronic illness so this what not too bad. Tongue swelling came and went within a minute. She has been to the emergency room before for migraines and they give her a lot of different IVs and she had this same feeling, but she can't really explain it. No further details provided about the different IVs. Nausea Lasted around an hour and a half. Accelerated Heart Rate only lasted about a minute or two starting 03Mar2021 and maybe into the morning 04Mar2021, it happened about 4 times total. Suspect Product Indication caller adds that the list for people who can get the vaccine now say people with neurological conditions not limited to Alzheimer's and dementia, and so the caller got the vaccine because of her chronic neurological migraines, and adds she also has asthma. The clinical outcome of the event allergic reaction was reported as unknown while for events tongue felt weird, tongue swelling, nausea was reported as recovered on 03Mar2021 and for the event accelerated heart rate that night and pain when rolling onto left side was reported as recovered on 04Mar2021.  No follow-up attempts are possible. No further information is expected.