after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, my sugar was elevated; after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, my sugar was elevated; 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), administration date 22Mar2021 (Batch/Lot number: unknown) as dose 2, single for covid-19 immunisation. Relevant medical history included: "Diabetic" (unspecified if ongoing). Concomitant medication(s) included: JARDIANCE taken for diabetes mellitus; TRULICITY taken for diabetes mellitus; TRESIBA taken for diabetes mellitus. Vaccination history included: Bnt162b2 (Dose 1), administration date: 01Mar2021, for COVID-19 IMMUNISATION, reaction(s): "sugar has been elevated". The following information was reported: BLOOD GLUCOSE INCREASED (non-serious), CONDITION AGGRAVATED (non-serious) all with onset 2021, outcome "unknown" and all described as "after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, my sugar was elevated". The event "after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, my sugar was elevated" and "after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, my sugar was elevated" was evaluated at the physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of blood glucose increased, condition aggravated.  Additional information: Patient had an adverse side effect to Covid 19 shot. Patient is diabetic and glucose level has gone very high to 400 to 500 numbers since the patient took the shot in the beginning of March and patient had changed medicines and patient  can't seem to get it under controlled (further details unknown)." Consumer further stated, "patient sugar has been elevated since patient got the shot and patient follow pretty much strict regimen diet, the diabetic diet. Patient take medicines very consistently." Consumer added, "patient was on 25 mg of Jardiance, 3.0 of Trulicity and Tresiba nightly 43 units and patient can't seem (statement incomplete and further clarification unknown)." When probed if consumer took first or second Covid 19 shot, Consumer stated, "It was 1st but after 2nd it got even worse, it started to get elevated like 2-3 days after the first shot but after the second booster, sugar was elevated." Consumer added, "It was at (name)." Consumer further stated, "The only major side effects patient was having is elevated glucose level and it is getting dangerously high were patient cannot get them lower and patient have consulted with Primary health care profession about it and he changed and increased level of medication and still on 400 to 500 range." When informed about filing safety report, consumer stated, patient want to report it and also want to know why it is happening if it is possible.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.