Yes. You should get evaluated after a minor car accident, ideally within 72 hours, even if you feel fine and your car looks fine. Research on low-speed rear impacts found that occupants can develop symptoms at a change in vehicle velocity of about 2.5 mph, while the vehicle itself may show no damage until roughly 8.7 mph. That gap is the whole problem. Your bumper is built to survive the crash. Your neck is not.
What counts as a “minor” car accident?
A minor car accident is generally one with low visible vehicle damage, no airbag deployment, no ambulance called, and everyone walking away from the scene. Think of a rear-end tap at a red light on Richmond Avenue, or a parking garage bump near the Galleria.
Here is the catch. “Minor” describes the car. It does not describe what happened to the people inside it. Those are two separate questions, and drivers almost always answer the second one by looking at the first.
Can you actually get hurt in a crash with no visible car damage?
Yes, and this is one of the best-documented findings in the collision injury literature. A 1998 review in the Journal of Manipulative and Physiological Therapeutics examined low-speed rear-end collisions specifically and concluded there is no reliable relationship between occupant injury, vehicle speed, and vehicle damage. The review reported that crash tests indicate a velocity change of 4 km/hr (2.5 mph) may produce occupant symptoms, while vehicle damage may not occur until 14 to 15 km/hr (8.7 mph).
Modern bumpers make this worse, not better. They are engineered to absorb a hit and spring back without deforming, which protects your repair bill and does nothing for your cervical spine. The energy has to go somewhere. When the bumper does not crumple, more of it transfers to the occupant.
I have taken x-rays on people whose cars had a scuff you could buff out, and found loss of cervical curve and joint dysfunction that absolutely was not there in the family photos from the month before.
Why do symptoms show up two days later instead of right away?
Because adrenaline masks pain during and immediately after a crash, and the inflammatory response that actually produces symptoms takes 24 to 72 hours to build. At the scene you are flooded with stress hormones designed to keep you functional. You exchange insurance info, you drive home, you tell your spouse you are fine. You believe it.
Then the hormones clear. Injured soft tissue swells. Muscles that were splinting an irritated joint start to spasm. You wake up Thursday and cannot check your blind side.
Delayed onset is the normal pattern for whiplash, not the exception. Published research on whiplash-associated disorders describes symptom onset as typically delayed for several hours and worsening over the following 24 to 48 hours.
The other reason timing matters: a 1994 cohort study in Neurology found that occupants who were unprepared at the moment of impact had more frequent symptoms and more severe headache, and that a rotated or inclined head position at impact was associated with worse musculoligamental strain and more neural involvement. If you were checking your mirror, glancing at your phone mount, or turned toward your passenger when you got hit, your risk profile is worse than someone who saw it coming and braced. Nobody at the scene asks you which way your head was turned. It matters a lot.
When should I go to the ER instead of a chiropractor?
Go to an emergency room first, immediately, if any of the following apply. This is not a wait-and-see list.
- You lost consciousness, even briefly, or you cannot remember the impact
- You have numbness, tingling, or weakness in an arm or leg, or any change in bowel or bladder control
- You have a severe headache that came on suddenly, repeated vomiting, confusion, or vision changes
- You have chest or abdominal pain, shortness of breath, or worsening pain that will not settle with rest
- You are on a blood thinner, or you are pregnant
Those signs point toward things chiropractic care cannot address and should not delay: fracture, bleeding, or neurological emergency. I would rather you sit in a waiting room at Memorial Hermann for four hours and be told you are fine than sit at home hoping.
For everything else, which is the large majority of minor collisions, an outpatient evaluation within the first few days is the right call.
How soon should I get checked out?
Within 72 hours is the window I push for. That timing lines up with the inflammatory curve, so an exam in that window catches findings that are present but not yet loud. It also creates a medical record dated close to the crash, which matters more than most people realize.
If you are reading this three weeks out and hurting, come in anyway. Later is worse than sooner. Later is not worse than never.
How common are minor accidents in Houston?
Very. According to TxDOT data, a reportable crash occurred in Texas every 57 seconds in 2024, and roughly 251,977 people were injured statewide that year. Houston alone recorded 317 traffic deaths in 2024, and preliminary state data showed 142 deaths and 658 serious-injury crashes in the city during the first six months of 2025.
