subdural hematoma; brain bleed; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 48-year-old male patient received BNT162b2 (COMIRNATY), on 19Apr2021 as dose 2, single (Lot number: EP7534) at the age of 47 years, in left hand for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: BNT162b2 (Dose number: 1, Lot number: EP7533, Anatomical location: Left hand.), administration date: 29Mar2021, for Covid-19 immunization; Cold vaccine (Maybe 10 or 12 years ago did cold vaccine. ). The following information was reported: SUBDURAL HAEMATOMA (hospitalization, medically significant) with onset 13Oct2021, outcome "unknown", described as "subdural hematoma"; CEREBRAL HAEMORRHAGE (medically significant), outcome "unknown", described as "brain bleed". The patient was hospitalized for subdural haematoma (start date: 13Oct2021, discharge date: 16Oct2021, hospitalization duration: 3 day(s)). The event "subdural hematoma" required emergency room visit. The patient underwent the following laboratory tests and procedures: Scan: (13Oct2021) they did scans and found 3 liters blood. Therapeutic measures were taken as a result of subdural haematoma, cerebral haemorrhage. Clinical information: Patient reported that he was 48 years old when he had subdural hematoma, 49 years old now) calling for Pfizer covid vaccine wanted to know if subdural hematoma has been reported with the vaccine. He was worried as he has subdural hematoma but he did not hit his head. He stated the doctor told him its not the vaccine what caused it, he might have hit his head and he forget about it. He stated it happened 6 months after taking the covid vaccine. He rides bike 30-40 km and nothing happened to him before. But now 6 month later of getting the vaccine he has brain bleed. He stated he was very suspicious of the vaccine and will not be taking any other dose. He need to have the blood grained from the head. He stated his childhood friend, same age and received the Pfizer covid Vaccine experienced the same subdural haematoma / brain bleed. He also did not hit his head. Patient states that 9 months ago, had something called subdermal hematoma, a brain bleed in the brain. Had the vaccine and Oct2021, had issues. Clarified Patient was referring to the Covid vaccine. Had the second vaccine, he thinks 3 weeks after the first one. 13Oct2021, had subdural hematoma and the doctor was telling him he had to have hit his head or been in a car accident. Couldn't remember hitting his head. Basically, had a brain bleed. They drilled 5 holes in his head, to take blood out. Was suffering for 6 months, now was doing better. Thinks it was because of the vaccine. Three weeks ago, talking to childhood friend who was same age, maybe a year younger, had the same situation and doesn't remember anything either. He had the Pfizer vaccine as well. This was the only thing in common between him and his friend. The other guy had the Covid vaccine and didn't hit his head. Was told that subdural hematomas only happen if in an accident or by hitting the head. Clarified that Patient wants to know if subdural hematoma has been reported with the Covid vaccine. 14Oct2021, they did surgery, had 3 liters blood in his head. Went to urgent care first, 13Oct2021, they did scans and found 3 liters blood. Sent in ambulance to Hospital. Admitted him and did surgery, drilled holes in his head. Was in hospital 3 days. Does not do vaccines. Maybe 10 or 12 years ago did cold vaccine.  No follow-up attempts are possible. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202201037930 Same product and event, different patient;