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You just got out of a crash. You feel shaken but functional. The other driver is arguing with the officer. Someone asks if you need an ambulance and, honestly, you’re not sure. This page answers the question people actually type into Google after a Phoenix wreck: when to seek medical care after a car accident, in what order, and how those decisions affect both your recovery and any claim you might file later.
We handle car accident cases every day in Arizona. Two things are true at the same time. Your medical decisions right now are about your health, not your case. But those same decisions will end up shaping what an adjuster believes about your injuries weeks later. This guide gives you a triage framework grounded in federal medical guidance from the CDC’s mild TBI and concussion page and the National Library of Medicine’s MedlinePlus overview of spinal cord injuries, plus Arizona-specific context you won’t find on most competitor pages. For scene-level actions before you get to a hospital, see our guide on steps to take at the crash scene.
Here’s the fast version. Read the next section for details.
That’s the framework. Below is the reasoning, the specific symptoms to watch for, and how your medical records connect to an Arizona crash claim.
Some symptoms after a crash are not “wait and see” situations. Per CDC guidance on mild traumatic brain injury and concussion, and NLM’s MedlinePlus guidance on spinal cord injuries, the following warrant immediate emergency evaluation:
Head and brain:
– Loss of consciousness, even briefly
– Confusion, disorientation, or memory gaps about the crash
– Severe or worsening headache
– Repeated vomiting or persistent nausea
– Unequal pupil size
– Seizure activity
– Slurred speech
– Increasing drowsiness or difficulty staying awake
Spine and nerves:
– Numbness or tingling in the arms, hands, legs, or feet
– Weakness in any limb
– Loss of bladder or bowel control
– Neck or back pain with radiating pain, burning, or shock-like sensations
– Any suspicion of spine injury after a high-speed or rollover crash
Chest, abdomen, and internal:
– Chest pain or pressure
– Difficulty breathing
– Severe abdominal pain, distension, or bruising
– Signs of internal bleeding (pale skin, cold sweat, rapid pulse, dizziness on standing)
Spinal precaution. The MedlinePlus guidance on spinal cord injuries is direct: if a spine injury is possible, do not move the injured person unless staying put is more dangerous than moving. Wait for EMS. Improper movement of an unstable spine can turn a partial injury into a permanent one.
If any of these are present, call 911. Don’t drive yourself. The EMS run sheet becomes part of the medical record, and the paramedics’ notes about mental status, pain location, and vital signs are exactly what emergency physicians and, later, treating clinicians rely on.
Adrenaline is a painkiller. So is cortisol. Your body dumps both into your bloodstream during and after a crash, and they suppress the sensations that would otherwise tell you something is wrong. That is why so many people give an accurate, honest answer at the scene (“I’m okay”) and then wake up 12 hours later barely able to turn their head.
Per CDC concussion guidance, a mild TBI can occur without loss of consciousness. You can be talking, walking, and answering questions coherently and still have a brain injury that will present symptoms hours later. The same goes for whiplash-associated disorders, soft-tissue injuries, and slow internal bleeds. The physiology of the acute stress response does not care what your case looks like. It is designed to help you survive the next few minutes, not to give you an accurate injury inventory.
So when you’re deciding whether to accept the ambulance ride or drive yourself to a hospital, factor in that your current pain level is probably lower than your real injury level.
Once adrenaline drops and inflammation builds, symptoms surface. Common patterns:
If any of these develop after you left the scene without treatment, get evaluated. Do not tough it out. A same-week follow-up establishes both a treatment plan and a medical timeline linking the symptoms to the crash.
The CDC’s mild TBI and concussion page is the source we point clients to. Key points that matter after a crash:
Children and adults over 65 warrant a lower threshold for evaluation. Pediatric concussion signs can be subtle (unusual sleepiness, irritability, changes in nursing or eating patterns for infants). Older adults, especially those on anticoagulants, have a higher risk of intracranial bleeding from what looks like a minor bump. When in doubt for either group, go to the ER.
Per the MedlinePlus overview of spinal cord injuries, the warning signs that separate a strain from a possible spine injury are:
If any of these are present, treat it as an emergency. Do not move the person unless there’s an immediate danger like fire. Wait for EMS. Even in less severe presentations, imaging (X-ray, CT, or MRI depending on findings) and a documented neurological exam create the medical record a treating clinician and, later, a claims adjuster will look for.
Use this triage framework.
Emergency room is appropriate for:
– Any red-flag symptom listed above
– Suspected fractures, especially of the spine, skull, ribs, or pelvis
– Suspected TBI or concussion with any concerning symptom
– Suspected internal injury or bleeding
– Loss of consciousness at any point
– Severe pain that is not controlled
Urgent care is appropriate for:
– Moderate symptoms within 24 hours: neck stiffness, back pain, moderate headache
– Wrist, ankle, or knee pain that limits function but no obvious deformity
– Lacerations that may need stitches
– Bruising with tenderness that needs an eye on it
– A same-day exam when the ER is not warranted but you should be seen
Primary care and follow-up providers handle:
– Follow-up on ER or urgent-care visits
– Referrals to orthopedics, neurology, pain management, or physical therapy after an Arizona car accident
– Ongoing management of pain, sleep, cognitive symptoms, and mobility
– Return-to-work and return-to-activity guidance
A common mistake is to skip the urgent-care or primary-care visit because you already went to the ER and were “cleared.” ER visits are designed to rule out life-threatening injuries. They are not designed to manage the neck, back, and soft-tissue injuries that dominate crash medicine. Follow-up is not optional.
