A car accident happens in seconds, but its effects can last a lifetime—especially if you suffer a brain injury. Unlike cuts or broken bones, a concussion or traumatic brain injury (TBI) isn’t always obvious right away. Many accident victims walk away feeling fine, only to develop headaches, dizziness, or confusion hours or days later. Knowing how to tell if you have a brain injury or concussion after a car accident and seeking medical care immediately can make all the difference in your recovery.
What Is a Brain Injury or Concussion?

A brain injury happens when a sudden force—like a car crash or a blow to the head—causes your brain to hit the inside of your skull. This impact, whether from hitting your head on a steering wheel or the sheer force of the collision, can damage brain cells and affect how your brain works.
How Brain Injuries Happen in Car Accidents
Brain injuries from car accidents can range from mild concussions to severe TBIs, which may cause long-term cognitive and physical impairments. Knowing how to tell if you have a brain injury or concussion after a car accident can help you seek treatment before complications arise.
Here’s how brain injuries can happen after a car accident:
- Whiplash Effect – The rapid back-and-forth motion of your head during a crash can cause your brain to slam against the inside of your skull. This can lead to a concussion, even if you never hit your head.
- Blunt Force Trauma – Directly hitting your head on the steering wheel, dashboard, side window, or airbag can result in a serious brain injury.
- Shaken Brain Injuries – Minor collisions can cause the brain to move violently inside the skull, causing microscopic damage that may not appear on imaging tests.
Brain injuries from car accidents can range from mild concussions to severe TBIs, which may cause long-term cognitive and physical impairments. Understanding how these injuries happen can help you recognize the symptoms early and seek medical attention before complications arise.

Common Signs of a Concussion or Brain Injury
After a crash, adrenaline can mask pain, making you feel fine even if you’ve suffered a brain injury. Many victims mistake symptoms like headaches or dizziness for stress or minor soreness, delaying critical medical care.
However, brain trauma can worsen over time, leading to more severe cognitive or emotional issues. Keeping track of new or worsening symptoms helps doctors assess the injury and strengthens your legal claim if you seek compensation.
Here are some common symptoms of a concussion or brain injury:
- Headaches or pressure in the head
- Dizziness or balance problems
- Nausea or vomiting
- Blurry vision or sensitivity to light
- Feeling confused or “out of it”
- Mood swings, anxiety, or depression
- Trouble sleeping or sleeping too much
- Trouble concentrating or remembering things
Severe Brain Injury Symptoms That Need Immediate Care:
Some concussion symptoms can be mild, but others may signal a more serious brain injury that requires immediate medical attention. If you experience any of the following symptoms after a car accident, seek emergency care immediately:
- Repeated vomiting
- Worsening headaches
- Slurred speech
- Weakness or numbness in arms or legs
- Seizures or loss of consciousness

Why Seeing a Doctor Immediately Is Essential After a Brain Injury
Even if you feel fine after a crash, you should see a doctor because untreated brain injuries can get worse over time. A doctor can diagnose a concussion or traumatic brain injury, even if symptoms aren’t immediately visible.
Many accident victims don’t know how to tell if they have a brain injury or concussion after a car accident, which is why a medical evaluation is so important. Medical records can be used as evidence if you file a legal claim.
Early treatment can also help prevent long-term damage, improving your chances of a full recovery. Common tests used to diagnose traumatic brain injuries include:
- Neurological exams – Checking memory, coordination, and reflexes.
- CT Scans & MRIs – Used to detect bleeding or swelling in the brain.
- Cognitive Tests – Assess memory, concentration, and reaction time.
A concussion or brain injury requires proper care. If diagnosed, follow your doctor’s treatment plan carefully. This means resting, limiting screen time, and avoiding work or physical activity until you recover.
Long-Term Effects of Untreated Brain Injuries and Concussions
Ignoring a brain injury can lead to serious and lasting health problems. While some recover quickly, others experience long-term effects that disrupt their daily lives, careers, and relationships. Without proper treatment, a concussion or traumatic brain injury (TBI) can result in ongoing physical, cognitive, and emotional challenges.
Potential Long-Term Effects of an Untreated Brain Injury:
- Chronic headaches and migraines – Persistent pain that affects focus and quality of life.
- Memory problems and trouble concentrating – Difficulty retaining information, staying organized, or completing tasks.
- Mood swings, anxiety, and depression – Difficulty managing emotions that can impact personal and professional relationships.
- Increased risk of future brain injuries – A prior brain injury makes you more vulnerable to further concussion injuries.
- Changes in personality or difficulty controlling emotions – Easily annoyed, increased aggression, or lack of emotional regulation.
Serious Complications from Untreated Concussions:
- Post-Concussion Syndrome (PCS)
Some concussion symptoms, such as headaches, dizziness, and brain fog, don’t resolve within the expected recovery period and may last for months or even years. This condition can affect work performance, relationships, and overall well-being.
- Second-Impact Syndrome (SIS)
Suffering another head injury before fully healing from a concussion can trigger rapid brain swelling, which can lead to severe disability or even death. This is why sports injuries, workers, and accident victims must take concussions seriously and follow proper recovery guidelines.
Can You Get Compensation for a Brain Injury After A Car Accident?

If a negligent driver caused your accident, you may recover compensation for your brain injury. Concussions and traumatic brain injuries (TBIs) can result in costly medical bills, especially when you need future medical treatment.
You may be able to recover compensation for:
- Medical expenses – Emergency room visits, MRIs, therapy, and rehabilitation.
- Lost wages – If your injury prevents you from working.
- Pain and suffering – Emotional distress, memory issues, and difficulty concentrating.
Liability for your injuries depends on who caused the accident. The at-fault party could be a negligent driver, a trucking company, or a government agency. Insurance companies often downplay brain injury claims, but an experienced personal injury lawyer can help protect your rights.
In California, you have two years from the accident date to file a personal injury lawsuit. Missing this deadline can mean losing your right to compensation. Don’t wait—contact us today for a free consultation and let us fight for the compensation you deserve.
Why You Need a Lawyer for a Brain Injury After a Car Accident
Insurance companies often claim that brain injuries are minor or unrelated to the accident. A lawyer can counter this by gathering medical records, consulting neurological experts, and demonstrating how the injury affects your daily life and ability to work.
Our experienced personal injury lawyers can help:
- Investigate the accident and gather critical evidence to build a strong case.
- Work with medical experts to prove the severity of your brain injury and its long-term impact.
- Negotiate aggressively with insurance companies to secure a fair settlement.
- Take your case to court if necessary—at no upfront cost.
At El Dabe Ritter Trial Lawyers, we have successfully helped car accident victims with brain injuries recover the compensation they need to rebuild their lives. We understand the devastating effects of brain injuries and will fight to ensure you receive the medical care and financial support you deserve.
Protect Your Health & Legal Rights—Call Us Today!

If you or a loved one suffered a concussion or brain injury in a car accident, you don’t have to go through this alone. We understand the challenges you’re facing, and we’re here to help. Let us handle the legal fight while you focus on healing. Call El Dabe Ritter Trial Lawyers for a free consultation today. No fees unless we win.
Disclaimer: The information provided in this blog post is not intended as legal advice and should not be relied upon as such. You should consult with an experienced attorney for advice on your specific situation.