passed out; she did not get her second shot; severe headache like someone crushed your skull, headache starts in the morning as mild and by night it goes hard, Headache gets worse when she goes in the sun; extreme and terrible fatigue; no balance; night mare; No quality of life; head is very heavy an it is like it gonna fall off; sensitivity to light  is terrible, can barely open her eyes in the sun; sleeping for every other hour; sensitivity to sound is terrible; pain behind the eye; no concentration, trouble catching up with things; dizzy; throwing up constantly in the hospital; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of LOSS OF CONSCIOUSNESS (passed out) in a 69-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 030A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Anxiety (mild anxiety). Concomitant products included BUPROPION HYDROCHLORIDE (WELLBUTRIN) for Anxiety.    On 17-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. In March 2021, the patient experienced VOMITING (throwing up constantly in the hospital). On 20-Mar-2021, the patient experienced BALANCE DISORDER (no balance), NIGHTMARE (night mare), QUALITY OF LIFE DECREASED (No quality of life), HEAD DISCOMFORT (head is very heavy an it is like it gonna fall off), PHOTOPHOBIA (sensitivity to light  is terrible, can barely open her eyes in the sun), SOMNOLENCE (sleeping for every other hour), HYPERACUSIS (sensitivity to sound is terrible), EYE PAIN (pain behind the eye), DISTURBANCE IN ATTENTION (no concentration, trouble catching up with things), DIZZINESS (dizzy), HEADACHE (severe headache like someone crushed your skull, headache starts in the morning as mild and by night it goes hard, Headache gets worse when she goes in the sun) and FATIGUE (extreme and terrible fatigue). On 22-Mar-2021, the patient experienced LOSS OF CONSCIOUSNESS (passed out) (seriousness criteria hospitalization and medically significant). On an unknown date, the patient experienced INCOMPLETE COURSE OF VACCINATION (she did not get her second shot). The patient was hospitalized for 10 days due to LOSS OF CONSCIOUSNESS. The patient was treated with PREGABALIN (LYRICA) ongoing since an unknown date at an unspecified dose and frequency. At the time of the report, INCOMPLETE COURSE OF VACCINATION (she did not get her second shot) had resolved and LOSS OF CONSCIOUSNESS (passed out), BALANCE DISORDER (no balance), NIGHTMARE (night mare), QUALITY OF LIFE DECREASED (No quality of life), HEAD DISCOMFORT (head is very heavy an it is like it gonna fall off), PHOTOPHOBIA (sensitivity to light  is terrible, can barely open her eyes in the sun), SOMNOLENCE (sleeping for every other hour), HYPERACUSIS (sensitivity to sound is terrible), EYE PAIN (pain behind the eye), DISTURBANCE IN ATTENTION (no concentration, trouble catching up with things), DIZZINESS (dizzy), VOMITING (throwing up constantly in the hospital), HEADACHE (severe headache like someone crushed your skull, headache starts in the morning as mild and by night it goes hard, Headache gets worse when she goes in the sun) and FATIGUE (extreme and terrible fatigue) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Treatment details included pain killer and steroid infusion for five days.  Based on the current available information and temporal association between the use of the product and the start date of the 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 the events, a causal relationship cannot be excluded.