An Ear Infection Turned Fatal: How a Common Illness Progressed to a Deadly Brain Abscess

Published on: June 29, 2026

A Connecticut man's ear infection allegedly progressed to a bone infection and brain abscess, highlighting how routine infections can occasionally become life-threatening when symptoms worsen or spread.

Most people consider an ear infection a routine medical problem. For one Connecticut man, however, what began as ear pain evolved into a devastating chain of events that ultimately ended his life.

According to a lawsuit filed by the family of Serhii Zaiats, a 38-year-old Connecticut resident initially sought care at an urgent care facility in August 2025 for worsening right-sided ear pain accompanied by chills and congestion. He was diagnosed with an ear infection and prescribed antibiotics. Although his symptoms briefly improved, he returned days later complaining of what the lawsuit described as a "terrible headache" with severe pain rated 9 out of 10.

The case highlights a sobering reality: Even common infections can become life-threatening when they spread beyond their original site.

According to the complaint, Zaiats was subsequently diagnosed with sinusitis and an ear infection and was prescribed additional medications. However, the lawsuit alleges clinicians failed to consider whether the infection had progressed beyond the ear and potentially spread into the brain.

Weeks later, Zaiats arrived at Norwalk Hospital with severe symptoms including weakness, fatigue, vomiting, dizziness, and persistent headaches. Diagnostic imaging revealed what the lawsuit described as "a thick-walled, ill-defined cystic lesion" in the brain with significant swelling and mass effect, findings concerning for an intracerebral abscess.

A Message from Sherrie Busby, EDDA, CDSO, CDIPC, author of The Clean Bite

It’s crazy how long we put up with a “nagging pain” until we can’t take it anymore. We try all the over-the-counter and do-it-yourself (DIY) remedies first and find little to no relief. Finally, give in and make a doctor or urgent care appointment, and by then the condition is always worse than it needed to be.

Case in point for the Connecticut man and his ear infection. This type of thing happens in the dental community all too often.

The first thing that stops us is a real fear of going to the dentist in general, and then finances (aka copays or usual, customary, and reasonable fees) often prevent treatment from being completed.

I was listening to a podcast yesterday, and the speaker shared that it’s not that patients don’t understand the treatment need (we do a great job with patient education) or disagree with the doctor prescribing the treatment, but it’s that there may not be pain at that time, so their perceived “need” is not urgent.

A great example of this is when a dental abscess forms under or above a tooth; it may not be painful yet, but there is radiographic evidence of the growing abscess and the need to treat the tooth, most often with a root canal procedure.

But here’s what happens: Due to either just plain fear or finances, we put off the necessary procedure. A root canal gets a bad rap because if it’s done while the abscess is still small or “not painful yet,” the procedure is no more uncomfortable than a simple filling.

Just like that ear infection getting worse over time, the same thing happens with our teeth. You can try all the DIY you want to, but decay waits on no man! The longer the abscess waits, the bigger it gets and the more painful it becomes. And then if left untreated can lead to eventual tooth loss and complete bone loss around the affected area.

Here are a couple of tips to follow:

Next time you start to “feel” your teeth, meaning something feels different, don’t put it off. Make that appointment and keep it!

Follow your doctors’ recommendations for care. The longer you put it off or “put up with it,” the worse the condition gets.
Thanks for letting me rant, and I’ll see you next month in The Clean Bite.

Until next time, my friends—
Stay informed. Stay clean. Stay safe. And follow me @The Clean Bite

Brain abscesses are rare, but serious complications can occur when bacterial infections spread from nearby structures, including the middle ear and mastoid bone. As pressure builds within the skull, patients can experience neurological deterioration, seizures, coma, and death.

Despite transfer to a higher level of care, Zaiats' condition rapidly worsened. According to the lawsuit, follow-up imaging revealed worsening edema, midline shift, and signs of brain herniation, a neurological emergency associated with a high risk of death.

An autopsy later concluded that the cause of death was an ear infection that progressed to a bone infection and subsequently to a brain abscess, according to the filing.

While the allegations remain unproven and are being litigated, the case serves as a reminder that seemingly routine infections can occasionally progress into catastrophic illnesses. Persistent severe headaches, neurological symptoms, worsening pain, fever, or failure to improve with treatment may signal that an infection has spread and requires urgent evaluation.

For clinicians and patients alike, the lesson is clear: common infections are usually treatable, but they should never be dismissed when symptoms escalate or fail to resolve.