wobbly and hardly able to walk; terrible; Dizzy; she fell asleep on sofa / would not wake up; sore arm; no recollection of the phone call; tired; This is a spontaneous report from a contactable consumer (patient). A 56-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection, Lot number was not reported), via an unspecified route of administration, administered in right arm on 05Feb2021 at 12:00 (age at vaccination was 56-year-old) as dose 1, single for COVID-19 immunization. The patient's medical history included leg and back spasms, Ehlers-Danlos syndrome (diagnosed prior to vaccine), pain (takes oxycodone, and acetaminophen and codeine; both on and off since the 1980s); allergic to stuff and to a skin product that goes on her feet, and secondary infection. Concomitant medications included caffeine, codeine phosphate, paracetamol (ACETAMINOPHEN WITH CODEINE, reported as 300 mg / 30 mg tablet) from an unspecified date for pain, ongoing clobetasol from 04Feb2021 for allergic reaction to a skin product, ongoing diazepam (VALIUM) from Jan2021 for leg spasms and pain management for Ehlers-Danlos syndrome, ongoing doxycycline from an unspecified date for secondary infection, oxycodone 10 mg tablet from an unspecified date for pain and paracetamol (TYLENOL) from an unspecified date for pain management for Ehlers-Danlos syndrome. The patient didn't receive any other vaccines within 4 weeks prior to COVID vaccine. The patient experienced sore arm, no recollection of the phone call, and tired all on 05Feb2021; dizzy and she fell asleep on sofa on 06Feb2021; would not wake up, wobbly and hardly able to walk, and terrible all on 07Feb2021. The patient further reported that she was in the COVID-19 clinical trial. The patient had the vaccine on 05Feb2021 at 12:00 and had a sore arm. She stated that on the evening her friend called, and she has no recollection of the phone call because she was so tired. On 06Feb2021 (next morning, Saturday) when she woke up, she was really dizzy, knocked a lamp over and cut her hand opening a box, went to ER and got it glued. She fell asleep on sofa on night and her mother called her 8 times on morning of 07Feb2021 (Sunday) and she would not wake up. The patient's mother came into her house and aroused her. She was wobbly and hardly able to walk. She triaged herself with primary care who told her to go to the emergency room and it took 3 people to get her to there. She was in the emergency room all day (Sunday), patient was very tired, just terrible, and couldn't make phone calls or hold drinks. The patient was not admitted. She went to primary care doctor and asked to test her for everything. She did blood work and exact values were not provided. It was reported that her immune system is off the charts and she was afraid of taking the second dose of the vaccine. The patient underwent lab tests and procedures which included blood test (blood work) with unknown results on 07Feb2021. The outcome of the event sore arm was recovered on 07Feb2021, tired was recovering; dizzy, wobbly and hardly able to walk was recovered all on 08Feb2021 and while the outcome for all the other events was unknown.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.