Pounding in head; Heart pounding; Elevated BP; bouncing off the walls, and going from side-to-side when she tried to walk; oxygen saturation level kept dropping; shaking; cold; Weakness; Tiredness; Throat tightness; Dry mouth; This is a spontaneous report initial from a contactable nurse and follow up from a Pfizer-sponsored program. This Nurse (patient) reported for self that the 83-year-old female patient received first dose of bnt162b2 (BNT162B2, PFIZER-BIONTECH COVID-19 VACCINE, lot number: EN6200), via an unspecified route of administration on 17Feb2021 09:30AM on right arm at single dose for covid-19 immunization. Medical history included rheumatoid arthritis from an unknown date and unknown if ongoing Reported she was diagnosed with Rheumatoid Arthritis about 10 years ago, fibromyalgia from an unknown date and unknown if ongoing and stated when the doctor couldn't figure out what was causing her pain, the doctor said she had Fibromyalgia, carotid endarterectomy from 2014, pain in extremity from an unknown date and unknown if ongoing She said she has rheumatoid arthritis, and has had terrible leg pain for a long time.  Family Medical History Relevant to AE(s) was not provided. Concomitant medication included cortisone (CORTISONE) for Pain in leg from 10Feb2021 and stated her doctor gave her a Cortisone shot in her right knee to help with her right leg pain. Reported she received a Cortisone shot in her right knee on Wednesday, 10Feb2021. She said the doctor gave her the Cortisone shot in her right knee to see if it would help her right leg pain. She said she has a problem with Cortisone, clarifying the Cortisone keeps her awake. She said the doctor wanted her to have another Cortisone shot in 3 months, and she is not going to take the Cortisone shot because she doesn't like how the Cortisone makes her feel. The patient experienced pounding in head (hospitalization, medically significant), heart pounding (hospitalization, medically significant), elevated bp (hospitalization, medically significant), bouncing off the walls, and going from side-to-side when she tried to walk (hospitalization, medically significant), dry mouth (medically significant) all on 17Feb2021 with outcome of recovering, throat tightness (medically significant) on 18Feb2021 with outcome of recovering, weakness  (medically significant) on 19Feb2021 with outcome of not recovered, tiredness (medically significant) on 19Feb2021 with outcome of not recovered, oxygen saturation level kept dropping on an unspecified date with outcome of unknown, shaking on an unspecified date with outcome of unknown , cold on an unspecified date with outcome of unknown.  He experienced terrible pain in the leg after the 1st dose and took a marijuana cookie and she was rushed to the ER because she was shaking and cold. The patient was hospitalized for events pounding in head, heart pounding, elevated bp and bouncing off the walls, and going from side-to-side when she tried to walk from 17Feb2021 to 18Feb2021.  The nurse states that "I told her up until a Month ago, she was taking care of a huge house and husband that is blind. I've been having the pain in my legs for over a month, doppler was done, and I had an injection in my knee with cortisone, I won't do that again, it keeps me awake at night. There is no diagnosis yet on the pain, have an orthopedic appointment coming up. Caller states, I got the first Pfizer vaccine shot on Wednesday at 9:30 am in right arm. Never so much have felt it. or have not felt anything else since. My friend talked me into eating a marijuana cookie about 5pm that day, and at 6 or 6:30pm, I started feeling terrible, my head was feeling terrible, my heart was pounding, I could hardly walk, my mouth was dry as a bone. we called paramedics, we found out on Friday before the shot that I have a right bundle block. Woke up 4:30 in the morning the Friday before with chest pain. EKG found right bundle block, my blood pressure was 245/105, that night in the ER, they got my blood pressure down and sent me home. Wednesday, I had the covid shot in right arm, at 9:30am, that day about 4:30 - 5:00 had the cookie thing, about 6pm, had to call the paramedics, they kept me in the hospital overnight. because my oxygen saturation kept dropping, down in the 86% or 89%, I don't know. Gave me breathing treatments, CT scan for blood clots in lungs was done, Doppler for blood clots in legs, and a HgbA1C. They  did an echo of my chest. I don't know all of the results yet. Even yesterday, in the hospital I felt better, but feel week and tired, while walking the hall in the hospital my Blood pressure went up a little bit. I told the nurse, my head feels like this when my blood pressure is up. They sent me home last night. Today, I am feeling okay. My mouth is still a little dry, got a little better yesterday. My legs are still killing me, I have an appointment with my Cardiologist and Rheumatologist, I have Rheumatoid Arthritis. My question is , the doctor didn't know if it was from the cookie or from the vaccine.  