Last updated: July 2026
Back pain shows up differently for different people. Some feel it immediately. Others don’t notice anything until a day or two later, once the adrenaline wears off and the swelling sets in.
Both are normal. Neither means your injury isn’t real.
What Actually Causes It
Three injury types account for most post-crash back pain:
- Whiplash. The same violent forward-back motion that snaps your neck can also affect the lower spine.
- Fractures. Breaks in the thoracic or lumbar vertebrae, ranging from hairline to severe depending on impact force.
- Disc damage. A herniated or bulging disc from the force of the collision, sometimes producing pain immediately, sometimes not for days.
See a doctor regardless of which one you suspect. Undiagnosed spinal injuries get worse, and delayed treatment gives an insurance adjuster an easy argument that you weren’t really hurt.
Can You Get Compensation for It?
Yes, if someone else’s negligence caused the crash. Compensation can include medical bills, lost wages during recovery, and pain and suffering.
What it doesn’t have to be is all-or-nothing. Illinois lets you recover even if you were partially at fault, as long as your share is 50% or less. Your award is just reduced by that percentage.
How much your claim is actually worth depends on the same factors as any injury case: whether surgery is needed, how permanent the damage is, and how much insurance coverage exists to pay it. If the at-fault driver is uninsured or underinsured, which is common, your own uninsured motorist coverage may end up being the real source of recovery. See our full breakdown of what determines settlement value in Illinois.
Proving It
Back pain is invisible on the outside, which is exactly why insurers push back on it. Medical documentation is what turns a claim you believe into a claim you can prove.
Consistent treatment matters more than people expect. Gaps in care read to an adjuster as “not that serious,” even when the real reason was scheduling or cost.
Frequently Asked Questions
How long do I have to file a claim for back pain after a car accident in Illinois?
Generally two years from the date of the accident. Waiting longer risks losing your right to recover entirely.
What if my back pain didn’t start until a few days after the accident?
That’s common and doesn’t undermine your claim. See a doctor as soon as symptoms appear and make sure it’s documented as accident-related.
Can I still recover if I was partially at fault for the accident?
Yes, as long as you’re 50% or less at fault under Illinois’ comparative negligence rule. Your award is reduced by your percentage of fault.
What if the at-fault driver doesn’t have enough insurance to cover my injury?
Your own uninsured/underinsured motorist coverage, required on every Illinois auto policy, may cover the gap.
Talk to a Chicago Back Injury Attorney
The Illinois personal injury law firm of Phillips Law Offices has a recognized reputation as having aggressive, skilled, and determined representatives and advocates for injured individuals and their families. Our back and spinal injury attorneys can review your case and help you pursue full compensation. Contact our Chicago car accident lawyers at (312) 346-4262 for a free consultation.
Read More:
How Do You Prove an Accident Caused Your Back Injury?