The medical reason to follow up is straightforward. Soft-tissue and orthopedic injuries respond to structured treatment: rest, activity modification, targeted physical therapy, imaging when symptoms don’t resolve, and referral to an orthopedic or neurology provider when needed. Skipping follow-up appointments prolongs recovery and can turn a resolvable injury into a chronic one.
The claim-side reason is equally direct. Insurance adjusters read medical records line by line. They look for two patterns:
Consistent follow-up closes both arguments. Show up. Report your symptoms accurately. Complete the recommended physical therapy course. If a provider tells you to come back in two weeks, come back in two weeks.
Your medical chart is the primary record, but a personal symptom diary supports it. What we recommend clients keep:
This log supports both treatment decisions (your PT can adjust the plan based on what actually flared symptoms) and any later claim for non-economic damages like pain and loss of enjoyment of life. Be honest and specific. Do not inflate. Do not minimize.
One more rule: do not post about your symptoms, the crash, or your activity level on social media. Adjusters look. A photo of you at a family barbecue holding your niece gets characterized as “no functional limits” regardless of how you actually felt that afternoon.
Two Arizona-specific points to know.
The crash report and its injury notation. Under A.R.S. § 28-667, investigating officers in Arizona are required to file a written report of the crash. That report includes a notation on whether injuries were present at the scene and how severe they appeared. It is one of the first documents the adjuster pulls, and they compare it against your medical records. If the report says “no injury” because you told the officer you felt fine, and your first ER visit is three days later, expect that gap to be raised. It is not fatal to a claim. It is a fact that will need to be explained with the delayed-symptom physiology described above.
Medical Payments (MedPay) coverage. Per the Arizona Department of Insurance and Financial Institutions’ automobile insurance consumer guide, Arizona insurers may offer MedPay as an optional first-party coverage. If you have it, MedPay typically pays a set amount of medical bills regardless of fault, subject to the policy limit and terms. Check your declarations page or call your insurer and ask directly. MedPay can help bridge the gap while liability is being determined, though exactly how it interacts with your health insurance and any later third-party recovery depends on your specific policy language.
Medical records are the primary evidence linking your injuries to the crash. NHTSA’s Special Crash Investigations program relies on the same class of records, EMS run sheets, ER charts, imaging, and follow-up notes, to establish injury causation in the crashes it studies. Your adjuster is using the same evidentiary framework, in less detail, when they evaluate your claim.
Documentation also matters under Arizona’s comparative negligence rule, which reduces recovery by your percentage of fault. Strong medical records don’t change fault, but they set the ceiling on what your damages actually are, which is the number the fault percentage gets applied to.
Under A.R.S. § 12-542, you have 2 years from the date of injury to file a personal injury lawsuit in Arizona. That sounds like a lot of time. It isn’t.
Here’s why early care matters for the deadline. If a serious injury is diagnosed late, say a herniated disc that wasn’t imaged until month 14 because symptoms were attributed to a simple strain, you lose investigation and negotiation runway. Records have to be gathered. Follow-up providers have to be seen. A demand has to be built. If liability is contested, expert opinions have to be developed. Two years compresses fast when the medical picture keeps expanding.
Early evaluation, even a documented same-week primary-care visit for what feels like a minor stiff neck, protects the timeline. It creates the paper trail that any later clinician can build on and it starts the clock on referrals and imaging while there is still time to negotiate before the deadline pressure kicks in. For the full rule, see our page on Arizona’s 2-year filing deadline.
No. What matters is that you get evaluated when symptoms warrant it and that the visit is documented. Driving yourself to the ER, being driven by a family member, or presenting to urgent care within 24 hours are all documented visits. The ambulance transport creates an EMS run sheet, which is valuable evidence, but skipping the ambulance does not mean your injuries didn’t happen.
There is no bright-line rule, but the shorter the gap, the better. A same-day or next-day visit is ideal. Within a week is generally defensible. Beyond that, adjusters increasingly argue the injury came from something else. If you have a legitimate reason for a longer gap (symptoms that developed slowly, childcare, no transportation), document it. A gap can be explained. It’s harder when there is no explanation on the record.
Feeling fine at the scene is not the same as being uninjured. Adrenaline masks pain, and injuries like concussion, whiplash, and slow internal bleeds can present 24 to 72 hours later. At minimum, a same-week primary-care visit creates a documented baseline. If symptoms develop later, you have a starting point. If nothing develops, you’ve spent one appointment on peace of mind.
Check whether your auto policy includes MedPay per the Arizona DIFI consumer guide. It pays medical bills regardless of fault, up to the policy limit, and does not require you to prove the other driver was liable. Your health insurance also covers crash-related care and may seek reimbursement from any settlement later. Some providers treat on a lien basis in personal injury cases, meaning they wait to be paid from the settlement. Ask before you assume you can’t be seen. The specific terms depend on your policies and any provider agreement.
For children, use a lower threshold. Pediatric concussion signs can be subtle: unusual sleepiness, irritability, changes in eating or nursing, balance changes. If there was any head impact, any loss of consciousness, or any change in behavior after the crash, get a pediatric evaluation. When in doubt, go.
No. Using your own coverage to pay bills up front does not waive your right to recover from the at-fault driver. Your insurers may have a right of reimbursement from any settlement (called subrogation), and how that gets handled depends on the type of coverage and the terms of your policy. This is one of the areas where having an attorney review the file matters, because the interaction between MedPay, health insurance, and a third-party recovery can meaningfully affect what ends up in your pocket.
If you were in a crash in the Phoenix area and are trying to figure out what to do about medical care, insurance, or a claim, we’re happy to talk it through. There’s no charge for the initial call and no obligation. We’d rather answer your questions early than fix a problem later.
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By Jared J. Pehrson | Impact Legal Car Accident Attorneys
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