Those are the crashes severe enough to make a report. The stop-and-go tap on the 59 feeder during rush hour, the low-speed hit in a Greenway Plaza garage, the merge that went wrong on the 610 Loop: most of those never generate a serious-injury statistic, and a good number of them still generate a patient.
Does waiting to get treated hurt my insurance claim in Texas?
Yes, gaps in treatment are one of the most common reasons adjusters discount or deny an injury claim. The argument writes itself: if you waited eighteen days to see anyone, how hurt could you have been? Fair or not, that is the position you will be arguing against.
Two Texas specifics worth knowing:
- Personal Injury Protection. Texas insurers are required to offer you at least $2,500 in PIP coverage, and you have it unless you rejected it in writing. PIP pays regardless of fault, which means it often covers an evaluation without you waiting on anyone to accept liability.
- The two-year deadline. Under Texas Civil Practice and Remedies Code § 16.003, you generally have two years from the date of the crash to file a personal injury suit. The clock starts at the accident, not when you finish treatment.
I am a chiropractor, not an attorney, so take the legal side to an attorney. But the documentation side is mine, and clean records that start early are worth more than good intentions that start late.
What does a car accident evaluation at CORE actually involve?
A history focused on collision mechanics, a physical and orthopedic exam, and precision digital x-ray before anyone puts hands on your spine. We do not adjust anyone off a car accident without imaging first. That rule does not bend.
Here is what we are doing with each piece:
- Crash mechanics history. Direction of impact, whether you saw it coming, head position, headrest height, seatbelt, where your hands were on the wheel. This tells us where to look before we look.
- Precision digital x-ray. We are ruling out fracture and instability, and measuring your cervical curve and alignment. Soft tissue injury changes how the spine sits, and film gives us an objective baseline to measure against later.
- Orthopedic and neurological exam. Range of motion, joint-by-joint assessment, nerve tension testing, reflexes and sensation if there is any arm or leg complaint.
- Leg length study when indicated. For lower back and lower extremity cases, we shoot a specialized series at the hip, knee, and ankle with a ruler superimposed, measuring bone length to the millimeter. That is a structural measurement, and it is different from a functional prone leg check. We use it when the presentation calls for it, not on everybody.
From there, care depends on findings. Disc involvement may point toward spinal or cervical decompression therapy. For inflamed, irritated tissue we use PEMF, and for cases that need more we use HEIT (High Energy Inductive Therapy), which delivers substantially more energy than standard PEMF. None of that is shockwave, which we do not offer and which gets confused with HEIT constantly.
What if I feel completely fine?
Then an exam either confirms it or catches something quiet. Both are useful outcomes.
The thing I would ask you to weigh is what happens if you are wrong. Published estimates put the share of whiplash patients who go on to develop chronic neck pain somewhere between 14% and 42%. That range is wide because the research is messy, but even the low end of it should get your attention. A percentage of people who feel fine at day two are not fine at month six, and the ones who did nothing in between are the hardest cases I treat.
Getting cleared costs you an hour. Guessing wrong costs considerably more.
Get evaluated in Houston
We see auto accident patients at all three CORE Chiropractic locations: Galleria, Greenway Plaza, and Memorial City.
Nine chiropractors, over 40,000 patients since 2006, and precision digital x-ray at every location. If you were in a collision this week, call us and get on the schedule inside that 72-hour window.
Sources
- Davis CG. Rear-end impacts: vehicle and occupant response. J Manipulative Physiol Ther. 1998;21(9):629-39. PubMed: https://pubmed.ncbi.nlm.nih.gov/9868635/
- Sturzenegger M, DiStefano G, Radanov BP, Schnidrig A. Presenting symptoms and signs after whiplash injury: the influence of accident mechanisms. Neurology. 1994;44(4):688-93. DOI: https://doi.org/10.1212/wnl.44.4.688
- Texas Department of Transportation, Crash Records Information System, annual crash statistics: https://www.txdot.gov/data-maps/crash-reports-records/motor-vehicle-crash-statistics.html
- Texas Civil Practice and Remedies Code § 16.003 (two-year limitations period)
- Texas Department of Insurance, Personal Injury Protection coverage requirements
This article is for general education and is not a substitute for individual medical evaluation or legal advice.