gastrointestinal symptoms and has been hospitalized following both doses of the covid vaccine.; I was hospitalized 2 weeks ago and I've been to the ER 4 times for fluids because I'm so weak; diarrhea; severe pain in my left abdomen; bad taste in her mouth; vomiting/sometimes she throws up her meds; she is seriously exhausted; This is a spontaneous report from a contactable consumer.   A 52-years-old(age of vaccination) female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), dose 1 via an unspecified route of administration on 2021 (Batch/Lot number was not reported) as dose 1, single, dose 2 via an unspecified route of administration on 2021 (Batch/Lot number was not reported) as dose 2, single for covid-19 immunisation.  Medical history included gastrooesophageal reflux disease from 2017 and ongoing. There were no concomitant medications. Patient is a 52 year old female consumer, who reportedly experienced gastrointestinal symptoms and has been hospitalized following both doses of the covid vaccine. She reportedly has a specific question about 1 symptom; a bad taste in her mouth, asking if its related to the vaccine and should it be gone by now? She reportedly received the vaccine 2 months ago, no exact dates provided, no lot number as the she reportedly does not have a vaccination card. Patient stated "I could be better" reporting that she has had a bad taste in her mouth for 3 months and every time she has been tested for covid it has been negative. Patient reported that she has GERD and can only eat certain things otherwise she will throw up. She can eat mashed potatoes and gravy, sometimes she throws up her meds. She reports "I have diarrhea, I have severe pain in my left abdomen, I was hospitalized 2 weeks ago and Ive been to the ER 4 times for fluids because Im so weak. I can't barely do anything around the house. She asking, could I have covid or could the bad taste in my mouth be because I have covid even though I tested negative? She asking if having a covid infection could cause a bad taste in her mouth. Attempted to clarify if she had questions about the covid vaccine, she asking about having covid and having a bad taste in her mouth and denied any other questions at this time. No questions about her other symptoms. She reports that her symptoms started 3 months ago, and it was reported that she had the vaccine about 2 months ago but no dates were provided. She asking about symptoms and if they are related to having covid, referred to HCP for evaluation, discussion and guidance. She had both doses of the Covid vaccine shot, was hospitalized two months after having both doses of the vaccines. She confirms details provided by transferring agent. She clarifies she went to the hospital for gastrointestinal issues that started after the doses of the Pfizer Covid vaccine, states she did not have problems with the second shot, states after the first dose she did have some flu like symptoms. Clarifies that she has GERD and states she keeps having abad taste in her mouth and severe pain in left abdomen, diarrhea and vomiting. States she was diagnosed with GERD prior to vaccines but the other symptoms started about 2 months after the vaccines. She does say she has been seeing her gastroenterologist since 2017. States she got the shots done at (withheld)  but they are not there anymore so she cannot get a copy of her patient vaccination record card. States she received the first dose 2-3 months ago. Unknown exact dates. She states she has been to the emergency room 4 times about her symptoms and was admitted to the hospital for a week about 2 weeks ago. Exact dates unknown. States the surgeon said there was nothing he could do for her. NDC, Lot, Expiration dates, dosages unknown, She does not have patient record card. She states she is seriously exhausted. She wants to know specifically if the bad taste in her mouth should be gone by now if it is caused by the vaccine. Outcome was unknown for fatigue and not recovered for other events. Treatment received for weakness.  Information about batch/lot number has been requested.