What’s Causing Neck & Lower Back Pain after a Car Accident?

David J. Muñoz | July 13, 2026 | Car Accidents

Neck and lower back pain are among the most common injuries people experience after a car accident. While some victims feel pain immediately, others may not notice symptoms until hours or even days later. Even a seemingly minor collision can place tremendous force on the muscles, ligaments, discs, joints, and nerves that support the spine.

Understanding what may be causing your pain is important because many spinal injuries become worse without proper diagnosis and treatment. If you experience neck or lower back pain after a crash, seeking prompt medical attention can help protect both your health and your recovery.

Whiplash

One of the leading causes of neck pain after a car accident is whiplash.

Whiplash occurs when the head is suddenly thrown backward and then forward during a collision. This rapid motion overstretches the muscles, tendons, and ligaments in the neck.

Common symptoms include:

Neck pain and stiffness
Reduced range of motion
Headaches that begin at the base of the skull
Shoulder pain
Muscle tenderness
Dizziness

Although whiplash is often associated with rear-end collisions, it can occur in nearly any type of crash, including side-impact and head-on accidents.

Muscle and Ligament Strains

The force of a collision can strain or tear the soft tissues that stabilize the neck and back.

Even when there are no broken bones, muscles and ligaments may become inflamed, leading to significant discomfort.

Symptoms often include:

Aching pain
Muscle spasms
Tenderness
Stiffness
Pain that worsens with movement

Soft tissue injuries frequently improve with conservative treatment, but more severe strains may require physical therapy or additional medical care.

Herniated or Bulging Discs

Between each vertebra sits a disc that cushions the spine. A violent impact can cause one of these discs to bulge or rupture.

When a damaged disc presses against nearby nerves, it can produce pain that extends well beyond the spine.

Symptoms may include:

Sharp neck or back pain
Pain radiating into the shoulders, arms, buttocks, or legs
Numbness or tingling
Muscle weakness
Difficulty standing or walking

A herniated disc may not cause symptoms immediately, making it important to monitor your condition in the days following an accident.

Facet joints connect the vertebrae and allow the spine to bend and rotate.

The sudden forces involved in a car accident can damage these joints, causing inflammation and chronic pain.

People with facet joint injuries often experience:

Localized neck or lower back pain
Pain that worsens when twisting or bending
Stiffness after resting
Limited mobility

These injuries sometimes mimic muscle strains, making imaging studies and a thorough medical evaluation essential.

Pinched or Compressed Nerves

Inflammation, swelling, or spinal injuries can place pressure on nearby nerves.

Compressed nerves often produce symptoms that extend beyond the original injury site.

Signs of nerve involvement may include:

Burning pain
Tingling sensations
Numbness
Weakness in the arms or legs
Shooting pain traveling down an extremity

Prompt treatment can help reduce inflammation and prevent long-term nerve damage.

Spinal Fractures

High-speed or high-impact crashes can fracture one or more vertebrae.

Although some fractures are stable, others can threaten the spinal cord and require emergency treatment.

Symptoms may include:

Severe neck or back pain
Swelling
Bruising
Difficulty moving
Numbness
Loss of sensation
Weakness

Anyone experiencing severe spinal pain after an accident should seek immediate medical attention.

Spinal Cord Injuries

Although less common, spinal cord injuries are among the most serious causes of neck and lower back pain after a collision.

Damage to the spinal cord can interfere with communication between the brain and the body.

Depending on the severity of the injury, symptoms may include:

Loss of movement
Partial or complete paralysis
Loss of sensation
Difficulty controlling bladder or bowel function
Problems with balance or coordination

These injuries require emergency medical care and often involve extensive rehabilitation.

Contact the San Diego Car Accident Lawyers at Mission Personal Injury Lawyers for a Free Consultation

If your neck or back pain was caused by another driver’s negligence, you may also have the right to pursue compensation for your medical expenses, lost wages, pain and suffering, and other damages.

At Mission Personal Injury Lawyers, we understand how spinal injuries can affect every aspect of your life. Our team can investigate your accident, work with medical experts to understand the full extent of your injuries, and fight for the compensation you deserve while you focus on your recovery. Schedule a free consultation today with our San Diego car accident lawyers.

We proudly serve San Diego County and throughout California.

Mission Personal Injury Lawyers – San Diego Office
3666 Fourth Ave, San Diego, CA 92103
(619) 777-5555

Mission Personal Injury Lawyers – Chula Vista Office
690 Otay Lakes Rd #130, Chula Vista, CA 91910
(619) 722-3032

We also serve the state of Texas. For legal assistance, contact our personal injury law office in El Paso today.
Mission Personal Injury Lawyers – El Paso Office
201 E Main Suite 106, El Paso, Texas 79901
(915) 591-1000