How Do I Know If I Have a Brain Injury After a Car Accident?

brain injury after a car accident

You walked away from the crash.

No blood. No broken bones. Maybe just a headache.

But something feels off. You can’t focus. Your head won’t stop pounding. You feel dizzy, confused, or just not like yourself.

Could it be a brain injury?

The answer is yes—and brain injuries after car accidents are more common than you think. The problem is they don’t always show up right away. You might not realize you’re injured until hours or even days later.

Why Brain Injuries Go Unnoticed After Car Crashes

Car accidents trigger adrenaline.

Your body goes into survival mode. Pain gets masked. Symptoms get delayed.

Brain injuries—especially mild traumatic brain injuries (TBIs) or concussions—don’t always cause visible damage. No bleeding skull. No obvious wound. But inside? Your brain could be swelling, bruising, or bleeding.

What Are the Signs of a Brain Injury After a Car Accident?

Here’s what to watch for in the hours and days after your crash:

Physical symptoms:

  • Headaches that won’t go away
  • Dizziness or loss of balance
  • Nausea or vomiting
  • Blurred vision
  • Sensitivity to light or noise
  • Ringing in your ears
  • Extreme fatigue

Cognitive symptoms:

  • Confusion or disorientation
  • Memory problems
  • Difficulty concentrating
  • Slowed thinking
  • Feeling “foggy”

Emotional and behavioral changes:

  • Irritability or mood swings
  • Anxiety or depression
  • Changes in sleep patterns
  • Feeling more emotional than usual

Even one or two of these symptoms can signal a brain injury. Don’t wait for them all to appear before seeking help.

What Causes Brain Injuries in Car Accidents?

Your brain floats inside your skull. When your car stops suddenly—or gets hit—your brain keeps moving. It crashes into the inside of your skull.

This causes:

  • Concussions: The most common type of TBI. Can range from mild to severe.
  • Contusions: Bruising on the brain tissue.
  • Diffuse axonal injuries: Tearing of brain structures from violent shaking or rotation.
  • Penetrating injuries: When objects pierce the skull (like glass or debris).
  • Coup-contrecoup injuries: Brain damage on both sides—where impact occurred and the opposite side.

You don’t need to hit your head to get a brain injury. The force from a car crash alone can cause damage.

When Should You See a Doctor?

Right away.

If you were in a car accident—especially one involving high speed, a rollover, or significant impact—get checked out. Even if you feel fine.

Go to the ER immediately if you experience:

  • Loss of consciousness (even briefly)
  • Seizures
  • Repeated vomiting
  • Worsening headache
  • Slurred speech
  • Weakness or numbness in your limbs
  • Pupils that are different sizes
  • Inability to wake up
  • Fluid or blood draining from your nose or ears

These are signs of a serious brain injury. Don’t wait.

How Are Brain Injuries Diagnosed?

Doctors use several methods to diagnose brain injuries:

  • Neurological exams: Tests your vision, hearing, balance, coordination, and reflexes.
  • Cognitive tests: Evaluates memory, concentration, and problem-solving skills.
  • CT scans: Shows bleeding, swelling, or skull fractures.
  • MRI scans: Provides detailed images of brain tissue damage.

Early diagnosis is critical. The sooner a brain injury is detected, the better your chances of recovery—and the stronger your legal claim.

What Happens If a Brain Injury Goes Untreated?

Ignoring brain injury symptoms can lead to:

  • Long-term cognitive problems
  • Chronic headaches
  • Memory loss
  • Personality changes
  • Increased risk of future brain injuries
  • Permanent disability
  • In severe cases, death

Brain injuries don’t heal on their own. Get help.

Can You Sue for a Brain Injury After a Car Accident in California?

Yes.

If another driver caused your accident, you can file a personal injury claim to recover compensation for:

  • Medical bills (emergency care, hospital stays, surgery, rehabilitation)
  • Lost wages (if you can’t work during recovery)
  • Future medical costs (ongoing treatment, therapy)
  • Pain and suffering
  • Loss of enjoyment of life
  • Permanent disability

In California, you have two years from the date of the accident to file a claim. Don’t wait too long.

Brain injury cases are complex. Insurance companies will try to downplay your injury or deny it altogether. You need a lawyer who knows how to prove the full extent of your damages.

Why You Need a California Car Accident Lawyer

Brain injuries change lives.

They affect your ability to work, think, and function. The costs add up fast—medical bills, lost income, ongoing care.

Insurance companies know this. They’ll pressure you to settle quickly for less than you deserve.

At DP Injury Attorneys, we fight for maximum compensation. We work with medical professionals to document your injury, calculate future costs, and build a case that shows the true impact of your brain injury.

We don’t back down. We don’t settle cheap. We fight like your recovery depends on it—because it does.

No fees unless we win.

Get Help Today

If you or someone you love is showing signs of a brain injury after a car accident, don’t wait.

See a doctor. Document everything. Then call us.

DP Injury Attorneys offers free consultations. We’ll review your case, answer your questions, and explain your legal options—at no cost to you.

Your recovery matters. Your claim matters. Let us handle the legal fight while you focus on healing.

Contact DP Injury Attorneys today.

Author Bio

Arthur Paul D’Egidio is the Managing Partner of DP Injury Attorneys, a San Diego personal injury law firm. With more than 12 years of experience in California injury law, he has dedicated his practice to representing clients in a wide range of personal injury matters, including car accidents, workers’ compensation, slip and falls, catastrophic injury, and wrongful death cases.

Arthur received his Juris Doctor from the Thomas Jefferson School of Law and is a member of the State Bar of California as well as the San Diego County Bar Association. He has received numerous accolades for his work, including being named a Super Lawyer for seven straight years by Thomson Reuters and a “Top 40 Under 40” by the National Trial Lawyers.

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