severe pain in my left ear/ 3 other patienst complained about the same issue; pain / 3 other patienst complained about the same issue; dose 2 on 03Mar2021 and dose 1 on 28Feb2021; This is a spontaneous report from a contactable consumer. A 67-years-old non pregnant female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number: EN6200, Expiry date: not reported), via an unspecified route of administration in right arm on 03Mar2021 11:15 as dose 2, single for covid-19 immunisation. Medical history included breast cancer (Breast Cancer survivor). The patient had no known allergies. Concomitant medication(s) included hydrochlorothiazide, triamterene (TRIAMTERENE/HCTZ) taken for an unspecified indication, start and stop date were not reported. The patient previously took first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EN6207, Expiration date: not reported), via an unspecified route of administration in left arm on 28Feb2021 10:00 as dose 1, single for covid-19 immunisation. The patient had not received any other vaccine within 4 weeks. Prior to vaccination, the patient was not diagnosed with COVID-19 and post the vaccination, the patient was not tested for COVID-19. On 03Mar2021, the patient was administered vaccine in inappropriate schedule (dose 2 on 03Mar2021 and dose 1 on 28Feb2021). On 25Mar2021 at 00:00, the patient experienced severe pain in my left ear/ 3 other patienst complained about the same issue and pain / 3 other patienst complained about the same issue. After the second vaccine, the patient started having severe pain in her left ear. This had been going on since March. The patient had a physical the following month and the doctor saw nothing, but she was given 800 mg Ibuprofin, which didn't help. The patient went to the ENT Doctor 2 times and they saw nothing. The patient tried over the counter ear drops for the pain and that didn't work. That's when the patient went to the ENT Doctor which saw nothing but the doctor gave a prescription, which didn't help. The patient went back to the ENT and saw a different doctor and he saw nothing. The patient had been in severe pain and don't know what to do. The patient had a physical last Tuesday and her doctor mentioned to that 3 other patients complained about the same issue. The doctor saw that hospital were doing research on that, but they would not give her any information. She suggested the patient to contact them to see if the patient could become one of their candidates. The adverse events resulted in doctor's clinic visit. No therapeutic measures were taken as a result of the events severe pain in my left ear/ 3 other patients complained about the same issue and pain / 3 other patients complained about the same issue. The outcome of the events severe pain in my left ear/ 3 other patients complained about the same issue and pain / 3 other patients complained about the same issue was not recovered.  Information about lot/batch has been requested.  Follow-up attempts are completed. No further information is expected.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.