Headache; All of a sudden my blood pressure went high; Nosebleed; Body ache; Feverish; My arms got numb; Dehydration; This is a spontaneous report from a contactable consumer or other non hcp (patient, self-reporting) via Pfizer Sponsored Program. A 51-years-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: EW0196), via an unspecified route of administration in arm left on 18Jul2021 (at the age of 51-years-old) as single dose for COVID-19 immunisation. Medical history included Stroke, hypothyroidism, fibromyalgia, Kidney Disease and Prediabetes. The patient's concomitant medications included thyroid medicine. She takes it every morning. The patient never had a nosebleed before and the high blood pressure. Family history included low platelets in her parents. Historical vaccine included first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Lot number: EW0180 and expiration dates were not reported), via intramuscular in Left upper arm on 20Jun2021 as single dose for COVID-19 immunisation. Prior Vaccination (4 weeks prior) was none. The time of vaccination was reported as like 11 o'clock, before 12. On an unspecified date, the patient experienced headache, all of a sudden her blood pressure went high, nosebleed, body ache, feverish, arms got numb and dehydration. The patient felt she was having a heart attack. The patient underwent lab tests and procedures which included blood pressure measurement: high, echocardiogram: unknown results, magnetic resonance imaging: unknown results, platelet count: unknown results. Treatment was given for all the events. This report was related to a study or programme. Investigation Assessment was provided as yes. The patient was connected and she asked for their profession as she wanted to talk to a doctor. The patient had a bad headache and all of a sudden her blood pressure went high and she had a nosebleed so, she ended up in a hospital. She was discharged today (Details of hospitalization were not available over the call, hence hospitalization was not checked as seriousness criteria). She took the second shot on Sunday and this happened on Tuesday, actually yesterday (Further clarification was unknown). On Monday she got the body ache, the feverish, the headaches, you know all the normal that all are listed in the symptoms like the body aches and all that till then Tuesday, she woke up fine but around 10 AM that's when this happen. She got the headache and the nosebleed and had to call for it because it was so bad and her arms got numb. She reported in incomplete sentence. She thought she was having a heart attack. she wanted to report the side effects of the nosebleed, which is not on their list. She never had a nosebleed before and the high blood pressure. She did not know if it's related but she has hypertension and she take medication for it (Further clarification was unknown). She reported that she had a stroke so she have 'congenital' defect, she was not pronouncing it correctly. She has Hypertension (Not appropriately clarified). As per report, she was given fluid for dehydration and had a lot of exam. She had Echo. She was put on a heart monitor. She also had the MRI of the brain to check for bleeding. Outcome of the events were unknown.  Follow-Up (26Jul2021): Follow-up attempts are completed. No further information is expected.