heart attack; cardiac problems; inflammatory response; chest pain; fatigue; diarrhea almost every day since the shot, except 2 or 3 days; pain; stomach pain/had a stomach ache in the pit of my stomach like I had a virus; Pain in Ribs; pain in her shoulders; This is a spontaneous report from a contactable consumer (patient).   A 68-years-old female patient received first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Lot Number: EN6206), via an intramuscular route on 08Mar2021 (at the age of 68-years) as 1st dose, single dose in the left arm for COVID-19 immunisation. The patient medical history included a list of allergies to various medications. She has a anaphylactic type reactions with contrast, iodine, and opiates, cardiac disorder, bladder infection, immune system problem, carcinoid tumour, severe pneumonia after being in contact with people from South America on Dec2019, experienced 104°F fever, vomit and GI tract infections, it was resolved after sleeping for 3 days and drinking liquids and irritable bowel, tubular adenoma. Concomitant medications were not reported. The patient previously took oral steroids, oral yeast infection medication, and tetracycline cause blisters all over to form. On unspecified date, the patient experienced diarrhoea, fatigue, chest pain, and pain in between ribs, Approximately 5 or 6 hours after vaccination she experienced pain in her stomach and ribs, this continued for up to 36 hours after vaccination, then, she experienced intermittent episodes of diarrhoea. Had also felt very tired, she did not wanted to went outside. Patient took BENADRYL for these symptoms. It was reported that patient had cardiac problems (did not mention the exact condition), after receiving the PFIZER-BIONTECH COVID-19 vaccine she felt pain in her shoulders, thought she was about to had a heart attacked. Due to her heart condition, many medications caused arrhythmias, she was unable to took muscle relaxers, pain medicines, or FLEXERIL. The patient had a history of immune problems (again, did not clarify what conditions), experiences frequent infections and had to used (unidentified) antibiotics, some antibiotics caused GI discomfort and infections. She was thinking that by the time the vaccine dna mixes with her dna. Asks for a resource where she could look up information. After having antibiotic-related as she ate yoghurt and ate a special diet of probiotics. She had a carcinoid tumour that doctors could've found. Patient wants to knew that she was having issues with her stomach and wants to knew how long would this went on. Got the shot on the 8th and it was been 3 weeks. Wants to knew if she could've took buttermilk since it puts the good bacteria backed into the stomach. Patient stated that irritable bowel that did not went away and researched this to helped herself and found foods to heal. She had a carcinoid tumour that they can't got to because she can't took contrast. They gave me contrast at 40 years old and it blew me up liked a blowfish. Patient started doing these shakes and about 6 weeks later, her diarrhoea quits but still had diarrhoea off and on. She bad reactions to antibiotics all the time since it gives me diarrhoea. The stomach ache went away but the diarrhoea continued. She had the diarrhoea almost every day since the shot, except 2 or 3 days. Back in Dec2019, they thought she had COVID since she had a large amount of antibodies so may not needed the second shot (as reported). She had bad diarrhoea after her first COVID vaccine for 10 days. After her second vaccine, it went away. She thought the second shot balanced it out. The outcome of the events was unknown. Follow-up (25Mar2021): This is a follow-up Spontaneous report from a contactable consumer. This consumer reported that no adverse event coded.  Follow-up (31Mar2021): This follow-up contains no new safety information.  Follow-up (07Apr2021): This is a follow-up Spontaneous report from a contactable consumer. This consumer reported that no new event (Not Coded).