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Victor C. Mitchener, Attorney

Joseph H. Downer, Attorney

When your child is hit by a car on a bike: what parents should watch for

On Behalf of | Jun 25, 2026 | Bicycle Accidents

Few moments are more frightening than seeing your child struck by a vehicle while riding a bicycle. Even in the best of scenarios where your child stands up and insists they are fine, they may have hidden injuries. The following will provide tips for parents who find themselves working through this type of situation.

Start with safety and the obvious, then look deeper

Call 911 if there is any loss of consciousness, confusion, severe pain, heavy bleeding, vomiting, trouble breathing or suspected neck or back injury. Even “minor” collisions can involve significant forces, especially when a child is thrown from the bike.

Before you leave the scene check for these immediate concerns:

  • Head impact, helmet damage, dizziness or headache  
  • Limping, refusal to bear weight or guarding an arm  
  • Abdominal pain, chest pain or unusual bruising  
  • Cuts that may need stitches and road rash that can become infected

These signs justify prompt evaluation, but they are not the whole story.

Do not overlook the following medical realities 

Some of the most damaging injuries are the ones that evolve. Parents should monitor closely for changes and seek re-evaluation if symptoms appear or worsen. Commonly missed issues that deserve special attention can include:

  • Concussion symptoms that appear later: irritability, light sensitivity, nausea, slowed thinking, trouble concentrating or new headaches  
  • Dental and jaw injuries: chipped teeth, loose teeth, jaw pain, bite changes or difficulty opening the mouth  
  • Growth plate injuries: pain near a joint, swelling or reduced range of motion even when X-rays look normal  
  • Internal injuries: increasing belly pain, vomiting, faintness, pale skin or unusual fatigue  
  • PTSD and anxiety: fear of riding, clinginess, panic, mood swings or avoidance of the crash location  
  • Sleep changes: nightmares, insomnia, sleeping far more than usual or waking frequently

If any of these appear, contact your pediatrician or return to urgent care or the emergency department. 

Why documentation and follow-up matter

Thorough documentation helps doctors track symptoms over time and it is important if you later need to show the full impact of the crash. Keep a simple log of pain levels, sleep, school difficulties, emotional changes and missed activities. Save discharge papers, referrals, prescriptions and receipts. Take photos of injuries as they heal and of damaged equipment like the helmet and bicycle.

After a bicycle collision with a car, do not rely on first impressions. Watch for delayed symptoms, insist on appropriate follow-up and document the recovery. The goal is straightforward: protect your child’s health now and preserve a clear record in case you pursue legal action later.