Got really sick after 2nd dose; Fell 10 times; Dizziness/Lightheadedness; Heavy on feet; Cannot see; Flu like symptoms; Fever; Chills; Terrible headaches (like lightning bulb); At hospital they have given her migraine medication; This spontaneous case was reported by a patient and describes the occurrence of ILLNESS (Got really sick after 2nd dose), FALL (Fell 10 times), DIZZINESS (Dizziness/Lightheadedness), LIMB DISCOMFORT (Heavy on feet), VISUAL IMPAIRMENT (Cannot see), INFLUENZA LIKE ILLNESS (Flu like symptoms), PYREXIA (Fever), CHILLS (Chills), HEADACHE (Terrible headaches (like lightning bulb)) and MIGRAINE (At hospital they have given her migraine medication) in a 62-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 039A21A and D12A21A) for COVID-19 vaccination.     No Medical History information was reported.   On 01-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 29-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On an unknown date, the patient experienced ILLNESS (Got really sick after 2nd dose) (seriousness criterion hospitalization), FALL (Fell 10 times) (seriousness criterion hospitalization), DIZZINESS (Dizziness/Lightheadedness) (seriousness criterion hospitalization), LIMB DISCOMFORT (Heavy on feet) (seriousness criterion hospitalization), VISUAL IMPAIRMENT (Cannot see) (seriousness criterion hospitalization), INFLUENZA LIKE ILLNESS (Flu like symptoms) (seriousness criterion hospitalization), PYREXIA (Fever) (seriousness criterion hospitalization), CHILLS (Chills) (seriousness criterion hospitalization), HEADACHE (Terrible headaches (like lightning bulb)) (seriousness criterion hospitalization) and MIGRAINE (At hospital they have given her migraine medication) (seriousness criterion hospitalization). The patient was hospitalized on 15-Jun-2021 due to CHILLS, DIZZINESS, FALL, HEADACHE, ILLNESS, INFLUENZA LIKE ILLNESS, LIMB DISCOMFORT, MIGRAINE, PYREXIA and VISUAL IMPAIRMENT. The patient was treated with PARACETAMOL (TYLENOL) for Flu-like symptoms and Headache, at a dose of UNK dosage form; IBUPROFEN for Flu-like symptoms and Headache, at a dose of 1 UNK and FUROSEMIDE (LASIX [FUROSEMIDE]) for Blood pressure increased, at a dose of 1 UNK. At the time of the report, ILLNESS (Got really sick after 2nd dose), FALL (Fell 10 times), DIZZINESS (Dizziness/Lightheadedness), LIMB DISCOMFORT (Heavy on feet), VISUAL IMPAIRMENT (Cannot see), INFLUENZA LIKE ILLNESS (Flu like symptoms), PYREXIA (Fever), CHILLS (Chills), HEADACHE (Terrible headaches (like lightning bulb)) and MIGRAINE (At hospital they have given her migraine medication) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood pressure measurement: sky high (High) Sky high.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Concomitant product use was not provided by the reporter.   Patient reported multiple tests done and all coming out to be normal or negative.  The patient received both scheduled doses of mRNA-1273 prior to the event; therefore, action taken with the drug in response to the event was not applicable.  Very limited information regarding these events has been provided at this time and a causal relationship cannot be excluded.   This case was linked to MOD-2021-233874 (Patient Link).; Sender's Comments: Very limited information regarding these events has been provided at this time and a causal relationship cannot be excluded.