she wasn't feeling well; heart palpitations; high blood pressure; This is a spontaneous report from a contactable consumer (patient). A 47-year-old female patient received BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Lot Number: ER8730, Expiration date: Jul2021), via intramuscular route of administration in left arm on 27Mar2021 (at the age of 47-year-old) as 1st dose, single dose for COVID-19 immunization. Medical history included she had Sjogren's disease for a couple years before she was formally diagnosed in Sep2020. She said she was good about dealing with all the pain she had, and then finally went to a rheumatologist last Sep2020, high blood pressure on an unknown date in Dec2020. Patient previously received hydroxychloroquine twice a day for palpitations since an unknown date in Dec2020 to unknown date, and she took one allegra daily for seasonal allergies for 7-8 years. She said she did not have her allegra with her to provide the , Lot, and Expiration date. Concomitant medication included hydroxychloroquine at 200 mg, 2x/day for Sjogren's disease, metoprolol (ongoing) at 25mg since an unknown date in Feb2021 for high blood pressure. No investigation assessment was provided. Patient's family medical history was not reported. The patient did not receive any other vaccines within four weeks prior to the vaccination. Patient stated that she wanted to report side effects for the COVID-19 Vaccine. She said she had an autoimmune disease, and her rheumatologist wanted her to get the COVID-19 Vaccine, as soon as possible. She had her first COVID-19 vaccine dose and experienced heart palpitations. She said the COVID-19 vaccine facility called paramedics or emergency medical technician (EMTs). She said her blood pressure increased too, but she did not remember what her blood pressure readings were, because she was not feeling well. She clarified she had a previous problem with palpitations and high blood pressure before the COVID-19 vaccine. She said the paramedics or EMTs monitored her for a whole hour, and then released her to the COVID-19 Vaccine facility staff, who monitored her for another 20 minutes. She said the paramedics or EMTs offered to take her to the hospital, but she said she would be ok. She said she took her heart palpitation medicine earlier that day (clarified as Metoprolol 25mg) and did not take anything to treat the heart palpitations. She did not have her Metoprolol 25mg prescription to provide the  Lot, and Expiration Date. She first started Hydroxychloroquine at 200mg, twice a day since an unknown date in Dec2020. She said she had severe palpitations at that time, so her rheumatologist put the Hydroxychloroquine at 200mg on hold and sent her to a cardiologist. She said she had been seeing the cardiologist since an unknown date in Dec2020. She clarified after the cardiologist did all her exams, he put her on Metoprolol at 25mg, twice a day, to lower her heart rate, and blood pressure. She said she had been taking the Metoprolol at 25mg since an unknown date Feb2021, and did not have the Lot, and Expiration Date. She said she restarted the Hydroxychloroquine 200mg, twice a day, in Mar2021. No relevant tests were reported. Reporter seriousness was reported as unspecified. Adverse events resulted in physician's office visit. No relevant tests were performed. The outcome of the events she wasn't feeling well was assessed as unknown and heart palpitations, high blood pressure was resolved.  No follow-up attempts are needed. No further information is expected.