Pericarditis/ sack around her heart was inflamed; feeling cold; Tingling in my extremity and head (the top front of my head)/ sharp tingling numbness feeling in arms, legs face and top of head; Chest pain while lying down; heart rate was increasing out of nowhere; Her head was feeling a weird full, super pressurized feeling, like you were in a bubble; Ringing in her ears; can barely get out of bed; Headache; extreme nausea; cold/numb tingling part of my face accompanied with dizziness on my face and head/cold sharp tingling numbness feeling in arms, legs face and top of head; dizziness on my face and head/Dizzy; pressurized feeling in my head and face; Anxiety; migraines; feeling of blood rushing to her head when she stood up; This is a follow-up spontaneous report from a Pfizer sponsored program. A contactable consumer (patient) reported that a 27-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, formulation: Solution for injection, lot number: ER8736, patient was 27-year-old at the time of vaccination), via an unspecified route of administration, administered in Arm Left on 11Jun2021 as DOSE 1, SINGLE for COVID-19 immunisation. Medical history reported as no. There were no concomitant medications. Reported that patient doctor will not write down on any files that the symptoms are related to the vaccine even though it is. Patient doctor refused to do testing and refused to treat me even though I'm having symptoms. Patient had read about people having my symptoms and having strokes and she can't get tested for it. I'm still dealing with these problems, having migraines daily almost all day. Patient wanted to know what to do regarding this. She hasn't received the second dose because of her experience. Caller stated all medical professionals are saying everything was anxiety. She was having actual side effects. Patient not received prior Vaccinations within 4 weeks. No AE(s) following prior vaccinations. On 21Jun2021, the patient experienced pericarditis/ sack around her heart was inflamed, on 11Jun2021, the patient experienced anxiety, migraines, cold/numb tingling part of my face accompanied with dizziness on my face and head/cold sharp tingling numbness feeling in arms, legs face and top of head, dizziness on my face and head/dizzy, pressurized feeling in my head and face, headache (30 mins after the vaccine), extreme nausea, ringing in her ears, can barely get out of bed, on 12Jun2021, the patient experienced feeling cold, tingling in my extremity and head (the top front of my head)/ sharp tingling numbness feeling in arms, legs face and top of head, chest pain while lying down, heart rate was increasing out of nowhere, her head was feeling a weird full, super pressurized feeling, like you were in a bubble, on an unspecified date in 2021, the patient experienced feeling of blood rushing to her head when she stood up. Reported that her heart size was normal lungs were clear and that's when he told her that the sac was inflamed. The patient underwent lab tests and procedures which included ACT partial thrombo time which resulted as 31.5 seconds on 22Jun2021, SGOT / AST resulted as 11 units/l on 22Jun2021, blood albumin: 5.2 g/dl on 22Jun2021, blood bilirubin: 1.3 mg/dl on 22Jun2021 Result: high 1.3 , brain natriuretic peptide: 28 pg/ml on 22Jun2021, chest x-ray: unknown results on 22Jun2021, Head CT scan with unknown results, fibrin d dimer: high 235 ddung on 22Jun2021 D-Dimer- high 235 ddung/ml, CBC with differential which resulted as everything looked normal except for the lymphocyte percentage was high 27.1 % on 22Jun2021, heart rate resulted as increased on 12Jun2021, light testing with unknown results, monocyte percentage: 9.3 % on 22Jun2021, protein total: 8.7 g/dl on 22Jun2021. Patient received treatments for events tingling in my extremity and head (the top front of my head)/ sharp tingling numbness feeling in arms, legs face and top of head, cold/numb tingling part of my face accompanied with dizziness on my face and head/cold sharp tingling numbness feeling in arms, legs face and top of head, dizziness on my face and head/dizzy (On and off, a month of vestibular therapy to deal with that), pressurized feeling in my head and face, headache (tried Tylenol, naproxen, ibuprofen and aspirin. They don't do anything), her head was feeling a weird full, super pressurized feeling, like you were in a bubble, ringing in her ears (doctor gave her dexamethasone. It seemed to improve a lot.). No treatment was received for event pericarditis, Extreme nausea. Patient visit to emergency room and physician office after experienced events Chest pain, the pressure in your head, dizziness, and tingling. The outcomes of events (Pericarditis/ sack around her heart was inflamed, Anxiety, migraines, cold/numb tingling part of my face accompanied with dizziness on my face and head/cold sharp tingling numbness feeling in arms, legs face and top of head, feeling of blood rushing to her head when she stood up, can barely get out of bed) were unknown, the outcomes of events (extreme nausea, Ringing in her ears) were recovering with squeals, the outcomes of events (feeling cold, Tingling in my extremity and head (the top front of my head)/ sharp tingling numbness feeling in arms, legs face and top of head, dizziness on my face and head/Dizzy, pressurized feeling in my head and face, Chest pain while lying down, heart rate was increasing out of nowhere, Her head was feeling a weird full, super pressurized feeling, like you were in a bubble) were recovering, the outcomes of events (Headache) was not recovered.  Follow-up attempts are completed. No further information is expected.