A Concussion After a Crash Can Be a Traumatic Brain Injury

The Short Answer: A Concussion Is a Mild Traumatic Brain Injury

Is a concussion a traumatic brain injury? Yes. A concussion is a mild traumatic brain injury, often called a mild TBI. The two terms describe the same kind of injury. They differ only in severity.

Traumatic brain injury is the broad term. It means a bump, blow or jolt to the head, or an object entering the skull, disrupts how the brain normally works. The American Association of Neurological Surgeons describes mild traumatic brain injury and concussion as involving changes in mental state or consciousness. It also lists headache, dizziness, balance problems, and sensory, thinking and speech problems.

The word “mild” describes the usual severity category. It doesn’t mean symptoms are minor or short-lived for everyone. Some people have symptoms for weeks. For a wider overview of head injuries in crashes, see traumatic brain injury after car and truck crashes.

How TBI Is Classified: Mild, Moderate and Severe

Medical providers grade a traumatic brain injury as mild, moderate or severe. The grade depends on factors such as whether the person stayed conscious, any memory loss, and neurological signs seen at the time of injury. A concussion usually falls in the mild group.

A mild grade doesn’t predict a quick recovery. The 2022 PMC review of concussion in college students describes concussion as a traumatic brain injury with cognitive, physical, emotional and sleep symptoms. The review notes that these symptoms can affect work or school performance during recovery. It also states that symptoms can resolve over time, so doctors track them as they change.

The grade written at the first visit can change. The first exam is a snapshot. Symptoms and test results can shift in the days that follow, and the grade may be updated as more information comes in. The full medical timeline often tells a clearer story than one early note.

How a Car or Truck Crash Causes a Concussion

A crash can cause a concussion even when the head never hits anything. When a vehicle stops or turns suddenly, the head and brain keep moving. The brain can shift back and forth inside the skull, stretching and straining brain tissue.

Common crash situations include striking a steering wheel, dashboard, window or head restraint. Sudden stops and side impacts can also move the head hard enough to cause injury. These injuries can happen at lower speeds as well as high speeds.

A person can have a concussion without losing consciousness. A missing bruise or cut doesn’t rule out a brain injury either.

There can be more than one. That matters in truck crashes, where a driver and a company may both be involved.

Symptoms of a Concussion and Warning Signs That Need Emergency Care

Common concussion symptoms include headache, dizziness, confusion, memory gaps, trouble concentrating, nausea, sensitivity to light or noise, irritability and sleep changes. Some people also notice balance and vision problems.

Symptoms may not show up at the scene. They can start hours or days after a crash, once the shock of the event fades. Many people feel fine right after a crash, but that feeling doesn’t confirm the brain is unharmed. Anyone with a new symptom after a crash should see a medical provider.

Some signs call for emergency medical care right away. These include a headache that keeps getting worse, repeated vomiting, a seizure, slurred speech, weakness or numbness, unequal pupil size, or being very hard to wake. Don’t wait for these signs to pass on their own.

How a Concussion Is Diagnosed

A concussion is usually diagnosed from the person’s history, a neurological exam and a review of symptoms. No single test confirms every concussion. The provider looks at how the person thinks, moves, sees and balances.

Doctors often order CT or MRI scans to check for bleeding or a skull fracture. Those scans mainly look for those problems. They don’t measure concussion symptoms directly.

Some clinicians use standardized symptom checklists and cognitive tests to track recovery. Repeating these checks shows whether symptoms are improving, holding steady or getting worse.

Why the Label and the Medical Record Matter After a Crash

Doctors answer the question “is a concussion a traumatic brain injury” with a medical record, not a label alone. The record describes the injury, the symptoms and the treatment plan. Providers rely on it to guide care, so it should be complete and accurate. A vague note about “head pain” may miss memory or concentration problems that appear later.

Virginia requires a driver involved in a crash with injury or death to stop and report it to police immediately (Va. Code §§ 46.2-371, 46.2-894). Those duties appear in Va. Code § 46.2-371 and Va. Code § 46.2-894. Reporting a crash is a separate duty from filing a lawsuit.

Virginia generally allows two years from the date of injury to file a personal injury lawsuit (Va. Code § 8.01-243(A)); the clock runs from the date of injury, not the date of discovery, with narrow exceptions. The filing period is set out in Va. Code § 8.01-243.

Some claims carry shorter notice requirements. How any deadline applies depends on the facts.

Recovery, Long-Term Effects and Prevention

Many people recover from a concussion over weeks to months, though some have symptoms that last longer. When symptoms persist, providers may use the term post-concussion syndrome. Recovery is usually gradual rather than a single turning point.

Medical providers commonly discuss a few recovery habits. These include rest, a gradual return to normal activity, limits on screen time, and keeping follow-up appointments. Doctors often suggest returning to work, school and driving in steps rather than all at once.

Prevention in a vehicle starts with the seat belt. Virginia requires drivers and adult passengers to wear a seat belt system while the vehicle is moving on a public highway, with exceptions listed in Va. Code § 46.2-1094. Keep head restraints adjusted so the head and neck stay supported.

Frequently Asked Questions