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A woman holding the back of her neck in front of two cars after a collision

Chiropractic

Whiplash

Neck pain and stiffness after a crash — why symptoms peak on day two or three, why scans are usually normal, and how TAC claims work in Victoria.

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Whiplash is what happens when the head is thrown rapidly in one direction and back again — most often in a rear-end car crash, but also in sport, a fall, or any sudden jolt. The neck moves further and faster than the muscles can control, and the tissues that restrain it are strained.

The medical term is whiplash-associated disorder, which is broader than neck pain alone and is why the symptom list is longer than people expect.

What it usually involves

  • Neck pain and stiffness, often worst on turning to look over one shoulder
  • Pain across the shoulders and between the shoulder blades
  • Headache, typically starting at the base of the skull
  • Reduced movement — reversing the car is the common complaint
  • Pins and needles or aching into an arm
  • Dizziness, fatigue, poor concentration, or disturbed sleep

Why it often feels worse two days later

Adrenaline at the time of the crash masks a great deal, and the inflammatory response to strained tissue builds over the next 24 to 72 hours. Feeling all right at the scene is very common and is not evidence that nothing happened.

That delay is also why people talk themselves out of getting it looked at. By the time the neck is genuinely stiff, the crash feels like it was days ago and unrelated.

Why the scan is usually normal

Imaging after a crash is used to rule out fracture or instability, and there are established criteria for when it is warranted. For ordinary whiplash it is typically normal — and a normal scan does not mean the pain is not real. Strained muscle and ligament does not appear on an X-ray, which is a limitation of the test rather than a verdict on the injury.

Seek emergency medical care if

  • There was a loss of consciousness, or there is confusion, repeated vomiting or a worsening headache after a head impact
  • There is severe pain in the middle of the back of the neck, or the neck cannot be turned at all
  • There is numbness, pins and needles or weakness in both arms or in the legs
  • There is any change in bladder or bowel control
  • One side of the face droops, speech is slurred, or vision is lost in one or both eyes

Any of these means an emergency department or 000 now, not an appointment and not a call to us first. For everything else, we screen for these before treating, and if you describe one we will tell you the same thing and help you get seen rather than book you in.

What treatment involves

The evidence here changed direction some years ago and the old advice still circulates. Prolonged collar use and rest are no longer the recommendation — staying gently active and returning to ordinary movement early is associated with better recovery. That does not mean pushing through pain; it means moving within what you can tolerate and increasing it as it allows.

Assessment establishes what is restricted, whether nerve symptoms are genuinely present, and whether anything on the list above needs ruling out first. Treatment then generally combines gentle joint techniques with soft tissue work, and a graded return to movement — turning, driving, lifting, and whatever your work asks of you.

The explanation matters more here than in most presentations. Distress about the injury is one of the factors most associated with slower recovery, and a clear account of what has been strained and what the expected course looks like is part of the treatment rather than a courtesy.

TAC claims in Victoria

If the injury came from a transport accident, treatment can be claimed through the Transport Accident Commission. TAC is not bulk billed here: you pay for the appointment on the day and the clinic submits the invoice to the TAC for you, so the reimbursement comes back to you. The claim has to be lodged and the approval in place first, so lodge it as soon as you can and bring your claim number, the date of the accident and your case manager’s contact details to the first appointment. WorkSafe claims work the same way where the injury happened at work.

More on how that is handled here: WorkCover and TAC claiming.

Who you would see here

If the picture is Who usually leads
Joint restriction, neck stiffness, neck-driven headache Chiropractic
Strength and endurance work, and a graded return to driving, lifting or sport Physiotherapy
Persistent muscular guarding across the neck and shoulders Remedial massage or myotherapy
Sleep, tension and pain that is not settling with hands-on care alone Acupuncture

Moving between them here is a conversation between two practitioners in the same building, not a new referral and a new waiting list.

How long it takes

Most people improve substantially within six to twelve weeks. A minority have symptoms that persist longer, and the factors most associated with that are high pain intensity early on, marked movement restriction, and high distress about the injury.

You will be given an expected timeframe at the first appointment, along with the milestones to expect and when. Your progress is reviewed at each visit and the plan follows it.

Related reading: neck and shoulder pain, headaches, and sports injuries.

Questions

Common questions

Why did my neck feel fine at the crash and terrible two days later?

That is the usual pattern rather than an exception. Adrenaline at the time masks symptoms, and the inflammatory response to strained tissue builds over the following 24 to 72 hours. Feeling all right at the scene is not evidence that nothing happened, which is why symptoms appearing on day two or three are worth having assessed rather than dismissed.

Do I need a scan after whiplash?

Usually not. Imaging after a crash is used to rule out fracture or instability, and there are established criteria for when that is warranted — significant midline neck tenderness, neurological symptoms, a high-speed mechanism, or an inability to turn the head. For ordinary whiplash the scan is typically normal, and a normal scan does not mean the pain is not real. Soft tissue strain does not show up on an X-ray.

Should I wear a collar and rest?

No. Prolonged collar use and rest were standard once and the evidence went the other way — staying gently active and returning to normal movement early is associated with better recovery than immobilising the neck. That does not mean pushing through pain. It means moving within what you can tolerate, and increasing it.

Can I claim treatment through the TAC?

In Victoria, yes, if the injury came from a transport accident. TAC is not bulk billed at Brunswick Health: you pay for the appointment on the day and we submit the invoice to the TAC for you, so the reimbursement comes back to you. The claim has to be lodged and the approval in place first, so lodge it as soon as you can and bring your claim number, the date of the accident and your case manager's contact details to the first appointment.

How long does whiplash take to settle?

Most people improve substantially within six to twelve weeks. A minority have symptoms that persist longer, and the factors most associated with that are high pain intensity early on, marked movement restriction, and high distress about the injury — which is one reason a clear explanation early is part of the treatment rather than a courtesy.

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