Sex: F
Vaccine: COVID19, COVID19
Symptoms: Polyp
Clinical narrative: bleeding; severe diarrhea; severe cramps; They did a a colonoscopy and showed polyps and colitis; They did a a colonoscopy and showed polyps and colitis; This is a spontaneous report from a contactable consumer (patient) from a Pfizer-sponsored program. A 79-year-old female patient received BNT162B2(PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot number was not reported) via an unspecified route of administration on an unspecified date as dose 1, single for COVID-19 immunisation. The patient medical history and concomitant medications were not reported. On an unspecified date, The patient experienced bleeding, severe diarrhea, severe cramps, they did a colonoscopy and showed polyps and colitis. The patient was hospitalized for bleeding, severe diarrhea, severe cramps, they did a a colonoscopy and showed polyps and colitis for 9 days. It was reported that patient received the 1st dose of the Pfizer covid 19 vaccine a few months ago. 4 hours after she went to the hospital with severe diarrhea, bleeding and severe cramps. They did a colonoscopy and showed polyps and colitis and they weren't sure if it was from vaccine or already there. She was in the hospital for 9 days and they couldn't control the bleeding. She wasn't bleeding the whole time. It took a few days to get the colonoscopy. She needed to rest from all the diarrhea. She left the hospital. she is on no medications and no symptoms ever again. The patient reported that she Wants to get the second vaccine, saw immunologist who advised her not to get the vaccine. Can I get a different shot like Moderna? Should I get the second shot or booster? Or do we know of anything to prevent a reaction.? Response included: 2.3 Vaccination Schedule for Individuals 12 Years of Age and Older: There are no data available on the interchangeability of the Pfizer-BioNTech COVID-19, Vaccine or COMIRNATY (COVID-19 Vaccine, mRNA) with other COVID-19 vaccines to complete the vaccination series.  the EUA-authorized Pfizer-BioNTech COVID-19 Vaccine have the same formulation and can be used interchangeably to provide the COVID-19 vaccination series. As noted in the Fact Sheet for Recipients, you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive the second dose for any other reason cannot be made by Pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knows your health situation and has access to information that can better help inform this decision. Pfizer cannot assess causality (i.e., cannot assess if what you described/are experiencing is associated with the Pfizer BioNTech covid 19 vaccine.   Pfizer does not provide any recommendations regarding the management or treatment, Pfizer recommends that you speak with your HCP because he is in the the best position to advise you about the appropriate action to take as your doctor. He has information on your medical condition, history and treatments you have received and is in the best position to assist with this decision. The patient underwent lab tests and procedures which included colonoscopy: polyps and colitis on an unspecified date. Outcome of all the events was resolved on an unspecified date.  The lot number for BNT162b2 was not provided and will be requested during follow up.