After a car accident, many people say “I’m okay” when they get out of the car and sign documents with the insurance company without seeking medical attention. A few days later, symptoms start to appear. pain after a car accident That they weren't there before: stiff neck, back pain, headaches that won't subside. Those pains are not a coincidence; they are a sign that your body had hidden injuries from the impact.
According to the North Carolina Traffic Crash Facts 2024 (NCDOT), in North Carolina there was 113,602 people injured in 284,546 accidents . Many of these victims discovered their injuries days or weeks after the crash, when the effects of the trauma became apparent.
Why is the pain that appears days after the collision so common?
The human body releases adrenaline and cortisol during an accident, hormones that temporarily block pain to allow you to react. This “fight or flight” mechanism can last from 24 to 72 hours, and during that time the brain does not register the actual injuries. When those hormones drop, symptoms appear.
In addition, many injuries in accidents are from Soft fabrics (muscles, ligaments, tendons) or microtraumas The inflammation takes time to manifest. The inflammation accumulated over 2-5 days is what causes the late pain.
This means two things:
- Feeling “fine” on the day of the accident does not rule out actual injuries.
- The first few days are the best time to prevent chronic pain.
The 7 most common aches that appear a few days later
1. Neck pain and stiffness (cervical spasm)
The most common. It feels as if the neck is “stuck,” with difficulty turning the head. It can be accompanied by shoulder pain and a high back. It typically appears between 24 and 72 hours after the injury.
2. Persistent headache
It can feel like pressure on the forehead, in the base of the skull, or like a migraine. It is usually related to cervical radiculopathy or a possible mild concussion.
3. Low back pain
The impact compresses the lumbar spine, even when the blow was frontal or lateral. It manifests as a dull or stabbing pain when moving, crouching, or getting up.
4. Abdominal pain
This is a serious warning. It may indicate internal injuries from the seat belt or the steering wheel. If it appears, it requires urgent medical attention.
5. Pain or tingling in the arms or legs
It usually indicates that a nerve is being compressed, usually by a cervical or lumbar disc herniation generated by the impact.
6. Jaw pain (ATM syndrome)
Common in rear-impact collisions. The jaw can be injured by the sudden movement. It is felt when opening the mouth, eating, or speaking.
7. Psychological and emotional pain (post-traumatic stress)
Anxiety when driving, insomnia, nightmares, panic attacks, or fear of getting into a car. It is a real and treatable consequence of the accident, not “weakness” or imagination.
Symptoms after a car accident that you should watch out for
In addition to the pain, there are silent symptoms that also appear days later and that many victims do not associate with the accident. These include:
- Dizziness or vertigo when turning the head
- Tinging in the ears
- Intermittent blurred vision
- Difficulty concentrating or remembering things
- Changes in mood without apparent reason
- Extreme fatigue
- Insomnia or interrupted sleep
- Sensitivity to light or noise
If two or more of these symptoms appear, especially combined with physical pain, it is important to seek evaluation from a professional who understands injury from accidents.
Consequences after a car accident if you do not act in time
Post-accident pain that is not treated can become chronic conditions that affect your life for years. When the body heals injuries without correction, the tissues become misaligned, the muscles compensate incorrectly, and long-term problems arise.
The most common sequelae in patients who ignored their pain are:
- Chronic cervical pain that is activated by stress or cold
- Recurrent migraines that appear without apparent cause
- Hernias of the discs that they evolve from mild to severe
- Sciatica due to untreated nerve compression
- Reduced mobility in the neck, back or shoulders
- Anxiety and depression due to untreated post-traumatic stress
- Chronic fatigue due to inflammation that persists over time
A study published in the Journal of Orthopedic Medicine found that 93% of the patients with cervical cord injury improved with chiropractic care when it was started within the first few weeks.
In our guide Chiropractor for car accident in Raleigh, Durham and Smithfield We explain how to start treatment without an initial payment under a medical lien.
When to go to the emergency room immediately
If any of these symptoms appear after the accident, go directly to the hospital:
- Loss of consciousness, although it was brief
- Repeated vomiting or a headache that gets worse
- Weakness or numbness on one side of the body
- Difficulty speaking
- Severe abdominal pain with bruises
- Loss of sphincter control
- Chest pain or difficulty breathing
These may indicate internal bleeding, severe brain trauma, or spinal cord injuries that require urgent evaluation.
Frequently Asked Questions
Why does the pain appear days after the accident?
During the accident, the body releases adrenaline and cortisol that temporarily block the pain. When these hormones drop (24-72 hours later), the pain appears.
In addition, tissue inflammation takes days to fully develop, which is why many victims experience the worst symptoms on the third or fourth day.
Is it normal to feel pain weeks after an accident?
Yes, although that does not mean that it is harmless. Many soft tissue injuries and herniated discs manifest gradually.
Any new pain that appears in the weeks following the accident should be evaluated by a professional.
How long can the pain from an accident last?
It depends on the treatment. With early treatment, many pains resolve between 12 and 20 weeks.
Without treatment, they can become chronic and last for years. The decisive factor is how quickly you begin rehabilitation after the accident.
Does emotional pain count as a sequela of the accident?
Yes. Anxiety when driving, insomnia, nightmares, and panic attacks are real consequences of trauma. They are called symptoms of post-traumatic stress and are treated with psychological support and, in some cases, with a comprehensive approach that combines the body and mind.
Can I have internal injuries without feeling any severe pain?
Yes. The most serious internal injuries (hemorrhages, damage to organs) may only manifest themselves as fatigue, dizziness, or mild abdominal pain at first.
That is why a complete medical evaluation is essential within the first few days, even if you feel “more or less well”.
Schedule your evaluation today
If you had an accident in Raleigh, Durham or Smithfield (recent or long-standing) and you are experiencing new pains, do not wait for them to become chronic.
At ChiroDuo We speak Spanish 100%, on Saturdays and Sundays, under a medical referral without an initial payment. We evaluate your pain, identify its origin, and coordinate the appropriate treatment.
Call (984) 212-4382
This content is informational and does not replace consultation with a healthcare professional. If you experience severe symptoms, seek emergency medical attention.
