Bleeding out of ileostomy; Did not sleep; no appetite; Feeling unwell; achy; tired; weaker; This is a spontaneous report from a contactable consumer (patient's daughter).  An 88-years-old male patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE) (lot number: EL1283), intramuscular on 30Jan2021 09:45 at SINGLE DOSE in left arm for Prevention. Medical history included Type 2 diabetes diagnosed 10 years ago, Quadruple Bypass surgery in 2003, High blood pressure. He was Diabetic, was a heart patient. Before he had his ostomy, he had colitis that causes the patient to bleed when pooping and his guts were ravaged. His stomach might be weakened from having it for years and years in his 30's, 40's to early 50's.  Family medical history included Grandfather died at 42 of bleeding ulcer in his stomach. There were no concomitant medications. Prior Vaccinations within 4 weeks was none. He has allergies to pills but was not taking any.  He does not have a fever.  She has the names of the pills he is allergic to as follows: Simvastatin, Lisinopril, Losartan, Aggrenox cap.  They are listed on his report from (institution name withheld) that he has allergies to. He received his first dose of the Pfizer COVID-19 vaccine on 30Jan2021. There was no prescriber on 30Jan2021 through 01Feb2021, everything was good. On 02Feb2021, that is when his ostomy shot out blood like a faucet when he was taking a shower.  He was changing the bandage that day, he was changing his right sided ileostomy bag and he told her that blood shot out of it "like a faucet." On 3Feb2021 was nerve wracking, but there was no blood.  He was changing his ostomy pad again on 04Feb2021 and it started bleeding so much that he went to the hospital. He was discharged within a few hours because "they couldn't find anything wrong." He has had colitis for years and has an ileostomy, where they take out a bunch of his colon.  This week he has had some funny bleeding in his ileostomy.  It was spurting out blood.  He had to go to the ER on 4Feb2021 night because it was bleeding and then it stops. People in ER did not know what the bleeding was from.  He was bleeding in the ileostomy on 04Feb2021 and 05Feb2021.  On 05Feb2021 his ostomy bled a little bit more but it has not bled again since 06Feb2021. She also reports that he feels, " icky, tired, no appetite and achy." The feeling unwell began on 7Feb2021. That worsened since loss of blood made him weaker and worried.  When he got back from the hospital/ER, he said they were rude.  There was a blizzard.  He checked in around 8pm and they discharged him around 11pm that same night.  ER visit at the institution on 04Feb2021, 8pm to 11pm and released. They performed CT scan abdomen and Pelvis and IV. Results are unknown. Now he was good. The achiness and tiredness was between persistent and worsened. He was worrying now. She took his forehead temperature and it was good on 7Feb2021.  She took everybody's and they were all good.  He just feels icky and the blood thing is nerve wracking. He is convinced it is coming back. He was not on a blood thinner or anything listed on the vaccine fact sheet. The patient experienced Feeling unwell on 6Feb2021 with outcome of Not Recovered (Feeling unwell was reported as worsened), achy and tired on 5Feb2021 with outcome of unknown, No appetite on 7Feb202108:30  with outcome of Not Recovered, Bleeding out of ileostomy on 2Feb2021 09:45 with outcome of Recovering, Did not sleep on 7Feb2021 21:30  with outcome of Not Recovered. He has a lot of the risk factors; He is Diabetic, is a heart patient, and has high blood pressure, but he really wanted to get the shot. The patient's primary care provider's nurse do not believe the bleeding had anything to do with the Pfizer COVID-19 vaccine.