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Are Concussions Common in Car Accidents

Are concussions common in car accidents? Absolutely. They’re one of the most frequent injuries we see our clients go through after a crash. A concussion can happen in a majority of collisions, from a very low-speed fender bender to the whiplash effect, when the brain is suddenly jolted inside the skull by the impact. The injury can be as mild and temporary or may even become severe, bringing about long-term cognitive or emotional effects.

At The Williams Firm, our Nashville car accident lawyer has represented clients dealing with the aftermath of concussion-related injuries following car wrecks. We understand how disruptive these invisible injuries can be, not just physically, but emotionally and financially.

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What Is A Concussion?

A concussion is a type of mild traumatic brain injury (TBI) that temporarily affects how the brain functions. The Mayo Clinic defines a concussion as a brain injury that may cause headaches, confusion, memory problems, or issues with balance and concentration. It often results from a direct blow to the head or a violent shaking of the body that forces the brain to move rapidly inside the skull.

While some people lose consciousness after a concussion, most do not. Symptoms may appear immediately or develop gradually over hours or even days. That’s what makes these injuries particularly dangerous; victims often underestimate the seriousness of what feels like “just a headache” or “a little dizziness” after a crash.

Common Signs and Symptoms of a Concussion After a Car Accident

Recognizing the signs of a concussion is essential for protecting your health and preserving your legal claim. Because concussions affect brain function, the symptoms can appear subtle or confusing. Some of the most common signs include:

  • Persistent headache or a feeling of pressure in the head.
  • Nausea or vomiting.
  • Dizziness, balance problems, or blurred vision.
  • Sensitivity to light or noise.
  • Difficulty concentrating or remembering details.
  • Fatigue, confusion, or sluggishness.
  • Sudden mood changes or irritability.
  • Trouble sleeping or sleeping more than usual.

Each person’s experience may be different. Even if your head never hit anything during the crash, the sudden whiplash motion can still cause a concussion by forcing the brain to move rapidly within the skull.

When to Seek Medical Attention

After any car accident, you should always seek medical care, even if you feel “fine.” A healthcare professional can perform neurological exams and order imaging tests to detect internal injuries you can’t see or feel.
Get emergency care immediately if you experience:

  • Loss of consciousness
  • Persistent vomiting
  • Worsening headache
  • Seizures
  • Unequal pupil size
  • Slurred speech or confusion

Quick diagnosis and documentation not only protect your health but also strengthen any future personal injury claim. Medical records from the initial evaluation often serve as critical evidence when proving the link between your concussion and the crash.

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How Concussions Are Diagnosed and Treated

Diagnosing a concussion usually starts with a physical and neurological examination. Doctors may test memory, reflexes, balance, and coordination. Imaging scans such as CT or MRI may be used to rule out bleeding or swelling in the brain.

Most concussions improve with proper rest and gradual return to activity. Doctors typically recommend physical and cognitive rest, meaning no sports, strenuous activity, or intense mental focus for a few days. For more serious cases, a neurologist or concussion specialist might develop a personalized treatment plan.

When we represent clients with brain injuries, we encourage them to follow their doctor’s treatment plan closely. Doing so helps ensure the best possible recovery and provides the documentation necessary to support a fair settlement.

Long-Term Effects of Concussions from Car Accidents

While many people recover from a concussion within a few weeks, others continue to experience lingering symptoms for months or even years, a condition known as post-concussion syndrome. These ongoing effects can include persistent headaches, difficulty concentrating, dizziness, and emotional changes that interfere with daily life and work.

According to the Centers for Disease Control and Prevention (CDC), thousands of crash-related concussions occur every year in the United States. Even without a direct hit to the head, the sudden, forceful motion of a collision can cause the brain to move within the skull, resulting in a mild traumatic brain injury (TBI) with potentially long-term consequences.

Getting Legal Support From a Nashville Car Accident Lawyer

If you suspect you suffered a concussion after a car accident in Nashville, don’t wait to get help. Reach out to The Williams Firm today at (615)-256-8880 for a free consultation. We’ll review your case, explain your legal options, and help you secure the care and compensation you need to move forward.

Jonathan Williams

When an accident or loss turns your life upside down, you need more than a lawyer—you need a relentless advocate who knows Tennessee and fights for you like family. Jonathan Williams, a born-and-raised Nashvillian, is the owner and managing partner of The Williams Firm. He brings more than 18 years of tenacious litigation experience as a Nashville personal injury lawyer to secure justice and maximum compensation for his clients. Jonathan lives in West Nashville with his wife, Megan, and their young son, Carter. They are anxiously expecting the birth of their daughter in


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