40 to 50 % of hearing loss on left side; his right ear is also affected as well but not to the great extent.; Pain in his right arm; Could not get out of bed; Left ear started buzzing with hollow sound which gradually increased every week; Tickling; Numbness on toes of his right foot; Started feeling that skin bellow his eye and right side of his face was falling; Difficulty moving his right leg to use break pedal while driving his car; Mild Fever; Pain in his hand; Shivering; This spontaneous case was reported by a consumer and describes the occurrence of DEAFNESS (40 to 50 % of hearing loss on left side) and DEAFNESS (his right ear is also affected as well but not to the great extent.) in a 44-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concomitant products included METFORMIN HYDROCHLORIDE (METFORMIN ER), CETIRIZINE HYDROCHLORIDE, PSEUDOEPHEDRINE HYDROCHLORIDE (RYVEL PLUS) and ATORVASTATIN for an unknown indication.   On 20-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 18-May-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 DEAFNESS (40 to 50 % of hearing loss on left side) (seriousness criterion medically significant), DEAFNESS (his right ear is also affected as well but not to the great extent.) (seriousness criterion medically significant), PAIN IN EXTREMITY (Pain in his right arm), MALAISE (Could not get out of bed), TINNITUS (Left ear started buzzing with hollow sound which gradually increased every week), FEELING ABNORMAL (Tickling), HYPOAESTHESIA (Numbness on toes of his right foot), SKIN EXFOLIATION (Started feeling that skin bellow his eye and right side of his face was falling), MOBILITY DECREASED (Difficulty moving his right leg to use break pedal while driving his car), PYREXIA (Mild Fever), MYALGIA (Pain in his hand) and CHILLS (Shivering). The patient was treated with PARACETAMOL (TYLENOL) for Malaise, at an unspecified dose and frequency. At the time of the report, DEAFNESS (40 to 50 % of hearing loss on left side), DEAFNESS (his right ear is also affected as well but not to the great extent.), PAIN IN EXTREMITY (Pain in his right arm), MALAISE (Could not get out of bed), TINNITUS (Left ear started buzzing with hollow sound which gradually increased every week), FEELING ABNORMAL (Tickling), HYPOAESTHESIA (Numbness on toes of his right foot), SKIN EXFOLIATION (Started feeling that skin bellow his eye and right side of his face was falling), MOBILITY DECREASED (Difficulty moving his right leg to use break pedal while driving his car), PYREXIA (Mild Fever), MYALGIA (Pain in his hand) and CHILLS (Shivering) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Acoustic stimulation tests: abnormal (abnormal) 40 to 50 % of hearing loss on left side and mentioned that his right ear is also affected as well but not to the great extent..     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Company Comment: Very limited information regarding these events has been provided at this time. Further information has been requested.   This case was linked to MOD-2021-259292 (Patient Link).; Sender's Comments: Very limited information regarding these events has been provided at this time. Further information has been requested.