LIFESTYLE NEWS - Diabetes continues to escalate as a major public health challenge in South Africa, with an estimated 2.3 million adults living with the condition, a prevalence rate of around 7.2%. 

Despite the growing numbers, many remain undiagnosed or poorly managed, placing them at risk of diabetes-related complications that extend beyond well-known effects like vision loss.

One of the lesser-known but significant complications is hearing loss. 

The World Health Organisation highlights that diabetes can cause damage to the delicate blood vessels and nerves within the ear, resulting in sensorineural hearing loss, meaning there is damage to the inner ear or the nerve that sends sound signals to the brain, making it hard to hear properly. 

This progressive impairment often goes undetected in the early stages of hearing loss, but can severely impact communication, social engagement, and quality of life.

Bronwyn van Wyk, Head of Audiology at Spec-Savers South Africa, explains, “Hearing loss linked to diabetes is a serious yet under-recognised complication. Many patients do not realise that their diabetes puts their hearing at risk. Audiological screenings should be part of routine diabetes care to ensure early intervention and management.”

While there is limited large-scale local research, clinical experience in South Africa suggests that the prevalence of hearing loss among people living with diabetes is significant. Experts estimate that nearly half of diabetic patients may experience some degree of hearing impairment during the course of their illness.

World Diabetes Day, observed annually on 14 November, is an opportunity to raise awareness of this sensory health risk. 

Glucometer ketometer lancet and strips. Photos: Supplied

South Africans living with diabetes are encouraged to prioritise regular hearing screenings alongside eye examinations and blood sugar monitoring. Controlling diabetes and protecting ear health can help reduce the severity and progression of hearing loss.

Good practices such as managing blood glucose levels, avoiding exposure to loud noise, and early diagnosis through hearing screenings can make a meaningful difference and preserve the quality of life for millions of South Africans.

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