psychotic experience; exhausted/very tired/strange bizarre fatigue; he was hallucinating; he wasn't asleep; he feels very sad; he was anxious; he has brain fog/Caller states the patient felt very paranoid and thought somebody was going to hurt him.; strange depressive symptoms; This is a spontaneous report received from a contactable consumer (patient) reported that a 83-year-old male patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, solution for injection, Lot number: EN6200) via an unspecified route of administration at Left arm on 25Feb2021 09:30 (at the age of 83-years-old) as dose 2, single for COVID-19 immunisation. The patient medical history was reported as none. There were no concomitant medications. Family Medical History Relevant to AE(s) and relevant test reported as None. Additional Vaccines Administered on Same Date of the Pfizer Suspect was reported as none. Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine(s) was reported as None. Patient previously received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, solution for injection, Lot number: EM9809) via an unspecified route of administration on 04Feb2021(at the age of 83-years-old) as dose 1, single for COVID-19 immunisation. It was reported that the patient states he wanted to report reaction he had to the second Pfizer Covid Shot, administered on 25Feb2021. States he felt fine after he had the shot, just felt exhausted, states the next day he had a psychotic experience, he woke up around 01:30 in the morning and got very confused and thought someone was out to harm him, states it was an exceptional experience. He spoke with a nurse and they thought it may have had something to do with the vaccine. Patient was asking has anyone else reported this. Patient further stated that he had a doctor friend, called her when he had this reaction and they told her this was more than likely a result of the injection, has a dear friend that had passed away that day and thought maybe that was on his mind as well and triggered the episode. Caller stated that she was calling for her father and to update Pfizer. Caller states that her father had a very extreme reaction to his second vaccine. Caller states that her father did already report those. Caller states that her father got his second dose on 25Feb2021, and the caller just wants to update Pfizer, that her father was not fully recovered yet, he was not fully better. Caller confirms that her father has already reported these events, she states that he was on the phone with Pfizer for quite some time, but she was not sure what date her father called. Caller reports that her father had what could only be prescribed as a psychotic episode after he had the shot. Caller states he was very tired and then he was hallucinating. Caller states he had this psychotic episode and he knew it wasn't normal and thought he must be asleep, walking around, but knew he wasn't asleep. Caller states the patient felt very paranoid and thought somebody was going to hurt him. Caller states she was calling so Pfizer knows about it, again. Caller reported that since that time he just feels, he's not psychotic anymore, he just can't measure time from that time. Caller states he thinks it was half an hour he was psychotic for and since then he's just exhausted and he feels very sad. Caller states she thinks he was anxious for the first few days but now its been weeks and he has to nap every hour or two and he's just not the same. Caller states just something happened, and he has brain fog and is just super sleepy now. Caller states that patient was not psychotic anymore at all, he was totally cognizant, he was just having strange bizarre fatigue, strange depressive symptoms, feels sad and tired and it's like something happened that day that just flipped a switch for him and he's not able to get better. Caller stated that he had his doctor prescribe him an antidepressant. Caller states he's never been on anything like that, he's never had to take anything like that. Caller states it takes some time to enter the body, she believes he started taking that 11Mar2021, but she's not 100% on that. Caller states the doctor just felt like he needed a boost of something. She believes it is Sertraline 25 mg, once a day. Caller states he's taking it every day at the same day everyday. Caller reports her father was being very careful. Patient was able to go about his business, everything's just so much harder for him. Caller states that she thinks her father was tired and just doesn't want to deal with it. Caller reports she knows there have been people who have had psychotic episodes after having covid but not sure about after the shot. Caller states that she was just calling, more to let Pfizer know. Caller reports the good news was it's not getting better, but not getting worse.The patient experienced exhausted/very tired/strange bizarre fatigue on 25Feb2021 and psychotic experience on 26Feb2021 and he was hallucinating, he wasn't asleep, he feels very sad, he was anxious, he has brain fog/caller states the patient felt very paranoid and thought somebody was going to hurt him, strange depressive symptoms on an unspecified date in 2021. The events was reported as non-serious. Patient did not visit any physician office or emergency room for the events. Patient received treatment with antidepressant of sertraline 25 mg for psychotic experience, he was hallucinating, he feels very sad, he was anxious, strange depressive symptoms. Outcome of events exhausted/very tired/strange bizarre fatigue and psychotic experience was recovering and remaining all events was unknown.  No follow up attempts are possible. No further information is expected.