A traumatic brain injury (TBI) happens when a jolt or blow to the head disrupts how your brain works. After a crash, a concussion is the most common kind. The symptoms, headaches, confusion, memory trouble, can hit right away or show up days later. Even a mild TBI needs to be checked out fast, so don’t shrug it off.
What a traumatic brain injury is
A TBI happens when an outside force makes your brain move fast inside your skull or strikes your head directly. In a crash, it can happen even if you never hit anything, because a sudden stop slams your brain against the inside of your skull. What you’re left with is bruising, stretched nerve fibers, swelling, or bleeding that throws off how your brain works.
TBIs run from mild to severe. A concussion counts as a mild TBI, but don’t let the word mild fool you, because the effects can be serious and stick around for a long time. Moderate and severe TBIs involve longer loss of consciousness, heavier symptoms, and a bigger risk of permanent impairment. Any head injury you suspect needs to be looked at by a medical professional. This page is general information, not medical advice.
Symptoms of a concussion or TBI
Brain injury symptoms can be physical, mental, and emotional, and they don’t always show up right away. Some build over hours or days as the swelling grows, which is exactly why you have to watch yourself closely after any hit to the head.
- Headache, dizziness, or a feeling of pressure in your head.
- Confusion, brain fog, or trouble concentrating.
- Memory problems, especially around the crash itself.
- Nausea, vomiting, or sensitivity to light and noise.
- Mood changes, irritability, anxiety, or depression.
- Sleep disturbances and unusual fatigue.
Some signs are flat-out emergencies: repeated vomiting, seizures, a worsening or severe headache, slurred speech, weakness, unequal pupils, or loss of consciousness. Get care immediately. When in doubt after any head injury, get evaluated.
Treatment and long-term effects
Mild concussions are usually handled with physical and mental rest, then a slow, doctor-guided return to activity. Rush back too soon and you drag out your recovery. Doctors may order imaging like a CT scan to rule out bleeding, and follow-up care to track your symptoms.
Moderate to severe TBIs can mean hospitalization, surgery, and heavy rehab with neurologists, therapists, and specialists in speech, occupational, and cognitive therapy. Recovery is different for everyone. Many people bounce back fully from a concussion, but some end up with post-concussion syndrome, with symptoms that last weeks or months. Severe injuries can permanently change your memory, concentration, personality, and ability to work. Only your own care team can judge your prognosis.
Why a brain injury matters for a claim
A brain injury can be invisible from the outside and still turn your life upside down, hitting your work, your relationships, and your independence. In Texas, the at-fault driver is generally responsible for the injuries they cause. Because a TBI may need ongoing care and can cut into what you’re able to earn, its impact reaches far past the first round of medical bills.
What a claim is worth swings widely and depends on severity, whether the damage is permanent, and how it affects your day-to-day functioning, so nobody honest can promise you a number. In Texas you generally have two years from the date of the crash to bring a claim. And since TBI symptoms can be subtle or delayed, getting evaluated early and documenting carefully matters even more.
Documenting a brain injury
Since so many TBI effects don’t show on the surface, your documentation is everything. Get medical care fast so your symptoms are on the record and tied to the crash, and make every follow-up appointment. Imaging, neurological evaluations, and cognitive testing build objective evidence. Keep every record and bill.
It also helps for you, and often a family member, to keep notes on the cognitive and emotional changes: memory lapses, trouble focusing, mood swings, or struggles at work. The people close to you often catch changes you can’t see in yourself. Put next to your medical records, those observations give an honest account of how the brain injury has changed your daily life.
Frequently asked questions
Can you have a concussion without losing consciousness?
Yes. Most concussions don’t involve losing consciousness at all. Confusion, headache, dizziness, and memory trouble can all point to one. Because symptoms can be delayed, get evaluated promptly. This is general information, not medical advice.
How long do TBI symptoms last?
Many people recover from a concussion within weeks, but some deal with post-concussion symptoms for months. Moderate and severe TBIs can leave lasting effects. Recovery is different for everyone, so follow your doctor’s guidance closely.
Why are brain injuries hard to prove?
TBIs often don’t show on the outside, and mild cases may not show up on standard imaging either. Prompt care, neurological and cognitive testing, steady follow-up, and detailed notes on your symptoms all help prove a real brain injury.
Explore related topics including the full injury overview, spinal cord injuries, and catastrophic injuries. Learn what to do after a crash in Houston and about the Texas statute of limitations.