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How Long Does a Concussion Last After a Car or Truck Accident?

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Concussion after Accident

Suppose you or a loved one was recently in a motor vehicle accident and diagnosed with a concussion. In that case, you are probably asking yourself questions like, How long does a concussion last after a car accident? And what do I do now? 

A car crash concussion can be tricky. It is not as simple as watching a broken bone or cut heal to know when your concussion is gone. Because of this, understanding what a concussion is and concussion symptoms after a car accident is crucial. If you suffered a concussion after a car accident, you must seek appropriate medical care and legal advice. 

At Greenspan & Greenspan, we can help clarify your next steps and support you through the process. 

How Long Does a Concussion Last After a Car Accident?

Often, concussions following a car accident resolve within a few weeks, though some symptoms can linger for several months. If your symptoms last longer than a few weeks, you may have post-concussion syndrome (PCS), which can last for months or even years.

Concussion claim evidence tracker

Concussion symptoms after a car or truck accident? Track the recovery, not just the diagnosis.

A concussion can affect memory, focus, sleep, mood, work, and daily life. Because symptoms may not be visible, your medical records, symptom timeline, and family observations can become key proof.

Review my concussion claim → Call (914) 946-2500

Why concussion claims are harder to prove

  • ✓Symptoms can appear hours or days after the crash.
  • ✓CT scans and imaging may not fully explain daily symptoms.
  • ✓Treatment gaps can give insurers an excuse to minimize the injury.
Tap to track each stage

How long can concussion symptoms last after a crash?

Every recovery is different. Use this tracker to understand what to document and when to ask for medical or legal help.

1 First 24 hours

Get checked by a doctor or emergency room if you suspect a head injury. Save discharge papers, imaging orders, prescriptions, and any instructions about rest, work, driving, or follow-up care.

2 First few days

Track headaches, dizziness, nausea, brain fog, light sensitivity, sleep changes, mood shifts, and memory problems. Symptoms can become clearer after the adrenaline wears off.

3 Week 1 to 2

Follow up if symptoms are interfering with work, screens, driving, sleep, school, or daily tasks. Keep proof of missed work, reduced hours, or activity restrictions.

4 Week 2 to 3

If symptoms are not improving or get worse after returning to normal activities, ask your healthcare provider whether specialist care, therapy, or a written work plan is needed.

5 Symptoms lasting longer

Lingering symptoms may require stronger documentation: neurology notes, vision therapy, vestibular therapy, cognitive issues, work limits, family observations, and daily symptom logs.

6 Legal claim review

A concussion claim should connect the crash, diagnosis, treatment, symptoms, lost income, and daily-life impact before the insurance company argues the injury is “minor.”

!

Emergency warning signs need urgent medical care

Call 911 or seek emergency care for worsening headache, repeated vomiting, seizures, slurred speech, unusual behavior, confusion, weakness, numbness, unequal pupils, loss of consciousness, or extreme drowsiness.

After care, protect my claim
Concussion evidence builder

Build the file that proves an invisible injury

Concussions can be difficult to see from the outside. The claim becomes stronger when medical proof, symptom history, and life impact line up.

Save these records

  • ✓ER records, urgent care notes, diagnosis, imaging orders, discharge papers, prescriptions, and referrals
  • ✓Neurology notes, primary care visits, vision therapy, vestibular therapy, cognitive therapy, and follow-up appointments
  • ✓Daily symptom journal covering headaches, dizziness, memory, focus, mood, sleep, screen intolerance, and nausea
  • ✓Missed work, reduced hours, job limitations, driving restrictions, family observations, and activity changes
A Medical proof

Objective records from doctors and specialists help show that your symptoms are tied to the crash and required ongoing treatment.

B Family and work proof

Family members, coworkers, and employers may notice changes in mood, focus, fatigue, memory, screen tolerance, and work performance.

C Insurance proof

Keep no-fault forms, claim numbers, adjuster letters, medical bill submissions, denial letters, and wage-loss documentation together.

Claim value check

What can affect the value of a crash-related concussion claim?

A concussion claim is not valued only by the diagnosis. The bigger question is how the injury changed your life and whether the proof supports those changes.

1

Medical expenses

ER care, specialist visits, therapy, prescriptions, follow-up appointments, and future treatment can support the economic damages claim.

2

Lost income

Missed work, reduced hours, job restrictions, screen intolerance, and concentration problems should be documented with wage proof.

3

Daily-life impact

Headaches, sleep problems, mood changes, memory issues, driving limits, and family impact can support noneconomic damages.

4

Treatment gaps

Insurance companies may use delayed care or missed appointments to argue your symptoms are not serious or not crash-related.

5

Serious injury threshold

New York pain and suffering claims may require showing that the injury meets the serious injury threshold.

6

Fault disputes

If the insurer blames you for the crash, your recovery may be reduced or challenged. Fault evidence matters early.

?

Do not let the insurer call a concussion “minor” too early

Symptoms can affect work, memory, sleep, relationships, and daily activities long after the crash. A legal review can help protect the full value of the claim.

Review my concussion damages
New York concussion accident help

A concussion claim needs medical proof, legal strategy, and fast evidence preservation.

Greenspan & Greenspan can review your accident report, medical records, symptoms, treatment history, lost income, insurance issues, and serious injury concerns before the insurance company undervalues your claim.

