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A review of occupational noise-induced hearing loss: focus on mechanisms and preventive measures

Kow-Tong Chen^1,2, Shih-Bin Su³

¹Department of Occupational Medicine, Tainan Municipal Hospital (Managed by Show Chwan Medical Care Corporation), Tainan 701, Taiwan.

British Medical Bulletin

|November 25, 2025

Abstract

Introduction:

This research investigates the epidemiology, underlying mechanisms, and prevention strategies associated with occupational noise-induced hearing loss (ONIHL), while also presenting effective control measures.

Source Of Data:

Relevant literature was sourced from databases such as MEDLINE, PubMed, Embase, Web of Science, and Google Scholar, encompassing articles until February 2025.

Areas Of Agreement:

ONIHL is widely recognized as a common occupational health issue among workers. Additionally, noise can lead to psychological and physiological complications beyond direct auditory damage.

Areas Of Controversy:

The effects of noise differ across individuals, and the precise causes behind ONIHL remain poorly understood, although several pathways have been proposed.

Growing Points:

New treatment options focused on oxidative stress, inflammation, and neuropathy are being developed through innovative drug delivery systems.

Areas Timely For Developing Research:

There is a pressing need for molecular approaches to explore the mechanisms of ONIHL, particularly in the care of individuals with hearing disabilities.

Keywords:

epidemiology noise-induced hearing loss occupational diseases pathogenesis

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