| SSNHL | Sudden Sensorineural Hearing Loss |
| NAC | N-acetyl-L-cysteine |
| DPOAEs | Distortion-Product Otoacoustic Emissions |
| TEOAE | Transiently Evoked Otoacoustic Emission |
| ITS | Intratympanic Steroid Injection |
| OS | Oral Steroids |
| PAS | Postauricular Steroids |
| IvT | Intravenous Therapy |
| PTA | Pure Tone Audiometry |
| ABR | Auditory Brainstem Response testing |
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