Can you get a concussion without hitting your head?
Whether you've been injured in an accident, are dealing with a personal injury claim, or facing another legal issue, Mendez & Sanchez APC is here to fight for you. Contact us today for a free, no-obligation consultation.
Call Us Now
Yes, you can get a concussion without hitting your head. When a car stops suddenly in a crash, your brain keeps moving inside your skull for a split second before it stops. That movement, not the impact itself, is what causes the injury. Rear-end collisions and airbag deployments are among the most common causes of this type of concussion.
How a concussion happens without head impact
The brain sits in fluid inside the skull. In a violent rear-end collision, your head snaps forward and then backward in a fraction of a second. Your skull stops moving, but your brain lags behind and slams against the inside of the skull wall. Doctors call this a whiplash-associated concussion or a closed-head injury. You may have walked away from the crash with no visible wound, no blood, and no bump on your head. That does not mean your brain was unaffected.
If you were injured in a collision, a car accident attorney can help you understand what a non-impact concussion means for your legal claim.
Symptoms to watch for after a crash
Concussion symptoms do not always appear in the first hour. Some people feel fine at the scene and notice problems days later. Watch for:
- Headache or pressure in the head
- Confusion or feeling foggy
- Nausea or vomiting
- Sensitivity to light or noise
- Memory problems or difficulty concentrating
- Sleep changes: sleeping more than usual or struggling to sleep
- Mood changes, irritability, or feeling more emotional than normal
- Dizziness or balance problems
If you notice any of these after a crash, see a doctor that same day. Do not wait to see if they go away on their own.
Why these cases are harder to prove
No-impact concussions are harder to prove than cases with a visible head wound because there is no obvious injury to point to. Insurance adjusters will look for gaps in your medical records, argue your symptoms were pre-existing, or claim the crash was not severe enough to cause a brain injury. Proving your case requires a paper trail that starts on the day of the crash: a same-day medical visit, detailed notes about every symptom, follow-up appointments, and any imaging your doctor orders.
Why documenting symptoms early is critical
California personal injury claims turn on evidence. If you wait a week to see a doctor, a defense lawyer will argue your concussion came from something else. Write down your symptoms every day. Keep every medical bill, appointment record, and note about missed work.
Mendez and Sanchez is a Los Angeles injury firm focused on car and vehicle accidents. English and Spanish. You talk to an attorney, not a call center. The team has handled concussion cases where there was no visible head injury and no hospital visit on the day of the crash. Speaking with a lawyer sooner rather than later protects your options.
Frequently Asked Questions
Can I get a concussion from a car accident in California even if my head never hit anything?
Yes. California courts and medical experts recognize that concussions can result from the rapid acceleration and deceleration forces of a collision, even without direct head impact. This is called a whiplash-associated concussion. The movement of your brain inside the skull during a sudden stop is enough to cause injury. You do not need a bump, a wound, or any contact with the steering wheel or window for the injury to be real and compensable.
How long do I have to file a claim if I was diagnosed with a concussion after a car accident in California?
You generally have two years from the date of the injury to file a personal injury lawsuit. California Code of Civil Procedure Section 335.1 sets that deadline. If the at-fault driver was a government employee or agency, that deadline can be as short as six months, so act quickly. Missing the deadline almost always means losing your right to recover compensation, regardless of how strong your case is.
What types of compensation can I recover for a non-impact concussion injury in California?
California personal injury law lets you pursue both economic and non-economic damages after a concussion, even one caused without direct head impact. Economic damages cover medical bills, future medical care, and lost wages. Non-economic damages cover pain and suffering, emotional distress, and the impact on your daily life. There is no cap on non-economic damages in California car accident cases.
What are the biggest mistakes people make after a concussion from a car accident that hurt their California injury claim?
Delaying or skipping medical care is the most damaging mistake. California insurance adjusters will argue that a gap in treatment means your concussion was not serious or was caused by something else. See a doctor as soon as possible, even if you feel okay at the scene, and follow every treatment recommendation your doctor gives you. Posting on social media about how you are feeling is another common mistake that can be used against you.
How do lawyers prove a concussion case where there was no visible head injury or impact?
Attorneys build non-impact concussion cases using medical records, imaging such as MRI and CT scans, accident reconstruction data showing the forces involved in the crash, and expert medical testimony about how rapid deceleration causes brain injury. Detailed symptom journals kept by the injured person also carry weight. The goal is to connect the forces of the specific crash to the specific injury documented in the medical records.
Can concussion symptoms from a car accident appear days after the crash?
Yes, and this is common. Some people feel relatively fine at the scene and notice headaches, brain fog, or memory problems two to four days later. Delayed symptoms do not mean the injury is less serious. Seeing a doctor on the day of the crash, even if you feel okay, creates a medical record that protects you if symptoms develop later.