internal bleeding/internal bleed in the stomach ; Anemia; he had a mild stroke; ischemic stroke.; Swelling aggravated/swelling doubled it size; When attempted to clarify outcome commented it effected his left leg. He has almost fully recovered. However, it aggravated the swelling; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 69-year-old male patient received BNT162b2 (BNT162B2), on 03Sep2021 at 13:00 as dose 2, single (Lot number: FE3592) at the age of 69 years intramuscular, in left arm for covid-19 immunisation. The patient's relevant medical history included: "A-Fib" (ongoing), notes: A-Fib Start-3 almost 4 yeas ago and reason on blood thinners; "pain killer" (unspecified if ongoing). Concomitant medication(s) included: PREGABALIN taken for pain (ongoing); TRAMADOL HCL taken for pain. Vaccination history included: coviD-19 vaccine (Batch/lot number: EW0164   , Time: Received it at 1PM. , Route of Administration: intramuscular, He clarified as ten days after the first vaccination he had  swelling that developed on the right side;  thoracic area. It showed up overnight.), administration date: 13Aug2021, when the patient was 69-year-old, for COVID-19 Immunization, reaction(s): "swelling". The following information was reported: SWELLING (non-serious) with onset Sep2021, outcome "not recovered", described as "Swelling aggravated/swelling doubled it size"; CONDITION AGGRAVATED (non-serious) with onset Sep2021, outcome "not recovered", described as "When attempted to clarify outcome commented it effected his left leg. He has almost fully recovered. However, it aggravated the swelling"; ANAEMIA (hospitalization) with onset Aug2022, outcome "recovered", described as "Anemia"; GASTRIC HAEMORRHAGE (hospitalization, medically significant) with onset Aug2022, outcome "recovered", described as "internal bleeding/internal bleed in the stomach "; CEREBROVASCULAR ACCIDENT (medically significant) with onset Sep2022, outcome "recovered with sequelae", described as "he had a mild stroke"; ISCHAEMIC STROKE (medically significant) with onset Sep2022, outcome "recovered with sequelae", described as "ischemic stroke.". The patient was hospitalized for anaemia (start date: Aug2021, discharge date: Aug2021, hospitalization duration: 4 day(s)). The patient underwent the following laboratory tests and procedures: Computerised tomogram: Unknown results; Haemoglobin: dangerously low; everything is fine; Lab test: all the numbers are normal; Unknown results; Magnetic resonance imaging: Unknown results; Ultrasound scan: Unknown results. Therapeutic measures were taken as a result of anaemia, cerebrovascular accident, ischaemic stroke, gastric haemorrhage, swelling, condition aggravated.  Clinical course: Reporter had called requesting to report an adverse on the Pfizer COVID-19 vaccine.Confirmed details were provided. The withheld administered the vaccine over 1.5 year ago. He has been dealing with painful adverse event.He clarified as ten days after the first vaccination he had swelling that developed on the right side; thoracic area. It showed up overnight. After 1.5-year half, a couple months ago he had a mild stroke and anemia. He has photos and the swelling is very visible. Event Details were Swelling was it is larger and worse. He then commented he had additional details, but when attempted to clarify details he did not elaborate. The swelling was  on the right side. Time noticed: 8:00AM, checked self every morning it was not there the day before. He was when alarmed showed up overnight. Later added since the stroke the swelling has gone over to the left side and is visible. He has many photographs and the withheld has no idea what it is.Stroke is Clarified as a mild/ischemic stroke. Outcome was  When attempted to clarify outcome commented it effected his left leg. He has almost fully recovered. However, it aggravated the swelling. Time was About 4 AM on Sunday night. That Friday he was at the withheld and the anticoagulation center contacted him concerned about his hemoglobin. He was informed to stop taking his blood thinner. He did, then that Sunday he had a stroke.Clarified the blood thinner to be the brand, Eliquis. Eliquis had Lot, exp, NDC, clarified as in orange pharmacy filled bottle, lot and exp Unknown. Referred to as Apixaban, but confirmed as Eliquis and takes the brand. Discard after was on 07Dec2023.When going to get Eliquis commented he just got off the walker 3 days ago and now back on cane. Anemia condition was Unable to provide. Commented it has been building up for months. He had small internal bleed in the stomach for months. The bleeding went on for months and months. They did lab work up at withheld and told him hemoglobin was dangerously low and needed to the nearest hospital. Confirmed was admitted to the hospital. The anemia was from an internal bleed. Treatment had 2 blood transfusion. The Hospitalization Was there about four days. Outcome reported was Confirmed everything is fine and all the numbers are normal. Internal bleeding condition was  Commented all of this would be guessing. Was informed the internal bleeding probably started at the time when he first started feeling extreme fatigue which would have been 4-5 months preceding the anemia. It gradually occurred over time which gave extreme fatigue. Happened over long period of time. Treatment was  Catharized, Outcome reported was  Internal bleeding on the operating table. Had the surgery on the 3rd day hospitalized in Aug2022 due to anemia. On the 4th day he was discharged. The lab work should everything back to normal. Commented he had  taken 18 pills a day. Declined to provide full details of concomitant medications. It would be a long list. However, he is on no opioids he only pain killers, details captures as provided; Tramadol and Lyrica ,Later added he is on diabetes and blood pressure medication; no additional details provided. They have been looking at this and trying to figure out what it is. They won't make connection to vaccine until know what it is. Reporter is worried this thing will kill him and won't find out what it is. It, the swelling, is spreading to the other side. It is extremely visible, and very alarming. Two weeks after the second vaccine , swelling doubled it size. Pfizer COVID Vaccine  Prior Vaccinations (within 4 weeks): Might have had the flu shot. If had one, that would be it. Added, now they want to schedule a Shingles shot a couple months ago, but wanted to wait in regards to what is going on now. He is refusing anymore vaccines.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300074037 same reporter/patient/drug, different doses/AE;