brain was not connecting to her eyelids or other parts of her body; hallucinating; trouble controlling her eyelids; motor skills issues with things like typing; slurred speech; memory issues; legs felt like Jello; hadn't eaten; pain in the left side of her neck; light pressure on her chest; felt like she was really drunk minus the fun part; burping; sweating; freezing; blurred vision; tension headache; problems concentrating; was not doing well; body aches; felt nauseous; This spontaneous case was reported by a consumer and describes the occurrence of MENTAL IMPAIRMENT (brain was not connecting to her eyelids or other parts of her body) and HALLUCINATION (hallucinating) in a 52-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 037F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Chronic fatigue and Fibromyalgia. Concomitant products included OXYCODONE for an unknown indication.    On 07-Sep-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 08-Sep-2021, the patient experienced MENTAL IMPAIRMENT (brain was not connecting to her eyelids or other parts of her body) (seriousness criterion medically significant), HALLUCINATION (hallucinating) (seriousness criterion medically significant), EYELID FUNCTION DISORDER (trouble controlling her eyelids), MOBILITY DECREASED (motor skills issues with things like typing), DYSARTHRIA (slurred speech), MEMORY IMPAIRMENT (memory issues), LIMB DISCOMFORT (legs felt like Jello), HYPOPHAGIA (hadn't eaten), NECK PAIN (pain in the left side of her neck), CHEST DISCOMFORT (light pressure on her chest), FEELING ABNORMAL (felt like she was really drunk minus the fun part), ERUCTATION (burping), HYPERHIDROSIS (sweating), FREEZING PHENOMENON (freezing), VISION BLURRED (blurred vision), TENSION HEADACHE (tension headache), DISTURBANCE IN ATTENTION (problems concentrating), MALAISE (was not doing well), MYALGIA (body aches) and NAUSEA (felt nauseous). At the time of the report, MENTAL IMPAIRMENT (brain was not connecting to her eyelids or other parts of her body), HALLUCINATION (hallucinating), EYELID FUNCTION DISORDER (trouble controlling her eyelids), MOBILITY DECREASED (motor skills issues with things like typing), DYSARTHRIA (slurred speech), MEMORY IMPAIRMENT (memory issues), LIMB DISCOMFORT (legs felt like Jello), HYPOPHAGIA (hadn't eaten), NECK PAIN (pain in the left side of her neck), CHEST DISCOMFORT (light pressure on her chest), FEELING ABNORMAL (felt like she was really drunk minus the fun part), ERUCTATION (burping), HYPERHIDROSIS (sweating), FREEZING PHENOMENON (freezing), VISION BLURRED (blurred vision), TENSION HEADACHE (tension headache), DISTURBANCE IN ATTENTION (problems concentrating), MALAISE (was not doing well), MYALGIA (body aches) and NAUSEA (felt nauseous) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Treatment medication was not provided by the reporter Company Comment: Based on the current available information and temporal association between the use of the product and the start date of these events, a causal relationship cannot be excluded; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of these events, a causal relationship cannot be excluded