Tinnitus is phantom noise nobody else hears—such as ringing, clanging, or whistling. How and why tinnitus occurs remains largely a mystery, but it’s well known that some drugs, notably aspirin, can cause or worsen it.
Many athletes routinely take ibuprofen before they exercise in hopes that it will enable them to work out more intensely and will head off muscle soreness. Sounds reasonable and harmless, right? Wrong.