10 Warning Signs and Red Flags of Concussion

Dr. Mark discusses the 10 warning signs of concussion and the 10 critical red flags you should never ignore. Learn how to spot these life-threatening symptoms early and take action to protect athletes and loved ones. Subscribe here.


Let’s jump in!

Hey there! I’m Dr. Mark, and as a concussion specialist with years of experience dealing with athletes of all levels, I want to dive into something crucial today: recognizing the warning signs of a concussion. Concussions can happen to anyone, from professional athletes to kids playing in the backyard. Understanding the signs can be the difference between a quick recovery and serious complications.

What is a Concussion?

A concussion, also known as a mild traumatic brain injury (mTBI), occurs when a force causes the brain to move rapidly within the skull. This sudden movement can disrupt brain function, leading to various symptoms. While most concussions are not life-threatening, some can be, and that’s where knowing the red flags comes into play.

Understanding Red Flags

In medical terms, a "red flag" indicates something serious may be occurring. After a concussion, certain signs could suggest a more severe injury, such as brain swelling, spinal cord injury, or intracranial bleeding. Recognizing these signs and acting quickly is essential.

10 Critical Warning Signs You Should Never Ignore

  • Loss of Consciousness: If someone loses consciousness, even briefly, it’s a serious matter that requires immediate medical attention.

  • Severe Headache: A persistent or worsening headache following a head injury can indicate serious complications.

  • Repeated Vomiting: Vomiting can be a sign of increased pressure in the brain; it’s not something to ignore.

  • Double Vision: If someone sees double, this could indicate a serious issue that needs to be evaluated.

  • Increased Confusion: Worsening confusion or disorientation is a clear red flag that something is wrong.

  • Weakness or Numbness: If a person experiences weakness or tingling in their limbs, it could point to a spinal injury.

  • Seizures: Any seizure activity following a concussion is a medical emergency.

  • Visible Deformity: A noticeable change in the shape of the skull can indicate a fracture.

  • Agitation or Combative Behavior: Increased restlessness or irritability can suggest serious brain injury.

  • Neck Pain or Tenderness: This can point to potential spinal injuries and should be evaluated immediately.

What to Do If You Notice These Signs

If you observe any of these signs, it's crucial to act quickly. Call 911 or take the person to the nearest emergency room. Quick action can prevent long-term damage or even save a life.

Tools for Recognition

Having resources on hand as a coach, parent, or athlete is vital. The Concussion Recognition Tool 6 (CRT 6) is a fantastic resource that provides a list of symptoms to watch for. It’s a simple checklist that can help you determine if someone needs medical attention.

Additionally, I recommend using the Concussion Tracker App. This free app allows athletes to take a post-injury assessment, helps track symptoms, and connects you with concussion specialists in your area.

Final Thoughts

Remember, when in doubt, sit them out. Concussions are serious, and recognizing the warning signs early can make all the difference. If you found this information helpful, please share it with others. The more we spread awareness, the safer we can keep our athletes.

For more insights on concussion care and recovery, check out my blog on sleep after a concussion and alcohol consumption post-concussion.

Thanks for reading, and stay safe!


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