7 Signs You May Be Suffering a Concussion or TBI After a Car Accident

Every day on roads across the Dallas-Fort Worth metroplex, car accidents happen in an instant and the injuries that follow aren’t always obvious right away. One of the most commonly missed injuries after a collision is a concussion or traumatic brain injury (TBI). You may walk away from the scene feeling shaken but fine, only to find yourself struggling with headaches, dizziness, memory problems, nausea, mood changes and sensitivity to light in the days that follow.

Here’s the critical thing most people don’t realize: you do not have to hit your head to suffer a concussion. The whiplash motion alone from a rear-end collision can be enough to cause a TBI. And symptoms may not appear for 24 to 72 hours after the crash which is why many victims dismiss the injury entirely, assuming they would have known immediately.

At O’Hare and Koch Law Firm, we’ve helped DFW accident victims understand their rights and pursue the compensation they deserve, including for brain injuries that weren’t immediately apparent. If you were recently in a car accident, here are seven signs you may be dealing with a concussion or TBI, and why you should take each one seriously.

The 7 Signs

Sign #1: Persistent Headaches or Pressure in Your Head
One of the most common early indicators of a concussion is a headache that lingers or keeps coming back after the accident. It may feel like a dull ache, a tight pressure, or a throbbing sensation and it may be easy to chalk up to stress or tension. Don’t. Persistent head pain following a crash is your body signaling that something may be wrong, and it warrants a medical evaluation as soon as possible.

Sign #2: Dizziness or Problems with Balance
Feeling lightheaded, unsteady on your feet, or like the room is spinning after a car accident can be a sign that your brain has been disrupted by the force of impact. Balance issues can be subtle at first: you might notice them when getting up quickly, walking across a room, or trying to focus on a screen. If it’s happening, pay attention and reach out to your medical provider for help.

Sign #3: Difficulty Concentrating or Memory Gaps
Do you find yourself re-reading the same sentence, losing your train of thought mid-conversation, or unable to recall details about the accident itself? Cognitive disruption, including trouble concentrating and short-term memory gaps, is a hallmark sign of concussion and TBI. Our clients often describe this as a “brain fog” that makes even routine tasks feel overwhelming. This is not something to push through and ignore.

Sign #4: Sensitivity to Light or Noise
If everyday sounds suddenly feel grating or bright lights are giving you headaches, this heightened sensitivity is a recognized symptom of concussion. You might find yourself avoiding screens, pulling the blinds, or struggling in busy, noisy environments like a grocery store or open office. This symptom is easy to miss because it can develop gradually in the days after the accident.

Sign #5: Sleep Disturbances
Changes in sleep patterns are a frequently overlooked sign of TBI. Some people sleep far more than usual following a brain injury; others develop insomnia or find that they wake frequently through the night. Either extreme, or any significant shift from your normal sleep routine after an accident, should be reported to your doctor and documented carefully.

Sign #6: Irritability or Unexpected Mood Changes
This is the symptom that most often goes unrecognized, and the one that can affect your relationships most deeply. A TBI can cause emotional changes that feel completely out of character: sudden irritability, unexplained sadness, heightened anxiety, or emotional outbursts that are difficult to control. Loved ones often notice these changes before the person experiencing them does. If people in your life are commenting that you seem “different” since the accident, take that seriously.

Sign #7: Nausea or Feeling “Not Quite Right”
Sometimes TBI doesn’t announce itself with dramatic symptoms. Many of our clients describe a vague, persistent feeling that something is off: low-grade nausea, a sense of mental fogginess, or just not feeling like themselves. Trust that instinct. After a car accident, there is no such thing as a symptom too small to mention to your doctor. Document everything, even the things that seem minor.

Why These Symptoms Matter for Your Legal Case

Insurance companies love to dispute brain injury claims because concussions are often “invisible” injuries. Unlike a broken bone that shows clearly on an X-ray, a concussion may not appear on a standard CT scan. Insurers and their defense attorneys routinely argue that your symptoms are exaggerated, pre-existing, or psychological, not caused by the accident.

This is why documenting your symptoms from day one is so critical, especially since some symptoms we’ve mentioned may have a delayed onset. Building a strong TBI case requires prompt and consistent medical treatment, neurological evaluations and neuropsychological testing, a clear record of how your symptoms have affected your daily life and work, and expert witnesses who can connect the crash to your injury.

This is where having an experienced Texas personal injury attorney on your side makes all the difference.

What Compensation Can You Recover for a TBI in Texas?

Texas law allows accident victims to seek compensation for a wide range of damages caused by a concussion or TBI. These include current and future medical expenses (including specialist care and cognitive therapy), lost wages if the injury has kept you from working, reduced earning capacity if your ability to work long-term has been impacted, pain and suffering, and emotional distress and loss of enjoyment of life.

Brain injuries can have ripple effects that last for months or years. The value of a TBI claim is often higher than victims initially expect, which is exactly why insurance companies fight so hard to minimize them.

Contact O’Hare and Koch Law Firm Today

If you or a family member suffered a concussion or brain injury in a car accident in Dallas, Fort Worth, Arlington, Irving, Plano, or anywhere across the DFW metroplex, O’Hare and Koch Law Firm is here to help. We understand the medical and legal complexities of traumatic brain injury cases, and we fight hard to make sure our clients receive full and fair compensation.

Call us today for a free consultation. You don’t pay anything unless we win.

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Written by:
David Koch
David is a member of the American Bar Association, Texas Bar Association and Dallas Bar Association. He is admitted to practice in all Texas courts, as well as U.S. Federal Courts in the Northern, Southern, Eastern and Western Districts of Texas. David handles every case like he is helping a member of his own family and has consistently received excellent results for his clients in over 30+ years of practice. He has tried over 50 cases to verdict and has obtained many million+ dollar results for his clients.