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Concussion
What is a concussion?
A concussion is a type of mild traumatic brain injury that can affect how the brain functions. Concussions result from a bump, blow or jolt to the head or body that causes the brain to move quickly back and forth inside the skull. This injury to the brain can give rise to a wide range of symptoms, and recovery puts extra demands on the body.
Our approach to concussion in kids
At UCSF Benioff Children's Hospitals, our Pediatric Sports Concussion Program specializes in evaluation, diagnosis and management of all kinds of concussions. We have particular expertise in treating concussions caused by sports accidents, the most common cause in teenagers. Our team includes experts in sports medicine, physical medicine and rehabilitation, neurology, neuropsychology, neuroradiology, neurosurgery and physical therapy.
Explore what we do
New concussion guidelines promote active recovery
We follow recently updated guidelines on diagnosing and treating sports concussions in kids, which suggest starting light physical activity soon after the event.
Awards & recognition
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Ranked among the nation's best in 11 specialties
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One of the nation's best for orthopedics
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One of the nation's best for neurology & neurosurgery
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in NIH funding among U.S. neurology programs
Symptoms of concussion in kids
Concussion symptoms differ for each person and with each injury. Symptoms may not be noticeable right away – they may develop in the hours or days after an injury or when the child resumes their regular activities.
It's important to have your child see a doctor right away if they develop concussion symptoms. If your child has suffered a blow to the head, neck or body and isn't feeling normal or says that something doesn't feel right, seek help from a provider who has experience in recognizing and managing concussion.
Common symptoms of concussion in kids include:
- Headache
- Clumsiness
- Confusion
- Difficulty with memory or concentration
- Balance problems or dizziness
- Feeling sluggish, hazy, foggy or groggy
- Feeling irritable, more emotional or sad
- Nausea or vomiting
- Sensitivity to light or noise
- Double or blurry vision
- Slowed reaction time
- Sleep problems (sleeping more or less than usual or having trouble falling asleep)
- Loss of consciousness
Detecting concussion in babies and toddlers is more difficult. After a head injury, watch for:
- Changes in mood or behavior
- Excessive crying, difficult to calm or console
- Sleep changes (sleeping more or less than usual, drowsiness, difficulty falling asleep)
- Appearing dazed or mentally absent
- Signs of head pain (crying if you move their head, holding their own head, complaining that their head hurts)
Warning signs: When to seek emergency care
In rare cases, blood can collect in the brain. This requires immediate medical attention.
Call 911 or take your child straight to an emergency department if they show any of these symptoms after a jolt to the head or body:
- Headache that gets worse or doesn't go away
- Inability to wake up or persistent drowsiness
- Won't stop crying and can't be consoled (in babies or young children)
- Loss of consciousness (even if very brief)
- Numbness, weakness or decreased coordination
- One pupil larger than the other
- Refusal to eat or nurse (in babies or toddlers)
- Nausea or repeated vomiting
- Seizures or convulsions
- Slurred speech
- Unusual behavior
- Acting abnormally confused, restless or agitated
Diagnosis of concussion
Currently, there's no test to prove someone has a concussion. Concussion is diagnosed when a person suffers a blow to the head, neck or body and then experiences typical concussion symptoms.
While some patients have a head CT scan to check for signs of bleeding in the brain, brain CT and MRI scans are almost always normal following a concussion because the injury is too microscopic to be detected by these techniques.
For some children, a series of neuropsychological and neurocognitive tests may be given to assess learning and memory skills, concentration level, and the ability to think and solve problems.
Treatment of concussion
If your child may have suffered a concussion, be sure to contact a doctor right away. Getting help soon after the injury from a medical provider trained in evaluating and treating concussion may improve your child's recovery.
Treatment will depend on your child's emotional, physical and cognitive symptoms. Be aware that emotional problems, such as anxiety or depression, are common symptoms. Your provider will develop a specific treatment plan for your child and give you instructions on measures to help their brain heal and support their recovery. Follow these instructions carefully.
If you have to wait to get your child seen by a provider, you should nevertheless take steps to slow the pace of life, which is part of allowing their brain to heal. This usually means avoiding physical exercise as well as mental activities, such as studies at school; homework; playing video games or watching TV; and using smartphones, tablets or computers.
How long does concussion recovery take?
If treated correctly, 80 to 90% of people with a concussion recover within three weeks of their injury. For some people, however, symptoms can last weeks and even months. Recovery depends on:
- Age: Older adults, young children and teens usually take the longest to recover from concussions.
- General health before the concussion.
- Previous concussions: If your child has had a concussion before, they may take longer to recover.
- Severity of the concussion.
- How well the doctor's instructions for recovery are followed.
Rest helps the brain heal, so taking it easy both physically and mentally after a concussion is important. Explain to your child that regaining their stamina will take time.
Returning to activities after a concussion
Your child can gradually resume their normal routine only when their symptoms are significantly reduced and you've consulted their doctor. If your child's symptoms come back or they develop new symptoms, this means they're doing too much too soon. Stop these activities and make sure your child takes more time to rest. As the days go by, your child can expect to gradually feel better.
When your child or teen is cleared to return to school, tell their teacher or school counselor about their injury and symptoms. As your child continues to heal, they may need temporary academic accommodations, such as:
- Avoiding noisy activities
- Regular breaks in a quiet room
- No (or limited) tests and quizzes
- Reduced homework load
- Shorter school days
- Sitting out physical activities, such as recess or physical education (PE) classes
Your child shouldn't return to sports, PE class or active play (including at home) until a health care provider experienced in managing concussions has given their OK. However, your child doesn't have to wait until all their concussion symptoms are gone before starting some light exercise, such as taking walks, as long as the symptoms don't get worse.
Finally, helping your child avoid another head injury is crucial. Having a concussion increases the risk of having another one.
UCSF Benioff Children's Hospitals medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your child's doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your child's provider.