terrible time finishing sentences/such a hard time communicating; brain fog; Dizziness/remained dizzy for several hours/the room was spinning; shaking literally; congestion; Cough; my major joints (hip, knee, wrist, elbow, shoulder) were on fire; She felt she was going to die; vomited 2-3 hours; head felt on fire, when laying on her left side she could feel on the top of her head the pain move to the left side,type of pain in patient's head far more severe than any migraine patient's ever had; when lying down patient's  head felt on fi; fatigued so badly; 103 fever for 2 days; swelling of the tongue; couldn't walk/could only crawl; when moving to the right side, she felt liquid in her brain pouring to that side,like an epilepsy attack in a smaller scale; unbelievable pain; debilitated; pain behind her eye so sharp as if her eye would come out; her body was cramped; A spontaneous report was received from a consumer who was also a 55 years  old, female patient  who received Moderna's COVID-19 Vaccine (mRNA-1273) and who experienced swelling of the tongue/ Swollen tongue; dizziness/ Dizziness; 103 fever for 2 days/ Pyrexia; shaking literally/ Tremor; like an epilepsy attack in a smaller scale/ Feeling abnormal; fatigued so badly/ Fatigue; patient's body was cramped/ Muscle spasms; couldn't walk/ Gait inability; debilitated/ Asthenia; could only crawl/ Gait inability; vomited two to three hours/ Vomiting; pain behind patient's eye so sharp as if patient's eye would come out/ Eye pain; unbelievable pain/ Pain; type of pain in patient's head far more severe than any migraine patient's ever had; when lying down patient's  head felt on fire, when laying on patient's left side patient could feel on the top of patient's head the pain move to the left side/ Headache; when moving to the right side, patient felt liquid in patient's brain pouring to that side/ Feeling abnormal; remained dizzy for several hours, the room was spinning/ Dizziness; my major joints (hip, knee, wrist, elbow, shoulder) were on fire/ Arthralgia; congestion/ Nasal congestion; cough/ Cough; patient felt patient was going to die/ Vaccination complication; brain fog/ Feeling abnormal; terrible time finishing sentences; like brain damage and such a hard time communicating/ Speech disorder.  The patient's medical history included migraine which occurred several times a year.  No relevant concomitant medications were reported.   The patient received their first of two planned doses of mRNA-1273 (Batch number: 027L20A)) on 12-Jan-2021. On 11-Feb-2021, approximately ten minutes prior to the onset of the symptoms, the patient received their second of two planned doses of mRNA-1273 (Batch number: 030M20A) intramuscularly for prophylaxis of COVID-19 infection.  On 11-Feb-2021, the patient experienced swelling of the tongue; dizziness; 103 fever for 2 days; shaking literally; like an epilepsy attack in a smaller scale; fatigued so badly; patient's body was cramped; couldn't walk; debilitated; could only crawl; vomited 2-3 hours; pain behind patient's eye so sharp as if patient's eye would come out; unbelievable pain, type of pain in patient's head far more severe than any migraine patient's ever had; when lying down patient's  head felt on fire; when laying on patient's left side patient could feel on the top of patient's head the pain move to the left side; when moving to the right side, patient felt liquid in patient's brain pouring to that side; remained dizzy for several hours; the room was spinning; my major joints (hip, knee, wrist, elbow, shoulder) were on fire; congestion; cough and patient felt patient was going to die. On 15-Feb-2021, patient developed brain fog; terrible time finishing sentences; like brain damage and such a hard time communicating. Treatment for the event included one acetaminophen and twelve hours later patient had three ibuprofen.  The patient received both scheduled doses of mRNA-1273 prior to the events; therefore, action taken with the drug in response to the events is not applicable.  The outcome for the events the patient experienced swelling of the tongue; dizziness; one hundred and three fever for two days; shaking literally; like an epilepsy attack in a smaller scale; fatigued so badly; patient's body was cramped; couldn't walk; debilitated; could only crawl; vomited two to three hours; pain behind patient's eye so sharp as if patient's eye would come out; unbelievable pain, type of pain in patient's head far more severe than any migraine patient's ever had; when lying down patient's  head felt on fire; when laying on patient's left side patient could feel on the top of patient's head the pain move to the left side; when moving to the right side, patient felt liquid in patient's brain pouring to that side; remained dizzy for several hours; the room was spinning; my major joints (hip, knee, wrist, elbow, shoulder) were on fire; congestion; cough and patient felt patient was going to die were recovered on 14-Feb-2021.   The outcome of the events brain fog; terrible time finishing sentences; like brain damage and such a hard time communicating were not reported.; Reporter'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..