Whiplash is a neck injury caused by a rapid back-and-forth motion of the head – most often in a rear-end car accident, but also in sports collisions and falls. Symptoms include neck pain and stiffness, headaches, and reduced range of motion, and they frequently do not appear until 24 to 72 hours after the injury.
That delay is the reason so many people skip an evaluation, feel fine on the day of the crash, and end up with lingering neck pain months later. This page explains what whiplash is, how long it typically lasts, the warning signs that need urgent medical attention, and how chiropractic care fits into recovery.
What is whiplash?
Whiplash is a soft-tissue injury to the neck caused by a sudden acceleration-deceleration force. The head is thrown forward and back faster than the neck muscles can brace, straining muscles and ligaments and irritating the joints of the cervical spine.
It does not require a high-speed crash. Whiplash injuries are well documented in low-speed collisions, including impacts where the vehicle showed little or no visible damage. The injury is to the tissue, not the bumper. Contact sports, slips and falls, and physical trauma can produce the same type of injury and symptoms.
What are the symptoms of whiplash?
The most common whiplash symptoms are neck pain and stiffness, headaches that usually start at the base of the skull, and difficulty turning the head. Many people also report shoulder or upper back pain, dizziness, fatigue, and trouble concentrating.
A fuller list of what patients describe after a whiplash injury:
- Neck pain, tightness, or muscle spasm
- Reduced range of motion – trouble checking a blind spot or looking up
- Headaches, typically beginning at the base of the skull
- Pain across the shoulders, upper back, or between the shoulder blades
- Tingling or numbness radiating into the arms or hands
- Dizziness or a sense of unsteadiness
- Fatigue, irritability, or difficulty concentrating
- Disturbed sleep
- Jaw pain or ringing in the ears
Why do whiplash symptoms show up days later?
With a milder whiplash, the onset of symptoms days later is not unusual. Adrenaline and inflammation are the reason: stress hormones released during a crash mask pain for hours, while the inflammatory response in strained tissue builds gradually and often peaks a day or two afterward.
This is why “I felt fine at the scene” is not evidence that you were not injured. It is also why we encourage an evaluation after any collision, even a minor one – establishing a baseline early makes it far easier to track recovery, and it documents the injury while the timeline is clear. If symptoms appear a week or more after an accident and are worsening rather than easing, that is worth having looked at promptly.
How long does whiplash last?
Most whiplash cases improve substantially within a few weeks, and many resolve within about three months. A meaningful minority of people, however, develop symptoms that persist beyond that window – often described as chronic or late whiplash.
Recovery time varies with the severity of the injury, whether there were previous neck problems, and how early care begins. Two factors consistently associated with better outcomes are worth knowing: staying gently active rather than immobilizing the neck, and beginning appropriate care early instead of waiting to see whether it resolves on its own. Prolonged rest and long-term use of a soft collar are no longer recommended in current practice, because they tend to stiffen the neck rather than settle it.
Can whiplash cause headaches?
Yes. Headache is one of the most common whiplash symptoms, second only to neck pain. These are typically cervicogenic headaches – pain referred from irritated joints, muscles, and nerves in the upper neck rather than originating in the head itself.
The pattern is usually recognizable: pain that starts at the base of the skull and radiates forward toward the temples or behind the eyes, often on one side, and frequently worse after holding one position for a while. Because the source is the neck, treatment aimed at the cervical spine often helps where headache medication alone has not.
When should you see a doctor right away after whiplash?
Some symptoms after a neck injury require urgent medical evaluation, not a chiropractic appointment. Go to an emergency department or call 911 if you experience any of the following:
- Severe neck pain following significant trauma
- Numbness, tingling, or weakness in the arms or legs
- Loss of coordination, difficulty walking, or trouble with balance
- Loss of bladder or bowel control
- Severe or rapidly worsening headache
- Confusion, repeated vomiting, slurred speech, or loss of consciousness
- Vision changes or difficulty swallowing
These can indicate a fracture, spinal cord involvement, or a head injury that needs imaging and emergency care first. Our doctors screen for these findings at every evaluation and refer out immediately when the situation calls for it.
