Lost consciousness; dizzy like she was about to faint; twitching and shaking; eyes went to one side; she was about to faint; seizure; Diarrhea; chills; head hurting; eyes hurting; Muscle soreness; joint pain; Nausea; temperature of 99.3; This is a spontaneous report from a contactable consumer (daughter of patient) and another consumer. A 59-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), dose 2 via an unspecified route of administration, administered in Arm Left on 13Apr2021 16:21 (Lot Number: EW0164; Expiration Date: Aug2021) at vaccination age of 59 years old as single dose for covid-19 immunisation.  Medical history included vertigo, antacid therapy. Concomitant medication included esomeprazole magnesium (NEXIUM 24HR) taken for antacid therapy from an unspecified start date and ongoing.  No additional vaccines administered on same date of the Pfizer Suspect. The patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Lot EP7533), on 23Mar2021 at 17:38 PM at age of 59 years old in the right arm as single dose for covid-19 immunisation and only had a little bit of muscle soreness on her right arm on 23Mar2021 after the first dose and it went away the day after (24Mar2021). The patient took Tetanus shot about two weeks before the first dose of the Pfizer COVID 19 vaccine. Then received the second dose on 13Apr2021 16:21PM in the left arm. After the second dose she had chills; her head was hurting; her eyes were hurting; she had muscle soreness; she had joint pain all yesterday 14Apr2021. Then this morning 15Apr2021, after taking a Tylenol and getting a shower she felt dizzy like she was about to faint. Her mother had vertigo but this was not like her usual vertigo. Her mother sat on the bed and started to have what looked like a seizure with twitching and shaking; then she lost consciousness. Her mother's eyes were open and they saw her mother's eyes twisted, went to one side, and she fell back on the bed. They called at 05:30 AM and the ambulance arrived quickly but by the time they arrived she had regained consciousness. They recommended she follow up with HCP. They called the doctor who advised her to rest, and make an appointment to see the doctor tomorrow. Reporter clarified her mother had the chills from 10:00 AM today (15Apr2021) and had them day with a lot of headache, eyes hurting goes along with the headache, and she had a temperature of 99.3. The chills and temperature resolved last night then the eyes hurting ended this morning (15Apr2021) with the headache. All of the other symptoms resolved yesterday (14Apr2021). She also had nausea that started yesterday (14Apr2021) and she started to have diarrhea once today (15Apr2021)and felt like it had stopped. The nausea was coming and going from time to time. The events did not require a visit to emergency room or physician office. The outcome of events chills, muscle soreness, joint pain, temperature of 99.3 was recovered on 14Apr2021. The outcome of events Lost consciousness, head hurting, eyes hurting, felt dizzy, twitching and shaking, eyes went to one side, Diarrhea was recovered on 15Apr2021. The outcome of event seizure, she was about to faint was unknown. The outcome of event nausea was recovering.