had a really bad reaction to the 1st dose; got really sick for like 4 days; she felt miserable; Ears got so puffy and filled with fluid/ear drums were bulging and almost exploding because so much fluid was behind the ears; Ears hurting/ear drums were bulging and almost exploding because so much fluid was behind the ears; ear infection; Ears got so puffy and filled with fluid/so much fluid was behind the ears; really high fever; she woke up in the middle of the night with a 103 fever; This is a spontaneous report received from a contactable consumer or other non hcp (patient mother). An 18-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA vaccine, Solution for injection, Batch/Lot number: unknown; Expiry date: un-known) via an unspecified route of administration on 27Apr2021 at 11:45 am (at the age of 17-years-old) as single dose for covid-19 immunisation. The patient medical history reported as none. The patient's concomitant medications were not reported. The patient previously took mortin (MOTRIN CHILDREN) and Tylenol (TYLENOL) one in a while because her knee has been bothering her. She really had not complained in the last few weeks. No additional vaccines administered on same date of the Pfizer suspect. The patient did not receive any other vaccines within 4 weeks prior to the covid 19 vaccine. The patient experienced had a really bad reaction to the 1st dose, got really sick for like 4 days, she felt miserable on an unspecified date, really high fever; she woke up in the middle of the night with a 103 fever on 27Apr2021, and ears got so puffy and filled with fluid/ear drums were bulging and almost exploding because so much fluid was behind the ears, ears hurting, ear infection on 29Apr2021. Clinical course was reported as after first dose her daughter got really sick for like 4 days for 4 days, she felt miserable. Really high fever the day she had the vaccine, she woke up in the middle of the night with a 103 fever. The next day, her ears were really hurting her. Had given her some Tylenol and Sudafed. Tried to put it off but after 3 days it was still hurting. She took her to the doctor because she thought it was an ear infection, but it was not. Her ear drums were bulging and almost exploding because so much fluid was behind the ears. When she took her to the doctor thinking it was an ear infection, they had said that they have heard a lot of people having really swollen ear drums. It was so swollen that it felt like an ear infection. This lasted 4 days. The patient underwent lab tests and procedures which included body temperature increased: 103 on unspecified date. she woke up in the middle of the night with a 103 fever. The clinical outcome of the event ears got so puffy and filled with fluid/ear drums were bulging and almost exploding because so much fluid was behind the ears, ears hurting, ear infection was recovered on 03May2021, and other events was unknown. Therapeutic measures were taken as a result of really high fever: she woke up in the middle of the night with a 103 fever, ears got so puffy and filled with fluid/ear drums were bulging and almost exploding because so much fluid was behind the ears, ears hurting, ear infection.   Follow-up attempts not completed; information about lot/batch number cannot be obtained. No further information expected.