Extra dose administered; Started with bruise that now has become much larger; She is also feeling dizzy; She has headache; It is itchy.; On same day at night, she started with little fever; She had nausea.; Her left arm started hurting at injection site; Injection site is swollen; It is red; She had stomach cramps; She started with bruise that now has become much larger.; She hasn't been eating much.; This spontaneous case was reported by a consumer and describes the occurrence of DIZZINESS (She is also feeling dizzy), EXTRA DOSE ADMINISTERED (Extra dose administered), ABDOMINAL PAIN UPPER (She had stomach cramps), CONTUSION (She started with bruise that now has become much larger.) and FEEDING DISORDER (She hasn't been eating much.) in a 77-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 051C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Atrial fibrillation. Concomitant products included FAMOTIDINE, LOSARTAN, METOPROLOL SUCCINATE (TOPROL), ERGOCALCIFEROL (VITAMIN D [ERGOCALCIFEROL]), EZETIMIBE (ZETIA), CELECOXIB (CELEBREX), KETAMINE and CLOPIDOGREL BISULFATE (PLAVIX) for an unknown indication.   On 14-Aug-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. 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 14-Aug-2021, the patient experienced ABDOMINAL PAIN UPPER (She had stomach cramps), CONTUSION (She started with bruise that now has become much larger.), FEEDING DISORDER (She hasn't been eating much.), VACCINATION SITE PRURITUS (It is itchy.), PYREXIA (On same day at night, she started with little fever), NAUSEA (She had nausea.), VACCINATION SITE PAIN (Her left arm started hurting at injection site), VACCINATION SITE SWELLING (Injection site is swollen) and VACCINATION SITE ERYTHEMA (It is red). On 16-Aug-2021, the patient experienced DIZZINESS (She is also feeling dizzy), VACCINATION SITE BRUISING (Started with bruise that now has become much larger) and HEADACHE (She has headache). On an unknown date, the patient experienced EXTRA DOSE ADMINISTERED (Extra dose administered). The patient was treated with PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency. At the time of the report, DIZZINESS (She is also feeling dizzy), ABDOMINAL PAIN UPPER (She had stomach cramps), CONTUSION (She started with bruise that now has become much larger.), FEEDING DISORDER (She hasn't been eating much.), VACCINATION SITE BRUISING (Started with bruise that now has become much larger), VACCINATION SITE PRURITUS (It is itchy.), PYREXIA (On same day at night, she started with little fever), NAUSEA (She had nausea.), VACCINATION SITE PAIN (Her left arm started hurting at injection site), VACCINATION SITE SWELLING (Injection site is swollen), VACCINATION SITE ERYTHEMA (It is red) and HEADACHE (She has headache) outcome was unknown and EXTRA DOSE ADMINISTERED (Extra dose administered) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 16-Aug-2021, Heart rate: increased (High) Increased. On an unknown date, Body temperature: 101 (High) 101.