Expired vaccine used; Nightmares; Could not walk w/o filling that I would fall; Body aches; High blood pressure; Sensitive skin felt as on fire, hard to to be touched; Hard to stay awake; Back pain; Nervousness; Emotional cyring, anger; Chest pain; Right & left side of body numbness, hand & feet; Seems as brain has a cloud over it; Memory loss; Frustration; Dizziness; Bone & joint issues, issues walking; Nausea; Fatigue; Headache; This spontaneous case was reported by a physician and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (Expired vaccine used), NIGHTMARE (Nightmares), GAIT DISTURBANCE (Could not walk w/o filling that I would fall), PAIN (Body aches) and HYPERTENSION (High blood pressure) in a 58-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 014M20A and 028L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included No adverse event.   On 20-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 19-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 19-Feb-2021, the patient experienced EXPIRED PRODUCT ADMINISTERED (Expired vaccine used), NIGHTMARE (Nightmares), GAIT DISTURBANCE (Could not walk w/o filling that I would fall), PAIN (Body aches), HYPERTENSION (High blood pressure), SENSITIVE SKIN (Sensitive skin felt as on fire, hard to to be touched), SOMNOLENCE (Hard to stay awake), BACK PAIN (Back pain), NERVOUSNESS (Nervousness), AFFECT LABILITY (Emotional cyring, anger), CHEST PAIN (Chest pain), HYPOAESTHESIA (Right & left side of body numbness, hand & feet), FEELING ABNORMAL (Seems as brain has a cloud over it), AMNESIA (Memory loss), FRUSTRATION TOLERANCE DECREASED (Frustration), DIZZINESS (Dizziness), BONE DISORDER (Bone & joint issues, issues walking), NAUSEA (Nausea), FATIGUE (Fatigue) and HEADACHE (Headache). On 19-Feb-2021, EXPIRED PRODUCT ADMINISTERED (Expired vaccine used) had resolved. At the time of the report, NIGHTMARE (Nightmares), GAIT DISTURBANCE (Could not walk w/o filling that I would fall), PAIN (Body aches), HYPERTENSION (High blood pressure), SENSITIVE SKIN (Sensitive skin felt as on fire, hard to to be touched), SOMNOLENCE (Hard to stay awake), BACK PAIN (Back pain), NERVOUSNESS (Nervousness), AFFECT LABILITY (Emotional cyring, anger), CHEST PAIN (Chest pain), HYPOAESTHESIA (Right & left side of body numbness, hand & feet), FEELING ABNORMAL (Seems as brain has a cloud over it), AMNESIA (Memory loss), FRUSTRATION TOLERANCE DECREASED (Frustration), DIZZINESS (Dizziness), BONE DISORDER (Bone & joint issues, issues walking), NAUSEA (Nausea), FATIGUE (Fatigue) and HEADACHE (Headache) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood test: (Inconclusive) result not provided. On an unknown date, Electrocardiogram: (Inconclusive) Reports not provided. On an unknown date, Urine analysis: (Inconclusive) result not provided.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   No concomitant medication were provided  Treatment medication was not provided.