caller had a upper GI and she had gastritis; terrible acid reflux,I just wanted to die it was so bad; shortness of breath; spasms in her esophagus; The pain was excruciating; She still has chest tightness and hurts in the middle; She still has chest tightness and hurts in the middle; has lost weight due to all of this; she had Chest and lung scans done and there was a lymph node seen; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 61 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 08Apr2021 (Lot number: ER8729, Expiration Date: 31Jul2021) at the age of 61 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Diabetes", start date: 2005 (unspecified if ongoing); "acid reflux" (unspecified if ongoing), notes: she first came down with acid reflux in the 90's, late 90's; "sickness" (unspecified if ongoing), notes: She had other sickness and she was a candidate to take it, so she took it. The patient's concomitant medications were not reported. Past drug history included: Metformin, start date: 2015, for Diabetes, reaction(s): "gastritis"; Metformin, start date: 2015, for Diabetes, reaction(s): "acid reflux". Vaccination history included: Bnt162b2 (DOSE: 01, Lot: ER2613, Expiration: 31Jul2021, NDC: unknown, It was administered in right arm), administration date: 18Mar2021, when the patient was 61 years old, for COVID-19 Immunization, reaction(s): "terrible acid reflux,I just wanted to die it was so bad", "She was in so much pain"; Flu shot, for Immunization; Pneumonia shot, for Immunization.  The following information was reported: LYMPHADENOPATHY (non-serious) with onset 2021, outcome "unknown", described as "she had Chest and lung scans done and there was a lymph node seen"; GASTROOESOPHAGEAL REFLUX DISEASE (non-serious) with onset 11Apr2021, outcome "not recovered", described as "terrible acid reflux,I just wanted to die it was so bad"; DYSPNOEA (non-serious) with onset 11Apr2021, outcome "not recovered", described as "shortness of breath"; OESOPHAGEAL SPASM (non-serious) with onset 11Apr2021, outcome "recovering", described as "spasms in her esophagus"; PAIN (non-serious) with onset 11Apr2021, outcome "not recovered", described as "The pain was excruciating"; CHEST DISCOMFORT (non-serious), CHEST PAIN (non-serious) all with onset Apr2021, outcome "not recovered" and all described as "She still has chest tightness and hurts in the middle"; GASTRITIS (non-serious) with onset 04Jun2021, outcome "not recovered", described as "caller had a upper GI and she had gastritis"; WEIGHT DECREASED (non-serious) with onset 2021, outcome "unknown", described as "has lost weight due to all of this". The events "she had chest and lung scans done and there was a lymph node seen", "terrible acid reflux,i just wanted to die it was so bad", "shortness of breath", "spasms in her esophagus", "the pain was excruciating", "she still has chest tightness and hurts in the middle", " still had chest tightness and hurts in the middle", "caller had a upper gi and  had gastritis" and "has lost weight due to all of this" were evaluated at the physician office visit and emergency room visit. Relevant laboratory tests and procedures were available in the appropriate section. Therapeutic measures were taken as a result of gastrooesophageal reflux disease, pain.  Additional Information:Patient took the flu shot and  had took the pneumonia shot. Patient had to do the shingles, but had not yet because had been sick. The shingles shot was painful. Reporter confirmed that had not received shingles shot yet.  Additional Vaccines Administered on Same Date of the Pfizer Suspect was none.History of all previous immunization with the Pfizer vaccine considered as suspect was not associated. Patient went to the Emergency Room and Physician Office. No Prior Vaccinations (within 4 weeks) was not reprted.Description of complaint: reporter reported adverse event with COVID19 Vaccine. After patent  had the shot  got like a bad case of acid reflux.  still had chest tightness and hurts in the middle. Patient  was taking medication the gastro doctor gave her and still having acid reflux. Carafate blocks her up, so  stopped that. taking Prilosec and the pill  puts under the tongue that upposed to help with pain. The pain was not like it was, but patient was  still having pain. Patient was still experiencing acid reflux at that time and they did an Upper GI. Upper GI was on 04Jun2021 after the vaccine and it showed gastritis.  No follow-up attempts are possible. No further information is expected.