Passed out in the restroom; I could hardly walk into my kitchen; I was so weak I could hardly walk in there; I couldn't hardly eat anything; I start to tell someone something I start to lose a word/Losing words/Talking and losing words; Dizziness; Could not speak above a whisper/ losing words; Phlegm from my nose to my knees/Phlegm in her lungs; Hurts in my upper arms and thighs; Hit her head; Fallen against a window; Blood pressure 40 over 60; Could barely open my eyes; Couldn't lift my feet; Muscles hurt in my arms and in my legs/Effected my muscles; This spontaneous case was reported by a consumer and describes the occurrence of LOSS OF CONSCIOUSNESS (Passed out in the restroom) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 019B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concomitant products included VITAMINS NOS for an unknown indication.    On 29-Mar-2021, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced LOSS OF CONSCIOUSNESS (Passed out in the restroom) (seriousness criterion medically significant), GAIT DISTURBANCE (I could hardly walk into my kitchen), ASTHENIA (I was so weak I could hardly walk in there), EATING DISORDER (I couldn't hardly eat anything), APHASIA (I start to tell someone something I start to lose a word/Losing words/Talking and losing words), DIZZINESS (Dizziness), SPEECH SOUND DISORDER (Could not speak above a whisper/ losing words), PRODUCTIVE COUGH (Phlegm from my nose to my knees/Phlegm in her lungs), PAIN IN EXTREMITY (Hurts in my upper arms and thighs), HEAD INJURY (Hit her head), FALL (Fallen against a window), HYPOTENSION (Blood pressure 40 over 60), ASTHENOPIA (Could barely open my eyes), LIMB DISCOMFORT (Couldn't lift my feet) and MYALGIA (Muscles hurt in my arms and in my legs/Effected my muscles). The patient was treated with PARACETAMOL (ARTHRITIS PAIN RELIEF [PARACETAMOL]) for Adverse event, at a dose of UNK UNK, q8h and PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency. At the time of the report, LOSS OF CONSCIOUSNESS (Passed out in the restroom), GAIT DISTURBANCE (I could hardly walk into my kitchen), ASTHENIA (I was so weak I could hardly walk in there), EATING DISORDER (I couldn't hardly eat anything), APHASIA (I start to tell someone something I start to lose a word/Losing words/Talking and losing words), PRODUCTIVE COUGH (Phlegm from my nose to my knees/Phlegm in her lungs), PAIN IN EXTREMITY (Hurts in my upper arms and thighs), HEAD INJURY (Hit her head), FALL (Fallen against a window), HYPOTENSION (Blood pressure 40 over 60), ASTHENOPIA (Could barely open my eyes) and LIMB DISCOMFORT (Couldn't lift my feet) outcome was unknown and DIZZINESS (Dizziness), SPEECH SOUND DISORDER (Could not speak above a whisper/ losing words) and MYALGIA (Muscles hurt in my arms and in my legs/Effected my muscles) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood pressure measurement: 40 over 60 (Low) Blood pressure 40 over 60.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Treatment for the event included IV (intravenous) fluids. Laboratory investigations performed on an unknown date included blood work and x-rays whose results were not provided. Additional information received included that the patient consulted a doctor who said her symptoms would likely last 3-4 weeks, but they have persisted for almost 5 months.  Company Comment: Very limited information regarding the events, such as onset of events in respect to the start date of vaccine as well as lab results, has been provided at this time. Further information can't be requested because no contact information provided.; Sender's Comments: Very limited information regarding the events, such as onset of events in respect to the start date of vaccine as well as lab results, has been provided at this time. Further information can't be requested because no contact information provided.