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If you've been hurt in a crash, knowing how to document injuries after a car accident in Arizona could be the single most important thing you do for your case. Insurance companies are looking for any reason to minimize or deny your claim — and strong, consistent documentation is your best defense. Whether your injuries feel minor at the scene or you end up in the emergency room, the steps you take in the hours, days, and weeks that follow will directly affect how much compensation you can recover.

At Sher Law Group PLLC, our car accident attorneys in Phoenix and Scottsdale work with injured Arizonans every day, and we see firsthand how gaps in documentation can hurt otherwise strong claims. Here's what you need to know.

Why Documentation Matters Under Arizona Law

Arizona follows a "pure comparative fault" system under A.R.S. § 12-2505. That means your compensation can be reduced by whatever percentage of fault is assigned to you. If the other side argues your injuries were pre-existing, exaggerated, or unrelated to the crash, and you have no records to counter that argument, your payout shrinks — or disappears entirely. Thorough documentation creates a factual timeline that ties your injuries directly to the accident, making it much harder for an insurer to shift blame or downplay the severity of what happened to you.

Step 1: Call 911 and Get an Official Police Report

Under A.R.S. § 28-667, drivers involved in accidents that result in injury, death, or significant property damage are required to report the crash. When officers arrive, a report is generated that includes the date, time, location, parties involved, witness information, and often an initial fault determination. Request the report number at the scene and obtain a copy as soon as it's available through the Arizona Department of Transportation (ADOT) or the responding agency. This report is a foundational document for any injury claim.

Step 2: Photograph and Video Everything at the Scene

Use your phone to capture as much visual evidence as possible before vehicles are moved. Focus on:

• All vehicle damage, from multiple angles
• Skid marks, road debris, and the point of impact
• Traffic signs, signals, and road conditions
• Visible injuries on your body — bruises, cuts, swelling
• The other driver's license, insurance card, and license plate
• Contact information for any witnesses

Time-stamped photos are powerful evidence. Do not skip this step even if you feel shaken — or ask a passenger or bystander to do it for you.

Step 3: Seek Medical Attention Immediately — Even If You Feel Fine

This is arguably the most critical step. Many serious injuries — whiplash, concussions, internal bleeding, soft tissue damage — do not produce obvious symptoms right away. Adrenaline masks pain. If you wait several days to see a doctor, the insurance adjuster will argue that your injuries either didn't happen in the crash or weren't serious enough to worry about.

Go to the emergency room, an urgent care clinic, or your primary care physician the same day or the very next morning. Tell the provider exactly how the accident happened and describe every symptom, even vague ones like headaches, stiffness, or difficulty concentrating. Everything you report gets recorded in your medical chart — and that chart becomes evidence.

Step 4: Keep a Detailed Injury and Symptom Journal

Starting the day of the accident, keep a written or digital journal documenting:

• Your pain levels each day (use a 1–10 scale)
• How your injuries affect daily activities — driving, sleeping, working, exercising
• Medications you're taking and any side effects
• Appointments you attend, and what was discussed
• Emotional and psychological impacts, including anxiety, depression, or PTSD symptoms

Arizona law allows recovery for non-economic damages such as pain and suffering, loss of enjoyment of life, and emotional distress. A contemporaneous journal gives your attorney concrete detail to support those damages — details that are nearly impossible to reconstruct months later from memory alone.

Step 5: Organize Every Medical Record and Bill

Request copies of all medical records, imaging results (X-rays, MRIs, CT scans), discharge instructions, and itemized billing statements from every provider you see. This includes:

• Emergency room visits
• Follow-up appointments with specialists
• Physical therapy or chiropractic care
• Prescription receipts
• Any medical equipment purchased (braces, crutches, etc.)

Under Arizona's statute of limitations for personal injury — A.R.S. § 12-542 — you generally have two years from the date of the accident to file a lawsuit. That may sound like plenty of time, but records can become harder to obtain the longer you wait, and memories fade. Start collecting everything now.

Step 6: Document Lost Wages and Financial Losses

If your injuries caused you to miss work, you may be entitled to compensation for lost income. Ask your employer to provide a written statement confirming the days you missed and your normal rate of pay. If you're self-employed or a gig worker, gather tax returns, contracts, and payment records that establish your average earnings. Keep receipts for any out-of-pocket costs — transportation to appointments, home care assistance, or household services you had to hire out because of your injuries.

Step 7: Be Careful What You Post on Social Media

Insurance defense teams routinely monitor injured claimants' social media accounts. A single photo of you smiling at a barbecue — even if you were in pain — can be used to argue your injuries aren't as serious as you claim. Avoid posting about the accident, your injuries, or your activities while your claim is open. Better yet, make your accounts private and talk to an attorney before posting anything.

How Our Car Accident Attorneys Can Help

Documenting your injuries thoroughly is essential, but navigating an insurance claim or lawsuit on your own is another challenge entirely. Arizona's comparative fault rules mean insurers will work hard to assign you a share of the blame — and every percentage point reduces your recovery. Our team at Sher Law Group understands these tactics and knows how to counter them.

We also handle situations that add complexity to car accident claims, such as crashes involving commercial vehicles or delivery drivers — if you've been hurt in one of those situations, see our post on Amazon Flex delivery driver accidents in Arizona for more information. And if you want a deeper understanding of how fault percentages affect your payout, our guide on Arizona comparative negligence law is a helpful read.

Whether you were injured in a collision, a rideshare crash, or any other type of incident, our personal injury lawyers are here to evaluate your situation at no cost to you.

Talk to Sher Law Group — Free Consultation, No Fee Unless We Win

If you're trying to figure out how to document injuries after a car accident in Arizona, the best next step is to speak with an attorney who handles these cases every day. At Sher Law Group PLLC, we offer free consultations and work on a contingency fee basis — meaning you pay nothing unless we recover compensation for you. Call us at 480-418-7437 or reach out online to schedule your free case review today. The sooner you start building your documentation, the stronger your claim will be.