fever of 102; Experiencing fever it was 102; I just feel higher; don't feel good; pressure in her head like she had to her pop ears; pressure in her head like she had to her pop ears; This is a spontaneous report from a contactable reporter (patient herself). A 59-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Batch/Lot Number: not reported, Expiry Date: Unknown), dose 1 via an unspecified route of administration on 22Mar2021 at 10:15 (at the age of 59-years-old) as a DOSE 1, SINGLE for COVID-19 immunisation. The patient medical history included (cardiac disorder) Heart issues, Fibromyalgia, Arthritis, Joint issues, Back issues, Neck issues, Joint issues (arthropathy), Back issues (back disorder), Neck issues (musculoskeletal discomfort), Stomach issues (abdominal discomfort), Allergy (hypersensitivity), pain period (dysmenorrhea), all from an unknown date and unknown if ongoing. Concomitant medications included omeprazole (PROTONIX [OMEPRAZOLE]) taken for abdominal discomfort reported as taking Protonix for my stomach, naproxen (NAPROSYN [NAPROXEN]) taken for an unspecified indication, tapentadol hydrochloride (NUCYNTA) taken for dysmenorrhoea, oxycodone hydrochloride, paracetamol (PERCOCET [OXYCODONE HYDROCHLORIDE; PARACETAMOL]) taken for an unspecified indication and for all the concomitant medications start and stop date were not reported. Reporter stated, I am taking Protonix for my stomach. I am taking statin (unspecified) for my heart. I am taking "flectorol" for the Fibromyalgia in the Nerve pain. I am taking Nucynta for pain period. I take Percocet, I take Naprosyn also. I think that's it. For frequency of the concomitant medications, reporter stated, I don't know what they are, I am not, "why" (not clarified) the medicine. Protonix twice a day and all other once a day. The patient experienced, pressure in her head like she had to her pop ears on 22Mar2021 and fever of 102, experiencing fever it was 102; I just feel higher; don't feel good on 24Mar2021. The reporter stated she had the first dose of the vaccine this past Monday, 22Mar2021. She stated. about 20 minutes after the vaccine, she felt pressure in her head like she had to her pop ears and that lasted for about 24 hours. Yesterday she had nothing but today she had a fever of 102 and now it is 99.3 two hours after Tylenol. She said she was taking Tylenol. She asked if the fever is normal? Even 2 days after the vaccine? She said got her first dose last Monday, 22Mar2021. She was asking if it is normal to experience fever after two days. For the lot number reporter stated, "It looks like EN6207, the writing is pretty bad, I think zero between 2 and 7." Reporter stated, "I had the first dose of the Pfizer (COVID) vaccine on Monday (22Mar) at 10:15 am and today I am experiencing a low-grade fever it was 102 this morning and it went down to 99, I took some Tylenol and actually I took antibiotic just in case of my allergy (captured in history) but is that normal to have fever possibly 2 days after. Reporter stated, after taking Tylenol, I took one antibiotic it's Amoxicillin (treatment). Reporter stated, I am not any, I am just having "underlying" (not clarified) conditions. The fever was just today (24Mar2021), I didn't experience it yesterday or the day of (vaccination). For medical conditions diagnosis date, reporter stated, I can't tell you, it's been 35 years of all these diagnoses, I don't even remember. Reporter further stated, well I mean, I still don't feel good but it's, I mean the fever is just 99 now, I just feel higher. They are still persisting, the only reason I don't have a high-grade fever in case I am taking Tylenol. Reporter asked, "Is this (event) the part of side effects, the fever, can I have it 2 days after?" The patient underwent lab tests and procedures on 24Mar2021 which included body temperature reported as today she had a fever of 102 and now it is 99.3 (both on same date). Reporter said, her second dose due date, was 12Apr2021. Outcome of all the events were unknown.  No follow-up attempts are possible; information about lot/batch number cannot be obtained.