| ALA | alpha-lipoic acid |
| DIL | diltiazem |
| NAC | N-acetylcysteine |
| IT | intratympanic |
| DEX | dexamethasone |
| ISSNHL | idiopathic sudden sensorineural hearing loss |
| ABR | auditory brainstem response |
| OC | organ of Corti |
| IP | intraperitoneal |
| uHPLC | ultra-high-performance liquid chromatography |
| NF-κB | nuclear factor kappa-B |
| TNF-α | tumor necrosis factor alpha |
| IL | interleukin |
| TM | tympanic membrane |
| LC-MS/MS | advanced liquid chromatography–tandem mass spectrometry |
| ROS | reactive oxygen species |