Occipital neurology symptoms; Left plank pain; Fell due to unbalance; Pain the back of the neck; Blurred vision while watching tv; Sleep disturbance; Significant dizziness; Brain fog; Balance issues; Left ocular pain; Right side pain; Labor swallowing; Malaise; Fatigue; Soreness in the arm; Arm twitching right after injection/twitching throughout the body/buttock was twitching; Abdominal pain/pain in lower side of abdominal/lower pain in the abdominal/lower pain in the abdominal; 7 hours afterward throat started to feel tightness/throat felt like constricted; Palpitation; This spontaneous case was reported by a consumer and describes the occurrence of MUSCLE TWITCHING (Arm twitching right after injection/twitching throughout the body/buttock was twitching), ABDOMINAL PAIN (Abdominal pain/pain in lower side of abdominal/lower pain in the abdominal/lower pain in the abdominal), THROAT TIGHTNESS (7 hours afterward throat started to feel tightness/throat felt like constricted), PALPITATIONS (Palpitation) and SLEEP DISORDER (Sleep disturbance) in a 60-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concomitant products included HYDROCHLOROTHIAZIDE, LOSARTAN POTASSIUM (LOSARTAN/HCTZ), LORATADINE (CLARITINE), IBUPROFEN (MOTRIN [IBUPROFEN]), VITAMIN B [VITAMIN B NOS], ASCORBIC ACID (VITAMIN C CITRUS) and MULTIVITAMINS;MINERALS for an unknown indication.    On 16-Sep-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 16-Sep-2021, the patient experienced MUSCLE TWITCHING (Arm twitching right after injection/twitching throughout the body/buttock was twitching), ABDOMINAL PAIN (Abdominal pain/pain in lower side of abdominal/lower pain in the abdominal/lower pain in the abdominal), THROAT TIGHTNESS (7 hours afterward throat started to feel tightness/throat felt like constricted), PALPITATIONS (Palpitation) and MYALGIA (Soreness in the arm). On 17-Sep-2021, the patient experienced SLEEP DISORDER (Sleep disturbance), DIZZINESS (Significant dizziness), FEELING ABNORMAL (Brain fog), BALANCE DISORDER (Balance issues), EYE PAIN (Left ocular pain), PAIN (Right side pain), DYSPHAGIA (Labor swallowing), MALAISE (Malaise) and FATIGUE (Fatigue). On 18-Sep-2021, the patient experienced FLANK PAIN (Left plank pain), FALL (Fell due to unbalance), NECK PAIN (Pain the back of the neck) and VISION BLURRED (Blurred vision while watching tv). On 02-Oct-2021, the patient experienced NEUROLOGICAL SYMPTOM (Occipital neurology symptoms). At the time of the report, MUSCLE TWITCHING (Arm twitching right after injection/twitching throughout the body/buttock was twitching), ABDOMINAL PAIN (Abdominal pain/pain in lower side of abdominal/lower pain in the abdominal/lower pain in the abdominal), THROAT TIGHTNESS (7 hours afterward throat started to feel tightness/throat felt like constricted), PALPITATIONS (Palpitation), SLEEP DISORDER (Sleep disturbance), DIZZINESS (Significant dizziness), FEELING ABNORMAL (Brain fog), BALANCE DISORDER (Balance issues), EYE PAIN (Left ocular pain), PAIN (Right side pain), DYSPHAGIA (Labor swallowing), MALAISE (Malaise), FLANK PAIN (Left plank pain), FALL (Fell due to unbalance), NECK PAIN (Pain the back of the neck), VISION BLURRED (Blurred vision while watching tv), NEUROLOGICAL SYMPTOM (Occipital neurology symptoms), MYALGIA (Soreness in the arm) and FATIGUE (Fatigue) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Ultrasound scan: normal (normal) Normal.         It was reported that patient experienced arm twitching right after injection, twitching throughout the body on day 2 and buttock was twitching on day 3. Abdominal pain, pain in lower side of abdominal was experienced day 1 and lower pain in the abdominal on day 2 and day 3.  It was also reported that patient saw an Ear Nose Throat (ENT) just to have a check. No treatment medication was provided.   This case was linked to MOD-2021-361927 (Patient Link).