had all 6 of my injections; Inappropriate dose of Vaccine administered; the injection site in my arm just started aching hurt really bad; I was feeling nauseous; I have diarrhea not terrible but 3 or 4 times during the day; 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 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 23Sep2022 as dose 6 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE 1, I took the 2 Pfizer shots to start with and 4 updates whatever they are), for COVID-19 immunization; Bnt162b2 (DOSE 2, I took the 2 Pfizer shots to start with and 4 updates whatever they are), for COVID-19 immunization; Covid-19 vaccine (DOSE 3, MANUFACTURER UNKNOWN, I took the 2 Pfizer shots to start with and 4 updates whatever they are), for COVID-19 immunization; Covid-19 vaccine (DOSE 4, MANUFACTURER UNKNOWN, I took the 2 Pfizer shots to start with and 4 updates whatever they are), for COVID-19 immunization; Bnt162b2 (DOSE 5, I took the 2 Pfizer shots to start with and 4 updates whatever they are), for COVID-19 immunization. The following information was reported: DIARRHOEA (non-serious) with onset Sep2022, outcome "unknown", described as "I have diarrhea not terrible but 3 or 4 times during the day"; NAUSEA (non-serious) with onset Sep2022, outcome "unknown", described as "I was feeling nauseous"; VACCINATION SITE PAIN (non-serious) with onset Sep2022, outcome "unknown", described as "the injection site in my arm just started aching hurt really bad"; INCORRECT DOSE ADMINISTERED (non-serious) with onset 23Sep2022, outcome "unknown", described as "Inappropriate dose of Vaccine administered"; OFF LABEL USE (non-serious) with onset 23Sep2022, outcome "unknown", described as "had all 6 of my injections".  Additional Information: Consumer stated Well how is even the side effects of the COVID vaccine, the Pfizer injections (Clarified as Pfizer COVID Vaccine). Patient have had all 6 of my injections and this is the first one that patient have ever felt anything at all, and can't even say that it's from the injection. But I don't know, I had my 2 injections. When patient first time, first one and few months later, had the next one, then I had my first second and third follow up and then I had my fourth follow up, this last week. And this shot is so didn't hurt at all but several days later like I don't know 4 or 5 days later, the injection site in my arm just started aching hurt bad. And yesterday and tonight I was feeling nauseous, and I have diarrhea not terrible but 3 or 4 times during the day. And I don't know if that was the side effect or what, you know, what I should be expecting. In response to further probing: Consumer stated, "I don't even know if it's a problem. I don't know I mean it's better not. I mean, I can't, the shot, the injection that I got was last Friday. I believe its Wednesday, and this is already a week and 3 days later so I don't think I don't even know if it's bad that's why I wanted to talk to somebody. When probed if had both monovalent and bivalent shots: Consumer stated, "I took the 2 Pfizer shots to start with and 4 updates.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.