$30M+ Recovered for injured clients
$1.75M Car accident
$1.4M Truck crash

Past results do not guarantee a similar outcome. This content is for general information only and is not medical or legal advice. Every case depends on the facts, injuries, liability, medical proof, insurance coverage, deadlines, and available evidence.

Schedule a free consultation → Call now

What Is a Concussion?

A concussion is a traumatic brain injury (TBI) caused by a sudden blow, jolt, or bump to the head that causes the brain to move violently within the skull. Concussions are common in car and truck accident cases because the sudden jolt of the vehicle in the crash causes the head and neck to move abruptly, sometimes striking the window, seat, steering wheel, or other part of the car. Importantly, you do not actually have to hit your head to suffer a concussion. The sheer jerking movement is enough to cause injury to the brain within the skull.  

Concussions from a car accident can vary in degrees of severity. They can be mild and resolve quickly on their own, or they can be severe with long-lasting effects. Concussions are a silent injury that is not visible, which can make them extremely dangerous if left undiagnosed and untreated. After any crash, it is essential to see a doctor immediately, even if the accident is minor.

What are the Warning Signs and Symptoms of a Concussion After a Car Accident?

One of the most important things you can do after a car accident is to be aware of the signs of a concussion. Sometimes, it is immediately apparent that a person suffered a head injury because of bleeding, loss of consciousness, or other obvious signs. However, often, brain injuries such as a concussion are not immediately apparent. If you begin to notice specific symptoms, it is essential to consult a doctor immediately. Concussion symptoms can take hours and even days to appear. 

These symptoms include:

  • Headaches, especially if they are severe and persistent;
  • Dizziness;
  • Light-headedness;
  • Nausea and vomiting;
  • Feeling tired and drowsy;
  • Sensitivity to bright light or loud noises;
  • Memory loss or confusion; and
  • Difficulty concentrating and brain fog.

If you or a loved one was recently in a car or truck accident and begins to develop any of these symptoms or feels not quite right, seek medical attention. 

What to Do if You Suspect You Have a Concussion?

If you think a car crash caused your concussion, there are several steps you should take in the days following the crash.

Get Medical Attention

As soon as you suspect a head injury, go to your local emergency room or your primary doctor for a medical evaluation. Your doctor may order diagnostic tests to confirm the concussion and its severity. It is essential to follow any medical advice and instructions to avoid further complications or worsening of the injury. 

Document Your Injury

Whether at the scene or afterward, document what you can about your injury. Take pictures and videos if possible, and note any changes in your behavior, personality, mood, and physical health. Family members and friends may also notice changes that help establish the impact of the concussion. 

Consult with an Experienced Accident Lawyer

You might not realize it yet, but if you suffered a head injury such as a concussion from a car accident, you should hire a Bronx truck accident attorney. You may have significant damages, including medical expenses and lost income, that are piling up. If someone else’s negligence caused the collision, you may be entitled to compensation. Meeting with a seasoned attorney early on can help you preserve your rights and legal options. 

The sooner you seek medical and legal guidance, the better.

Damages in a Car Crash Concussion Case

Concussions often result in expenses and disruptions that extend far beyond the initial emergency room visit, making it crucial to understand the types of compensation that may be available for both short-term and long-term losses. In New York, individuals seeking compensation for a concussion sustained in a car accident may be entitled to two categories of damages.

Economic Damages

Economic damages cover the direct financial losses resulting from the injury. These amounts are typically easier to calculate because they rely on concrete documentation such as medical bills, wage statements, repair invoices, and other receipts. Common examples include the cost of treatment, lost income, and expenses related to repairing or replacing your vehicle.

Noneconomic Damages

Noneconomic damages compensate for the more personal, subjective impacts of a concussion, effects that do not come with a set price tag. These may include pain and suffering, emotional distress, loss of enjoyment of daily activities, and other ways the injury has disrupted your quality of life. Because these losses vary from person to person, they can be more challenging to quantify.

New York has a serious injury threshold that must be met in order to obtain noneconomic damages. One of our experienced personal injury lawyers will be able to explain to you how and under what circumstances a concussion can be considered a serious injury.

In rare instances of particularly egregious behavior, a plaintiff may be awarded punitive damages as a means of punishing the defendant and deterring similar behavior.

New York Car Accident Concussion Lawyers

Since 1959, our attorneys at Greenspan & Greenspan have been helping injured New Yorkers navigate concussion claims and pursue the compensation they deserve. If you suffered a concussion from a motor vehicle accident and are unsure of what to do next, contact us to schedule a no-cost consultation.  Let us help you obtain justice today.

Mike Greenspan

A dedicated attorney with bar admissions in New York, Florida, and the Supreme Court of the United States, has a deep-rooted commitment to his community. Since 1992, he has been a certified high school track and field official and an Executive Committee member of the Glenn D. Loucks Games. He serves on the Board of Directors of the JCC-Rockland and has devoted over a decade to coaching youth sports in Rockland County. Mike was recognized by the County of Rockland as well as the American Association for Justice for his distinguished service in providing free legal representation through the Trial Lawyers Care program for families of victims of the September 11th attacks. He represents clients across a wide range of legal practice areas.

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