blood sugar was very high 400; daughter who is old 16 and  took the first dose of the vaccine; she took the wrong vaccine, but the doctor told her there that Madourna said there was no problem with taking the second dose Because the vaccines should not be mixed, and I actually took the second dose; She felt pain in her feet; This spontaneous case was reported by a consumer and describes the occurrence of BLOOD GLUCOSE INCREASED (blood sugar was very high 400), PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (daughter who is old 16 and  took the first dose of the vaccine), INTERCHANGE OF VACCINE PRODUCTS (she took the wrong vaccine, but the doctor told her there that Madourna said there was no problem with taking the second dose Because the vaccines should not be mixed, and I actually took the second dose) and PAIN IN EXTREMITY (She felt pain in her feet) in a 16-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.   On an unknown date, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced BLOOD GLUCOSE INCREASED (blood sugar was very high 400), PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (daughter who is old 16 and  took the first dose of the vaccine), INTERCHANGE OF VACCINE PRODUCTS (she took the wrong vaccine, but the doctor told her there that Madourna said there was no problem with taking the second dose Because the vaccines should not be mixed, and I actually took the second dose) and PAIN IN EXTREMITY (She felt pain in her feet). At the time of the report, BLOOD GLUCOSE INCREASED (blood sugar was very high 400), PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (daughter who is old 16 and  took the first dose of the vaccine), INTERCHANGE OF VACCINE PRODUCTS (she took the wrong vaccine, but the doctor told her there that Madourna said there was no problem with taking the second dose Because the vaccines should not be mixed, and I actually took the second dose) and PAIN IN EXTREMITY (She felt pain in her feet) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In 2021, Blood glucose: 400 (High) very High. In 2021, Blood test: normal (normal) everything was fine.         No concomitant medication use was reported.  No treatment medications were reported.   The day after the vaccination, the patient felt pain in her feet and went to the emergency room. In the emergency room, "felt and did blood tests everything was fine except the blood sugar was very high 400."  Further clinical course is unknown/not reported.  Company Comment: This report refers to a case of PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (16 year old) for mRNA-1273 (lot number unknown)  and INTERCHANGE OF VACCINE PRODUCTS with associated PAIN IN EXTREMITY  and BLOOD GLUCOSE INCREASED reported. Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded; Sender's Comments: This report refers to a case of PRODUCT ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE (16 year old) for mRNA-1273 (lot number unknown)  and INTERCHANGE OF VACCINE PRODUCTS with associated PAIN IN EXTREMITY  and BLOOD GLUCOSE INCREASED reported. Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded