I had the COVID booster; got the bloody nose and I ended up having to go the hospital; to have it 'cauterized' now; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A patient (no qualifiers provided) received bnt162b2 (BNT162B2), as dose 3 (booster), single (Lot number: FH8027) for covid-19 immunisation; clopidogrel bisulfate (PLAVIX), (Batch/Lot number: unknown) for thrombosis; clopidogrel (CLOPIDOGREL), (Batch/Lot number: unknown) at 75 mg for thrombosis. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE, Lot/ Batch Number: FH8027), for COVID-19 Immunization; Bnt162b2 (DOSE 2, SINGLE, Lot/ Batch Number: FH8027), for COVID-19 Immunization. The following information was reported: EPISTAXIS (hospitalization), outcome "unknown", described as "I had the COVID booster; got the bloody nose and I ended up having to go the hospital"; CAUTERY TO NOSE (hospitalization), outcome "unknown", described as "to have it 'cauterized' now". The events "i had the covid booster; got the bloody nose and i ended up having to go the hospital" and "to have it 'cauterized' now" required physician office visit. The action taken for clopidogrel bisulfate and clopidogrel was unknown. Clinical course: Consumer stated, "No, I am not (HCP). I am a patient." Consumer stated, "I have made an appointment to have the booster shot for the COVID but last time I had the COVID booster (Clarified as Pfizer COVID-19 Vaccine Booster) which I had to have the first two shots and then I have the third which is the booster. I got the bloody nose and I ended up having to go the hospital (hospitalization details was not available over the call) to have it 'cauterized' now. I do not know if the shot had anything to do with it, or what that anyway I am just kind off wondering I am on blood thinner (clarified as Plavix) so have you heard this from anybody else?" as of Vaccine name, Consumer stated, "It is Pfizer. It is the Pfizer FH8027 and that a 12 of three 20." When probed to clarify the name of vaccine as Pfizer COVID-19 Vaccine: Consumer stated, "Yes, it is Pfizer COVID-19 Vaccine." (Later clarified as Pfizer COVID-19 Vaccine Booster). When probed to clarify if third dose was booster shot, consumer stated, "All of the Pfizer and that's the number I have here FH8027." When probed for the name of booster consumer got recently: Consumer stated, "I had the other two COVID shots then I just went in and had the booster. I have not had the recent one yet. I just had a, I just got an appointment then I am wondering if I, there is risk with it." When probed for medication name (Blood thinner): Consumer stated, "It is Clopidogrel, I guess that is Plavix, this (Clopidogrel) is the general name." When probed to clarify if blood thinner was brand (Plavix) or generic (Clopidogrel), consumer stated, "It is the Plavix but the name on it is Clopidogrel 75 mg." When probed to clarify if blood thinner was brand (Plavix): Consumer stated, "Yes, the general. It is just the Plavix is the original one and then the Clopidogrel is the general one, that is the same thing. Yes." When asked for further probing: Consumer stated, "Is it take that long may be not because I am just debating whether to go my appointment at four o'clock to have this shot so." When probed to clarify if consumer got booster shot before experiencing bloody nose: Consumer stated, "It was booster." When probed to clarify the name of shot when consumer experienced bloody nose as Pfizer COVID-19 Booster vaccine, consumer stated, "Yes."