1-2 loose bowel movements, but not like diarrhea; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 74 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in arm right, administration date 20Mar2021 11:30 (Lot number: EN6207) at the age of 74 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "copd" (unspecified if ongoing); "diverticulitis" (unspecified if ongoing); "diabetes 2" (unspecified if ongoing); "blood pressure" (unspecified if ongoing); "high cholesterol" (unspecified if ongoing); "partial arterial blockages" (unspecified if ongoing); "excess salt" (unspecified if ongoing). Concomitant medication(s) included: CLOPIDOGREL; IRBESARTAN; HYDROCHLOROTHIAZIDE; METFORMIN; FLUVASTATIN; EZETIMIBE; TAMSULOSIN; IBUPROFEN; ASPIRIN BAYER; VITAMIN D NOS; FLUTICASONE. Vaccination history included: Bnt162b2 (COVID vaccine details: , product=COVID 19, brand=pfzier, lot number=EN6203, dose number=1, Time: approx. 11:30 hrs, Route of administration: Intramuscular, vaccine location=Right arm, prior to my 2nd shot, I experienced lower stomach and lower intestinal pain for about 2 days and then it disappeared.), administration date: 27Feb2021, when the patient was 74 years old, for COVID-19 immunisation, reaction(s): "headache", "lower stomach pain", "lower intestinal pain". The following information was reported: DIARRHOEA (non-serious) with onset 2021, outcome "recovered" (2021), described as "1-2 loose bowel movements, but not like diarrhea". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of diarrhoea.   Additional information: PRIOR VACCINATIONS (WITHIN 4 WEEKS): N/A. Other medications in two weeks: yes too many to list. Adverse event. On 20Mar2021, again around 11:30 hrs, took  2nd shot and about anywhere from 4-10 days later,  had 1-2 loose bowel movements, but not like diarrhoea. Was unable to list all my meds earlier, so  listing them here: clopidogrel, Irbesartan, hydrochlorothiazide, metformin, fluvastatin, ezetimibe, tamsulosin, ibuprofen(as needed), 81 mg Bayer aspirin, vitamin D 2000IU, fluticasone spray(as needed). All meds are taken daily unless it says as needed.  Don't know for sure that any symptoms reporting were a result of my covid shots. PATIENT MEDICAL HISTORY: Illness/AE: All his prescriptions ongoing and medical issues were previously reported on-line on or about 21May2021 approx 1833 hrs. Stop date: All scips + diagnosis have been ongoing for at least 5yrs prior to receiving vaccine (for covid). He was not sure whether the symptoms Idescribed following  2nd shot were a product of that 2nd shot or the result of lousy diet or something other than a reaction to 2nd shot.  AE Term: Approx 4-10 days agter 2nd shot lasted 1 day Onset date: Bet 24Mar2021 and 03Apr2021 Seriousness Criteria: Not serious (checked) 1-2 Lose bowel movement not diarrhoea  Could have been diet related  AE requires visit to: N/A AE Outcome: Recovered If recovered or recovered with sequelae  Date of Recovery: 1 day Treatment: No  No follow-up attempts are possible. No further information is expected.