Grand mal seizure; Neurological problems; could not talk; he knew the answer but he could not verbalize the answer; Massive migraines; anxious he starts stuttering; anxious he starts stuttering; This is a spontaneous report from a contactable consumer. A 68-year-old male consumer received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot number: EN6204, Expiry date: 30Jun2021) via an unspecified route of administration on left arm on 18Mar2021 14:40 at single dose for COVID-19 immunisation. The patient medical history and concomitant medications were not reported. The patient never had seizures until after taking the COVID vaccine. There was no History of all previous immunization with the Pfizer vaccine considered as suspect. The patient was not administered with any other additional vaccines but was taking vaccinations for the flu, pneumonia, and everything his whole life and has never had reaction to any one of them. The patient had not received any prior vaccinations within 4 weeks. The patient previously received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot number: EM9809, Expiry date: 30Jun2021) via an unspecified route of administration into the left arm on 25Feb2021 as single dose for COVID-19 immunisation. On 20Mar2021, the patient stated that the problem was that he started developing neurological problems where he could not talk for about two days after he got the second shot. He stated his wife did not notice the symptoms and the work he does 99% of the time, he does not have to talk to anyone. But the problem was, the last day he worked which was over two weeks ago, he almost jeopardized two major accounts because he did not realize what he was saying. He spent a week in the intensive care unit (ICU) and had lost over two weeks of work well actually closer to three weeks. The patient was barely getting back to the point of feeling normal and he could not tell about all of the neurologists he had talked to but it had been at least four and he had to go see his personal neurologist now. He Stated that he had to be put on medication and was in the intensive care unit for over a week and the reason was is because he had to be put on medication to stop the seizures. He stated he has to take medication for the rest of his life and also had a hospital stay in the intensive care unit and this continued until he went to the intensive care unit and was transported by ambulance on Tuesday 04May2021.  He could not talk when someone asked him a question, he knew the answer, he could sit there and hear someone but he could not verbalize the answer, this stopped and was taking medication that stopped it. But on 04May2021, he had a grand mal seizure and his wife called 911 and he was taken to the hospital and then transferred to the ICU for a week. The event Grand mal seizure resulted in hospitalization and was in hospital from 4May2021 to 11May2021. He stated he had to be put on medication to stop the seizures. He had some more grand mal seizures in the hospital. He stated that he was taken to  Hospital where he was in the emergency room from 9 o'clock to 2:30 in the morning and then was transferred to Hospital where he was admitted to the intensive care unit. He does not have these anymore but he was not sure exactly when his last one was but he was in the hospital. On 20Mar2021, he also has had massive migraines a couple of times a day (two times a day) and then he got to the point that if he got anxious he started stuttering. He stated the symptoms started about two days after the second shot, so suspect product was the second dose. The patient took the COVID 19 shot because they said he needed to. The events resulted in Emergency Room visit and Physician Office. There was no relevant laboratory tests reported. The treatment included that he confirmed that he was given medication in the hospital for his symptoms and was taking medication at home. The outcome of the events Neurological problems, could not talk was unknown. The event Grand mal seizure was recovered on an unspecified date in May 2021, While other events Massive migraines, anxious he starts stuttering was not recovered/Not resolved.  Information on Lot/Batch number was available. Additional information has been requested