Acute pancreatitis; No appetite/he was starving himself to death; he lost all use of his extremities; Still not eating and is so weak/No energy/he still has no strength; Whole balance everything was off/His balance is horrible; he took 2 bites of food and vomited; Dizziness; Still not eating and is so weak; Affected his memory; This is a spontaneous report from a contactable consumer (patient wife). A 76-year-old male patient received second dose of BNT162B2 (mRNA PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Lot Number: EL9262; 76-year age at the time of vaccination), via an unspecified route of administration on 09Feb2021 as single dose for COVID-19 immunization. Medical history included allergy, blood pressure, kidney patient (on dialysis three times a week, so he was a kidney patient). Concomitant medication(s) included Insulin aspart (NOVOLOG) (He takes Insulin with each meal he takes 6 units of NovoLog with his Demeter 6 units), Amlodipine besilate (5 mg tablet) taken for Blood pressure as 5 mg (one tablet on Saturday and Sunday, Tuesday and Thursday), Atorvastatin (40 mg tablet), 40 mg daily, Acetylsalicylic acid (BABY ASPIRIN) daily, Cetirizine (5 mg tablets) for Allergy at 5 mg daily, Ascorbic acid, biotin, folic acid, mecobalamin, nicotinic acid, pantothenic acid, pyridoxine hydrochloride, riboflavin, thiamine (DIALYVITE) daily (1 pill daily), Docusate (DOCUSATE capsule) by oral 1 DF, 2x/day (One capsule by mouth twice a day), Fish oil (100 mg capsule) 100 mg, 2x/day orally, insulin glargine 1x/day (At bed time he takes 8 units of his Insulin glargine), Vitamin B complex (SUPER B COMPLEX [VITAMIN B COMPLEX]) and vitamin D3 daily; patient was taking other medications for kidney. The patient previously received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Lot number: EL3302; 76 Year age at time vaccination) on 21Jan2021 for COVID-19 immunization and experienced lost his appetite right away, extremely volatile vomiting, lost control of all of his extremities, this has all affected his memory, acute pancreatitis, barely moving, balance was horrible/his whole balance everything was off; had no strength. It was reported patient received his 1st Pfizer vaccine shot on 21Jan2021. He "lost his appetite right away and wasn't eating." Then on 29Jan2021 he took 2 bites of a meal, and "had extremely volatile vomiting and lost control of all of his extremities. My daughter had to help me get him up from the floor." the next day "he was able stand up and use the restroom by himself. This has all affected his memory, he cannot do his medications alone anymore and he cannot take care of himself." 09Feb2021 he received the 2nd vaccine dose. "Again that night he took 2 bites of food and vomited. The next day, he still had no appetite, he took shower and then went to bed with dizziness (10Feb2021) and no energy." stated she took him to the (hospital name) on 12Feb2021 and he was admitted to the (hospital name) with "acute pancreatitis (Feb2021) and was released on the 17Feb2021. They should have kept him longer, because he is still not eating and is so weak (Feb2021), I am worried." Further stated, " He had his first shot of the Pfizer on 21Jan2021 and then he violently threw up on the 29Jan2021 and from that's when on he had no appetite, I couldn't get him to eat anything. And then he had his second shot on the 09Feb2021. On Thursday, the 11Feb2021 he violently threw up again after taking two bites of food. And then on the 12Feb2021 I took him over to the (hospital name) because after when he vomited; he lost all use of his extremities (Feb2021). My daughter and I were having to pick him up of the floor, the Friday night 24 hours it was just horrible. Saturday morning he had gotten use of his extremities back but I mean barely moving and still very, his whole balance everything was off (Feb2021). Now when I took him into the hospital they diagnosed him with acute pancreatitis, but he still, he was in the hospital from Friday the 12Feb2021 and they released him on the 17Feb2021. And he still has no strength (Feb2021). His balance is horrible. It was affecting, whatever it is affecting his memory. the medical records when he went in the hospital and everything if they would like. They have no idea why he came down with acute pancreatitis and he never had any pain with it. They said we are amazed that he was not in severe pain, never any pain. I want to find out if they feel that it had anything to do with the vaccine and if it did if there's anything we can do to improve because he is terribly, terribly getting worse." also stated, "He started experiencing the problems right with in that time period of him getting both shots." Also reported, Affected his memory in Feb2021. Reporter stated, "Because I didn't know, he was starving himself to death (in Feb2021) he couldn't hold anything down. He wouldn't eat and when I went (incomplete sentence)" The seriousness was reported as hospitalization for the events Acute pancreatitis; Appetite lost; Muscle disorder; Asthenia. The outcome of the events was unknown.; Sender's Comments: Linked Report(s) : PFIZER INC-2021191555 Same reporter/patient/product, Different dose/AE