Posted On: April 17, 2026

Understanding the Different Types of Traumatic Brain Injury (TBI)

A traumatic brain injury can change everything in an instant. One moment you’re driving through Moncks Corner or Berkeley County, and the next you’re facing confusion, pain, and uncertainty about your future. Car accidents, truck accidents, and falls are among the leading causes of TBI in the Lowcountry, and the effects can last a lifetime. If you or someone you love suffered a head injury in an accident, understanding the different types of traumatic brain injury is an important first step. You don’t have to figure this out alone. At West Law Firm, our Moncks Corner Personal Injury Lawyers have been serving the Lowcountry since 1945, and we offer free consultations to help you understand your rights.

What is a Traumatic Brain Injury?

A traumatic brain injury (TBI) occurs when a sudden impact, jolt, or blow to the head disrupts normal brain function. Doctors classify TBIs into three severity levels.

Mild TBI: Involves a brief change in mental status or consciousness. Concussions fall into this category. Don’t let the word “mild” fool you. Even mild TBIs can cause lasting problems that affect your daily life.

Moderate TBI: Involves an extended period of unconsciousness or confusion, often lasting hours. Recovery can take months and frequently requires rehabilitation.

Severe TBI: Involves prolonged unconsciousness or amnesia. These injuries often result in permanent disability and require long-term medical care.

The severity of your injury directly affects your treatment plan, recovery timeline, and the compensation you may need to cover future expenses.

The Main Types of Traumatic Brain Injury

Not all brain injuries are the same. Here are the most common traumatic brain injury types and how each one affects the body differently.

Concussions

Concussions are the most common type of TBI. They happen when the brain shakes inside the skull after a sudden impact or rapid change in momentum. Car accidents are among the leading causes, especially rear-end collisions, where the head snaps forward and back quickly. While many individuals recover from a single concussion, repeated concussions can cause serious long-term damage, such as memory loss, difficulty concentrating, and mood changes.

Contusions

A contusion is a bruise on the brain itself. These typically result from a direct blow to the head, such as when your head strikes the steering wheel or window during a crash. Contusions cause swelling and bleeding in the brain. The location and size of the contusion determine how severely it affects brain function, and in severe cases, surgery may be required to relieve pressure.

Diffuse axonal injuries

Diffuse axonal injuries (DAI) are among the most serious types of TBI. They occur when the brain shifts and rotates inside the skull, tearing the nerve fibers that connect different parts of the brain. High-speed car and truck accidents are common causes because of the extreme forces involved. DAIs can result in coma, permanent brain damage, or death.

Coup-contrecoup injuries

A coup-contrecoup injury means the brain is damaged on two sides. The initial impact causes injury at the point of contact (the coup), and then the brain rebounds against the opposite side of the skull, causing a second injury (the contrecoup). These injuries are common in motor vehicle accidents and make recovery more complicated because the damage is spread across multiple areas of the brain.

Penetrating brain injuries

Penetrating injuries occur when an object breaks through the skull and enters the brain tissue. In motor vehicle accidents, these can result from flying debris or objects entering the vehicle during a collision. Penetrating injuries frequently cause permanent damage and require emergency surgery.

Understanding these different types of traumatic brain injury can help you recognize the seriousness of your situation. If you’ve suffered any type of head injury in an accident, call our Moncks Corner office at 843-483-8630 for a free consultation.

Common Causes of TBI in The Lowcountry

In Moncks Corner and throughout Berkeley County, motor vehicle accidents are one of the leading causes of traumatic brain injury. Busy roads, highway traffic, and the mix of commercial trucks and passenger vehicles create dangerous conditions daily.

Common causes of TBI in the area include.

– Car accidents: Especially high-speed collisions and rear-end crashes.

– Truck accidents: The size and weight of commercial trucks make severe brain injuries more likely.

– Motorcycle and bicycle accidents.

– Pedestrian accidents.

– Slip-and-fall accidents: On poorly maintained property.

If you’ve been injured in any of these situations, call our Moncks Corner office at 843-483-8630 for a free consultation. We serve clients throughout Berkeley County and the Lowcountry.

Delayed Symptoms and Why Immediate Medical Attention Matters

One of the most dangerous things about brain injuries is that symptoms don’t always show up right away. You might walk away from an accident feeling shaken but otherwise fine, only to develop serious symptoms hours or even days later.

Delayed TBI symptoms can include.

– Persistent headaches that worsen over time.

– Dizziness, nausea, or balance problems.

– Difficulty concentrating or remembering things.

– Mood changes: Irritability or anxiety.

– Sensitivity to light or noise.

– Blurred vision or extreme fatigue.

This is why you need to see a doctor immediately after any accident, even if you feel fine. A medical evaluation creates documentation of your injury, which is essential if you pursue a legal claim. Early treatment also helps prevent symptoms from worsening.

Insurance companies will use any gap in medical treatment against you. If you wait to see a doctor, they’ll argue your injury isn’t serious or wasn’t caused by the accident. Don’t give them that opportunity. Get a checkup the same day and keep your medical records.

Long-term Impacts of Traumatic Brain Injury

The different types of TBI can affect every part of a person’s life for years or even permanently. Long-term impacts may include.

– Chronic headaches and pain.

– Cognitive difficulties with memory, concentration, and decision-making.

– Emotional and behavioral changes.

– Difficulty working or maintaining employment.

– Need for ongoing medical treatment and rehabilitation.

– Loss of independence in severe cases.

For families in Moncks Corner and Berkeley County dealing with a loved one’s brain injury, the emotional and financial toll can be overwhelming. These long-term consequences are exactly why TBI cases often involve significant compensation. Future medical care, lost earning capacity, and reduced quality of life need to be factored in when calculating what an injured person is truly owed.

If you’re dealing with lasting effects from a brain injury, call 843-483-8630 to find out how we can help.

Why TBI Cases Need Experienced Legal Representation

Traumatic brain injuries are some of the most complex personal injury cases to handle. Insurance companies often try to minimize brain injuries, especially when symptoms are delayed or when imaging doesn’t show visible damage. They’ll pressure low settlement offers that don’t come close to covering the true cost of living with a TBI.

An experienced attorney understands how to work with medical professionals to document the full extent of your injury, calculate future damages, including ongoing care and lost wages, and challenge insurance company tactics designed to reduce your claim.

South Carolina generally gives you three years from the date of your injury to file a personal injury claim. But the sooner you talk to an attorney, the better. Evidence can disappear, and witnesses’ memories fade over time.

West Law Firm Personal Injury Lawyers has been serving the Lowcountry since 1945. Our family-owned firm has nearly 80 years of experience helping injured individuals in Moncks Corner, Berkeley County, Beaufort, Summerville, and throughout the region. We handle motor vehicle accident cases and understand how devastating a brain injury can be for you and your family.

Contact our Moncks Corner office at 843-483-8630 for a free consultation. You don’t pay us unless we recover compensation for you.

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