I am wondering if I should get the second vaccine." She stated she never had a sore arm after getting the COVID-19 Vaccine. She said she did something stupid after she received the COVID-19 Vaccine. She said she has rheumatoid arthritis, and has had terrible leg pain for a long time. She said her friend talked her into having a cookie that had marijuana in it. She said her leg pain was so severe at the time, she took the cookie with marijuana in it around 4:30PM-5:30PM on 17Feb2021. She said at 7:00PM she was bouncing off the wall (clarified as unsteady, and going from side-to-side when she tried to walk), her head was pounding, her heart was pounding, she was dizzy and shaky. She said she went to the hospital emergency room. She said the hospital kept her overnight because her oxygen saturation level kept dropping. She said she got home from the hospital last night (18Feb2021), clarifying she was discharged from the hospital at 6:00PM. She said she noticed her mouth was very dry when she went to the hospital on 17Feb2021, and her mouth continued to stay very dry all night. Caller asked if she should get the second COVID-19 Vaccine shot after experiencing what she did after receiving the first COVID-19 Vaccine. Reported her leg pain became severe about a month ago, clarifying she has had leg pain for a long time. Reported her blood pressure was up while she was at the hospital, clarifying she had one blood pressure reading of 145/82 that she recalls. She said her blood pressure is pretty normal, and she takes blood pressure medications. She said she believes her heart rate was up too, but was unsure what her heart rate was. Reported a couple days before receiving her first Pfizer COVID-19 Vaccine, she went to her doctor on 12Feb2021 because she was having severe chest pain. She said her doctor did an EKG and told her she had a right bundle branch block. She said her doctor sent her to the hospital Emergency Room. She said while she was in the Emergency Room she had an extremely high blood pressure of 245/105. She said she came home from the Emergency Room on 12Feb2021, and had a couple spells, but was OK. She said she was OK when she went to get her first COVID-19 Vaccine shot on Wednesday, 17Feb2021. Reported she had difficulty reading her COVID-19 Vaccine Immunization Card. She said the Pfizer COVID-19 Vaccine Lot Number looked like EN6200, and there was no NDC Number, or Expiration Date listed on the card. Reported she had blood work done at the hospital. No further details provided. Treatment included she was given Albuterol breathing treatments while in the hospital, along with some other things that she can't remember. Reported she believes her symptoms were medically significant because she was nervous from recently being to the Emergency Room for her severe chest pain a few days before. Reported she did not think her symptoms were from the COVID-19 Vaccine. She said she thought the cookie with marijuana in it caused her symptoms because the symptoms happened about 1-1/2 to 2 hours after she had the cookie with marijuana in it. Reported she feels very weak and tired. Reported yesterday (18Feb2021) while she was in the hospital, her head felt like it was going to explode when the hospital staff tried walking her around. She said she asked the hospital staff to check her blood pressure because her head will feel like that when her blood pressure is up. She said when the hospital staff checked her blood pressure, her blood pressure was elevated. Reported the pain in her legs is driving her crazy, so she called for an appointment with an orthopedist today. Reported she is feeling better, but is still experiencing a tightness in her throat. She clarified she felt the throat tightness on Wednesday, 17Feb2021. She said she has no problem swallowing or eating, but her throat feels tight. Vaccination Facility Type was Hospital. History of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available) was none. Additional Vaccines Administered on Same Date of the Pfizer Suspect was None. AE(s) required a visit to: Emergency Room (admitted to hospital), no Physician Office. Prior Vaccinations (within 4 weeks) was none.; Sender's Comments: The 83-year-old female patient had medical history included rheumatoid arthritis, fibromyalgia and carotid endarterectomy, and was on multiple concomitant drugs.  Considering temporal relationship, a possible contribution role of vaccination with BNT162B2 to the onset of the reported events, cannot be completely excluded.  The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to Regulatory Authorities, Ethics Committees and Investigators, as appropriate.