feeling as he had drank whiskey/some days are good other bad and other horrible; very disoriented; tried to exercise also, but he cannot because he will fall down; affects his balance as well as how he walks/makes him loose his balance; very bad short time memory; Occasionally when he stands he gets a pick which makes him loose his balance; Sleep is awful for the last 2 years/He sleeps 5 hours of sleep; Dizziness that affects his balance when he walks; feeling very dizzy/ongoing dizziness; This spontaneous case was reported by a patient and describes the occurrence of FEELING ABNORMAL (feeling as he had drank whiskey/some days are good other bad and other horrible), DISORIENTATION (very disoriented), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (tried to exercise also, but he cannot because he will fall down), BALANCE DISORDER (affects his balance as well as how he walks/makes him loose his balance) and MEMORY IMPAIRMENT (very bad short time memory) in a 55-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient was never tested positive for COVID-19. The patient did not receive any other vaccines after the Moderna COVID-19 vaccine.  Concurrent medical conditions included Allergy to antibiotic (gave him projectile vomit) and ADHD (had his whole life). Concomitant products included TRAZODONE for Prophylaxis.    On 04-Jan-2020, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced FEELING ABNORMAL (feeling as he had drank whiskey/some days are good other bad and other horrible), DISORIENTATION (very disoriented), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (tried to exercise also, but he cannot because he will fall down), BALANCE DISORDER (affects his balance as well as how he walks/makes him loose his balance), MEMORY IMPAIRMENT (very bad short time memory), DYSSTASIA (Occasionally when he stands he gets a pick which makes him loose his balance), POOR QUALITY SLEEP (Sleep is awful for the last 2 years/He sleeps 5 hours of sleep), GAIT DISTURBANCE (Dizziness that affects his balance when he walks) and DIZZINESS (feeling very dizzy/ongoing dizziness). At the time of the report, FEELING ABNORMAL (feeling as he had drank whiskey/some days are good other bad and other horrible), DISORIENTATION (very disoriented), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (tried to exercise also, but he cannot because he will fall down), BALANCE DISORDER (affects his balance as well as how he walks/makes him loose his balance), MEMORY IMPAIRMENT (very bad short time memory), DYSSTASIA (Occasionally when he stands he gets a pick which makes him loose his balance), POOR QUALITY SLEEP (Sleep is awful for the last 2 years/He sleeps 5 hours of sleep) and GAIT DISTURBANCE (Dizziness that affects his balance when he walks) outcome was unknown and DIZZINESS (feeling very dizzy/ongoing dizziness) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood test: result not reported result not reported. On an unknown date, Computerised tomogram: result not reported result not reported (CT was done to discard a CVA). On an unknown date, Neuropsychological test: adhd ADHD.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       The patient was taking unspecified medication for ADHD. The patient took Trazodone for sleeping which was started before the event of awful sleep.  The patient reported that, he threw his vaccination date right after receiving it.  The morning after receiving the vaccine the patient had a feeling as he had drank whiskey and he was feeling very dizzy and very disoriented. He reported this at the clinic where he works. Before this, the patient was a thriving man.  The patient denied taking any treatment for the symptoms, but he tried a Mediterranean diet for 6 months and there was no effect.