Concussion symptoms parents should know can save a child from long-term brain injury, missed school, and chronic post-concussion problems. Concussions in youth sports are more common than most parents realize — an estimated 1.6 to 3.8 million sports-related concussions happen each year in the U.S., and most are mild traumatic brain injuries. Recognizing the signs immediately and removing the child from play is the single most important thing a parent can do. The information below covers what to watch for, what to do, and how to support recovery.
What a Concussion Actually Is
A concussion is a brain injury caused by a bump, blow, or jolt to the head — or even a hit to the body that causes the head to whip back and forth. The brain shifts inside the skull, disrupting normal function. Most concussions don’t involve loss of consciousness, which is why so many go unrecognized.
Concussion symptoms parents should know are not always immediate. Some appear within minutes; others take hours or even a day to develop. According to the CDC’s HEADS UP program, any suspected concussion warrants immediate removal from play and evaluation by a healthcare provider trained in concussion management.
The old “shake it off” mentality is dangerous and outdated. Returning to play before full recovery dramatically increases the risk of second-impact syndrome, which can be catastrophic.
Physical Symptoms to Watch For
The most common physical symptoms of a concussion include headache, dizziness, nausea or vomiting, blurred or double vision, sensitivity to light or noise, balance problems, and feeling sluggish or “in a fog.” Any one of these after a head impact warrants immediate evaluation.
Watch the eyes — uneven pupils, difficulty tracking objects, or excessive blinking can all signal concussion. Watch the balance — does the child sway when standing still? Can they walk in a straight line?
For more on building a foundation of injury prevention before contact sports, see our guide to preventing youth sports injuries.
Cognitive and Emotional Symptoms
Cognitive symptoms can be subtler and easier to miss. A concussed child may have trouble remembering plays, struggle to follow conversations, or seem confused about the score or which quarter it is. Slower reaction times and difficulty concentrating are red flags.
Emotional symptoms include irritability, sadness, mood swings, or seeming “not themselves.” Many parents describe their child as “off” without being able to name exactly why. Trust that instinct.
According to the American Academy of Pediatrics, any change in a child’s normal cognitive or emotional functioning after a head impact should be treated as a possible concussion until proven otherwise.
Sleep and Energy Changes
Concussions affect sleep patterns and energy levels significantly. A concussed child may sleep much more than usual, have trouble falling asleep, or wake up frequently during the night. Some children become fatigued from activities they normally handle easily.
Don’t dismiss extreme fatigue after a head impact as normal. The brain uses enormous energy to heal, and unusual tiredness is one of the clearest signs that something is wrong.
Pair concussion vigilance with our advice on recovery and sleep for young athletes. Quality sleep is critical to concussion recovery — and to overall athletic development at every age.
What to Do If You Suspect a Concussion
The protocol is simple and non-negotiable. First, remove the child from play immediately. No exceptions, no “let’s see if they feel better in 10 minutes.” Second, get them evaluated by a healthcare provider trained in concussion management within 24 hours.
Third, follow the doctor’s return-to-play protocol exactly. This typically involves 24-48 hours of physical and cognitive rest, followed by gradual return-to-school and return-to-sport progressions. Skipping steps or rushing the process is dangerous.
Fourth, advocate for your child. Coaches mean well but they’re not concussion experts. If you’re not comfortable with how the situation is being handled, pull your child from play and seek medical attention. The risk of permanent damage is too high to compromise.
Frequently Asked Questions
What are the most common concussion symptoms in young athletes?
Headache, dizziness, nausea, balance problems, sensitivity to light or noise, confusion, and feeling “in a fog.” Any of these after a head impact warrants evaluation.
How long do concussions take to heal in kids?
Most concussions resolve in 7-21 days with proper rest. Children typically take longer to recover than adults, so be patient with the process.
Should my child see a doctor for every head bump?
Not every minor bump requires medical evaluation. But any impact followed by symptoms — even mild ones — should be evaluated by a doctor.
Can my child go back to school the next day after a concussion?
Usually a day or two of cognitive rest is recommended first, followed by gradual return to school activities under doctor guidance.
What’s second-impact syndrome and why is it dangerous?
A second concussion before the first has fully healed can cause severe brain swelling and even death. This is why returning to play prematurely is so dangerous.