Kevin Munro
Some viruses, such as measles, mumps and meningitis, can cause hearing difficulties, but what about SARS-CoV-2, the virus that causes Covid-19?
My colleagues and I have identified about 60 studies that report audio-vestibular problems in people with confirmed Covid-19. Our analysis of the pooled data, published in the International Journal of Audiology, reveals that 7%-15% of adults diagnosed with Covid-19 report audio-vestibular symptoms. The most common symptom is tinnitus (ringing in the ears) followed by hearing difficulties and vertigo.
Tinnitus
Tinnitus is a common condition, affecting around 17% of all adults. Most people with tinnitus also have hearing loss, suggesting a close link between the two. In fact, tinnitus is often the first warning that, for instance, exposure to loud noise or drugs that are toxic to…