Pressure in the inner ear, clogged ear, ear still feel clogged; nerve pain in middle ear,nerve firing, still feels debilitating with more nerve pain; patient was supposed to get the second dose, it has been 6 weeks since the first dose; patient threw up at night; Pinch nerve in the ear like pressure down, nerve firing; ear ache; Pain woke patient up at night and it made if difficult for patient to concentrate; Patient felt exhausted; ENT specialist told patient that there was a 20-25 decibel loss in the left ear which is equal to losing 1/2 of hearing,hearing loss in the left ear; Vertigo; Dizziness; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of HYPOACUSIS (ENT specialist told patient that there was a 20-25 decibel loss in the left ear which is equal to losing 1/2 of hearing,hearing loss in the left ear), VERTIGO (Vertigo), DIZZINESS (Dizziness), EAR DISCOMFORT (Pressure in the inner ear, clogged ear, ear still feel clogged) and NEURALGIA (nerve pain in middle ear,nerve firing, still feels debilitating with more nerve pain) in a 51-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 016B21) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 06-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 09-Apr-2021, the patient experienced HYPOACUSIS (ENT specialist told patient that there was a 20-25 decibel loss in the left ear which is equal to losing 1/2 of hearing,hearing loss in the left ear), VERTIGO (Vertigo) and DIZZINESS (Dizziness). On 10-Apr-2021, the patient experienced FATIGUE (Patient felt exhausted). On 20-Apr-2021, the patient experienced EAR PAIN (ear ache), DISTURBANCE IN ATTENTION (Pain woke patient up at night and it made if difficult for patient to concentrate) and NERVE COMPRESSION (Pinch nerve in the ear like pressure down, nerve firing). On 23-Apr-2021, the patient experienced VOMITING (patient threw up at night). On an unknown date, the patient experienced EAR DISCOMFORT (Pressure in the inner ear, clogged ear, ear still feel clogged), NEURALGIA (nerve pain in middle ear,nerve firing, still feels debilitating with more nerve pain) and PRODUCT DOSE OMISSION ISSUE (patient was supposed to get the second dose, it has been 6 weeks since the first dose). The patient was treated with PSEUDOEPHEDRINE at an unspecified dose and frequency; METHYLPREDNISOLONE at a dose of Methylprednisolone pack for 7 days; IBUPROFEN (ADVIL [IBUPROFEN]) at a dose of 400 milligram twice a day; IBUPROFEN (ADVIL [IBUPROFEN]) at a dose of 400 milligram three times a day; METHYLPREDNISOLONE at a dose of 20 mg x2 days; METHYLPREDNISOLONE at a dose of 1 day x10 mg 9 days; METHYLPREDNISOLONE at a dose of 40 milligram four times per day; METHYLPREDNISOLONE at a dose of 40 mg x3 days and METHYLPREDNISOLONE at a dose of 30 mg x3 days. At the time of the report, HYPOACUSIS (ENT specialist told patient that there was a 20-25 decibel loss in the left ear which is equal to losing 1/2 of hearing,hearing loss in the left ear) was resolving, VERTIGO (Vertigo), DIZZINESS (Dizziness), DISTURBANCE IN ATTENTION (Pain woke patient up at night and it made if difficult for patient to concentrate), PRODUCT DOSE OMISSION ISSUE (patient was supposed to get the second dose, it has been 6 weeks since the first dose), NERVE COMPRESSION (Pinch nerve in the ear like pressure down, nerve firing), FATIGUE (Patient felt exhausted) and VOMITING (patient threw up at night) outcome was unknown and EAR DISCOMFORT (Pressure in the inner ear, clogged ear, ear still feel clogged), NEURALGIA (nerve pain in middle ear,nerve firing, still feels debilitating with more nerve pain) and EAR PAIN (ear ache) had not resolved. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Concomitant product use was not provided by the reporter.