Age: 68.0
Sex: M
Vaccine: COVID19, COVID19, COVID19, COVID19
Symptoms: Amnesia, COVID-19, Electroencephalogram, Magnetic resonance imaging, SARS-CoV-2 test
Clinical narrative: memory is still affected; In the middle of Feb2022 all of a sudden one day, caller couldn't remember anything back to 01Nov2021; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 68-year-old male patient received BNT162b2 (BNT162B2), on 28Oct2021 at 09:00 as dose 3 (booster), single (Lot number: 32030BD) at the age of 68 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "smoker" (unspecified if ongoing); "Interchange of vaccine products" (unspecified if ongoing), notes: first 2 shots were the Moderna; 3rd dose: Pfizer. There were no concomitant medications. Vaccination history included: moderna coviD-19 vaccine (1st dose: Thinks this is the lot number that they wrote, 010M20A.), administration date: 03Feb2021, when the patient was 67-year-old, for COVID-19 Immunization; moderna coviD-19 vaccine (.2nd dose: Lot number 036A21A.), administration date: 03Mar2021, when the patient was 67-year-old, for COVID-19 Immunization; Flu vaccine (Vaccine Name: Flu vaccine, thinks it was Flucelvax or something like that., Manufacturer: Unknown, Anatomical Location: Left arm), administration date: Sep2021, when the patient was 67 years old, for Immunization. The following information was reported: AMNESIA (non-serious) with onset Feb2022, outcome "unknown", described as "In the middle of Feb2022 all of a sudden one day, caller couldn't remember anything back to 01Nov2021"; MEMORY IMPAIRMENT (non-serious), outcome "not recovered", described as "memory is still affected". The events "memory is still affected" and "in the middle of feb2022 all of a sudden one day, caller couldn't remember anything back to 01nov2021" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of memory impairment, amnesia.  The patient's had no medical history (including any illness at time of vaccination) or family medical history relevant to AE. Prior vaccinations he experienced no adverse events. The patient had to rebuild his life, went back and read all of his texts and emails to catch up on things, he couldn't remember. Found out that he had a problem when he got lost in his neighborhood driving and couldn't remember where he was. He asked to remind him what they were talking about. He got lost like a mile from where he lived and he had lived in the area for 30 years. He got lost in the car 22Feb2022, doesn't remember how many days before getting lost in the car that the reporter realized he couldn't remember anything. Getting lost in the car is when caller realized he needed to escalate this. His memory was still affected and it was ongoing, persisting, hasn't improved and hasn't gotten worse. At the beginning of Apr2022, the patient was informed that people were trying this drug Memantine for Covid fog. So he took a 4 week course of that drug and had no good effects from that drug, the drug just made caller more sleepy. Took the medication for 4 weeks felt like it didn't do anything and threw the medication away. Dose: Take 1 pill the first week, 2 pills the second week, 3 pills the third week, 4 pills the fourth week, 70 pills total that the caller was prescribed, thinks the dose was .5mg but not sure. Therapy start date: Thinks 18Apr2022, stopped taking 4 weeks later, so last one would have been 14May2022. He corrected the dates to 15Apr2022 to 13May2022. Emergency Room was not required. He got an MRI and EEG on 15Mar2022 and was cleared. On 27Mar2022 he was tested positive for Covid.