How does chiropractic care help whiplash?
Chiropractic care for whiplash focuses on restoring normal motion to the neck joints, easing muscle guarding, and helping you return to activity safely. Treatment typically combines gentle adjustments, soft-tissue work, and specific exercises, with the intensity matched to how irritable the injury is.
Care generally proceeds in stages. Early on, the goal is calming pain and inflammation and protecting the tissue while keeping the neck gently moving. As symptoms settle, the emphasis shifts to restoring range of motion and addressing compensations in the upper back and shoulders. Later, the focus becomes strength, endurance, and posture, so the neck can tolerate ordinary daily loads without flaring.
Alongside adjustments, we may use therapeutic massage for muscle spasm and laser therapy to address pain and support tissue healing. Not every case needs every tool – the plan follows the exam.
What happens at your first visit?
Your first appointment is an evaluation, not a treatment session by default. We take a detailed history of the accident and your symptoms, examine range of motion, neurological function, and the joints and muscles of the neck and upper back, and screen for anything that warrants imaging or referral.
From there you get a straight answer: whether this is something we can help with, what a realistic course of care looks like, and roughly how long it should take. If your situation needs a different provider, we will tell you that and help you get there. You are also welcome to bring paperwork from an auto insurer or attorney – documentation of the injury and your response to care is a routine part of whiplash cases.
Whiplash treatment in St. Peters, MO
Crosby Chiropractic & Acupuncture Centre has cared for accident and injury patients in St. Peters and St. Charles County since 1995. Dr. Jenny Crosby Wiemann holds post-graduate training in whiplash and brain traumatology, which is directly relevant to the mechanism of these injuries and to documenting them accurately.
We are located at 331 Jungermann Road in St. Peters and also see patients from O’Fallon, Dardenne Prairie, St. Charles, Cottleville, and Weldon Spring. To schedule an evaluation, call (636) 928-5588 or request an appointment online.
Frequently asked questions about whiplash
Can you get whiplash in a low-speed accident?
Yes. Whiplash injuries are well documented in low-speed collisions, including crashes with minimal vehicle damage. The forces transmitted to the neck do not correlate neatly with the damage to the car, which is why vehicle appearance is a poor guide to whether you were hurt.
Should I wear a neck brace for whiplash?
Usually not, and not for long. Current practice favors gentle, early movement over immobilization, because prolonged collar use tends to weaken and stiffen the neck. A brace may be appropriate briefly in specific cases – that is a decision for your examining provider to make after a thorough evaluation.
How soon after a car accident should I be evaluated?
As soon as you reasonably can, ideally within a few days, even if you feel alright. Symptoms are commonly delayed, and an early exam establishes a baseline that makes recovery easier to track and the injury easier to document.
Will my auto insurance cover whiplash treatment?
Often, yes. Missouri auto policies frequently include medical payments coverage, and treatment after an accident may also be handled through a liability claim. Coverage varies by policy, so call us at (636) 928-5588 and we will help you sort out how your specific situation is likely to be handled.
Can whiplash come back years later?
Old neck injuries can leave residual stiffness or altered movement that flares under stress, poor posture, or a new minor injury. It is less that whiplash “returns” and more that an incompletely rehabilitated neck stays vulnerable – which is a good argument for finishing a course of care rather than stopping the day the pain eases.
Can a chiropractor help with whiplash?
Yes, for the large majority of whiplash cases, which are soft-tissue and joint injuries without fracture or nerve damage. The exam comes first: we confirm what we are dealing with, rule out findings that need emergency care or imaging, and only then recommend treatment.
Reviewed by Dr. Jenny Crosby Wiemann, DC, President, Crosby Chiropractic & Acupuncture Centre. Post-graduate training in whiplash and brain traumatology; certified DOT medical examiner since 2013. Read Dr. Crosby’s full bio.
Last reviewed: July 2026
This page is for general education and is not a substitute for professional medical advice, diagnosis, or treatment. Individual results vary. If you are experiencing a medical emergency, call 911.
