severe stomach pain; vomiting; diarrhea; dehydration; pancreas enzymes were elevated; blood sugar was high; pancreatitis; seizure; Eyes water for 18 days like a cold; Passed out four times in one day; Unsteadiness, hard to walk; feeling really weird; Sking was burning; she was freezing; Took her temperature and she was 101.8; get into diabetic ketoacidosis before she could be admitted; Pancreatic levels were up; This is a spontaneous report from a contactable consumer. This 51-year-old female consumer (patient) reported for herself that she received a dose of BNT162B2 (BNT162B2, Formulation: Solution for injection, Lot Number: unknown, Expiration date: unknown), via unspecified route, administered in left arm on Aug2021 as dose 1, single for COVID-19 immunization. The patient medical history includes Diabetes mellitus from Jan2020 and ongoing, ovarian tumour removed in Jan2020, hysterectomy in Jan2020, Ovarian cancer from an unspecified onset and unknown ongoing, Ovarian neoplasm surgery done in unknown date 2020. concomitant medications were not reported.  In Aug2021, 06 days after the vaccination, the patient experienced severe stomach pain, vomiting, diarrhoea, and eventually dehydration, Violently ill, Unsteadiness, hard to walk, Dizziness, Elevated pancreatic enzymes, Eyes watered, Blood sugar was over 300. Patient tried Zofran. Took two bottles of Imodium. Drank two bottles of Pepto over the 20 days. She is scared. She was so dehydrated the hospital was preparing her room for her to have a seizure. It was bad. Did brain scans and tests. Would not listen to her that it was not the stomach flu or pancreatitis.  Last time her diarrhoea was water and vomit were bile, It was hard for her to walk, she was scared to walk. She was dizzy. Her Eyes water for 18 days like a cold. She Passed out four times in one day. Caller was admitted to this hospital after her COVID-19 Vaccine first dose for pancreatitis. Wants to know where did it come from? She was admitted, given pain meds, fluids, potassium, and insulin. Was also given blood clot medicine. Did scans. Stayed for 1.5 days, almost 2 days. The ER doctor said she could go home, but to come back if it seems worse. Next day she wasn't feeling well. While driving, she was feeling weird. Skin was burning, but she was freezing. Took her temperature and she was 101.8. She never has a fever. She was miserable. As she was leaving from her CT scan, she passed out. Caller went home.  Couple days later, she felt worse. Passed out 4 times at her house. Called the doctor and went to a different hospital on 24Aug2021. She was admitted for the same thing. Pancreatic levels were up. She had no vitamins in her at all. Thought she was going to have a seizure she was so dehydrated. Brain scans were done because she passed out at the doors of the ER. Hospital was afraid why she is passing out. Hospital did all kinds of heart things. She was kept there for two days and started getting better. On pain meds and IVs but doesn't know what else. Was sent home and got better. She Was supposed to get second COVID-19 Vaccine. Doctors kept advising her to get the second shot. She had three weeks of hell. She can't be the only person who has experienced this. Maybe there's something in the vaccine she's allergic to. She is hurting and scared of what's coming. It was so violent when it woke her up at 4AM. She was told her pancreas enzymes were elevated and her blood sugar was high. Caller says the doctors "didn't believe it was from the covid shot". Caller was scheduled to receive her second dose on Friday and waited to receive the second dose on 31Aug2021 at 4:30pm. The patient lab data includes Blood glucose in Aug2021 which showed high value, another reading in same month showed over 300. Body temperature in Aug2021 with a 101.8 centigrade reading, Cardiac function test in Aug2021 Was told all her scans were good, Computerised tomogram in Aug2021 Was told all her scans were good, Brain test in Aug2021 with unspecified results. Pancreatic enzymes with unknown results in Aug2021, Brain Scan in Aug2021 with unknown results. On 01Sep2021 pancreatic enzyme test was found to be fine. The outcome of the events was unknown.  No follow-up attempts possible. No further information expected.