Acute pancreatitis; passed out; Went into a coma; Complete kidney failure; Amnesia; Critical illness myopathy; Pain is continuous all over his body; he lost so much weight during this time; muscles hurt; His back, joints, and arthritis are now excruciating; Blood pressure 54/22; Sick for 7 days; Almost passed away; This is a spontaneous report received from contactable reporter (Consumer or other non-HCP). The reporter is the patient. A 53-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE), administration date 12Apr2021 (Lot number: ER8733) at the age of 53 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Type 2 diabetes mellitus", start date: 2019 (ongoing); "His back, joints, and arthritis" (ongoing). Concomitant medication included: METFORMIN taken for diabetes mellitus, start date: 2019 (ongoing). Vaccination history included: Bnt162b2 (DOSE 1, Lot Number: EN6205), administration date: 22Mar2021, when the patient was 53 years old, for Covid-19 immunization; Polio vaccine (he had a Polio Vaccine when he was 18); Pneumonia vaccine administration date: 1985, reactions: "redness" and "puss". The following information was reported: PANCREATITIS ACUTE (hospitalization) with onset 22Apr2021, outcome "recovering", described as "Acute pancreatitis"; LOSS OF CONSCIOUSNESS (hospitalization) with onset 22Apr2021, outcome "unknown", described as "passed out"; NEAR DEATH EXPERIENCE (medically significant) with onset Apr2021, outcome "recovering", described as "Almost passed away"; COMA (medically significant), outcome "recovering", described as "Went into a coma"; RENAL FAILURE (medically significant), outcome "recovering", described as "Complete kidney failure"; BLOOD PRESSURE DECREASED (medically significant) with onset 22Apr2021, outcome "unknown", described as "Blood pressure 54/22"; AMNESIA (non-serious), outcome "recovered", described as "Amnesia"; INTENSIVE CARE UNIT ACQUIRED WEAKNESS (non-serious), outcome "not recovered", described as "Critical illness myopathy"; PAIN (non-serious), outcome "not recovered", described as "Pain is continuous all over his body"; ILLNESS (non-serious) with onset 12Apr2021, outcome "recovered", described as "Sick for 7 days"; WEIGHT DECREASED (non-serious), outcome "unknown", described as "he lost so much weight during this time"; MYALGIA (non-serious), outcome "unknown", described as "muscles hurt"; ARTHRITIS (non-serious), outcome "unknown", described as "His back, joints, and arthritis are now excruciating". The patient was hospitalized for pancreatitis acute, loss of consciousness (start date: 22Apr2021, discharge date: 07May2021, hospitalization duration: 15 day(s)). The events "acute pancreatitis" and "passed out" were evaluated at the emergency room visit. The event "amnesia, muscles hurt and  back, joints, and arthritis are now excruciating" was evaluated at the physician office visit. The patient underwent the following laboratory tests and procedures: blood pressure measurement: (22Apr2021) 54/22; weight: (unspecified date) he lost so much weight, notes: Caller states that he lost so much weight during this time. Clinical course: Patient thinks he had a reaction to the vaccine.  Said that it put him in the hospital and he almost passed away in Apr2021 from acute pancreatitis. This occurred 10 days after receiving the vaccine. Caller stated that he almost died. He went into a coma. He was in the ICU for a month. He was still recovering from being in there for so long.  Stated he was still not right, his kidneys went out and everything. Stated he had amnesia and cannot remember one week. He was seeing the psychiatrist related to that amnesia. He got sick for 7 days after getting his second dose of the vaccine on 12Apr2021. On the tenth day after the vaccine, 22Apr2021, he stated that he crashed, passed out, and barely made it to the Emergency Room.  He did not remember 7 days of this. Stated he was on bed rest for over a month. Caller stated that he lost so much weight during this time. Later in the call the caller also mentioned that all of his muscles hurt. His hands and feet were super hard to manipulate.  His back, joints, and arthritis were now excruciating.  Stated this was critical illness myopathy. Stated that this was the result of being in the ICU for so long. Said that he had to see a neurologist for the pain he had 24 hours a day 7 days a week. Caller states that he was grateful that his pancreatitis and his kidneys are improving; but the pain was continuous all over his body. Caller also mentioned later in the call that when he went to the Emergency Room his blood pressure was down to 54/22 and he almost did not make it.  Caller stated he was also in complete kidney failure as from the pancreatitis. Caller also stated that he had decreased from 2000 mg of metformin to 1000mg before the vaccine. Said now he was back on full metformin and insulin since being sick.