A concussion is a type of brain injury that requires careful management and a gradual return to sports. Understanding the signs, recovery timeline, and step-by-step clearance process helps protect young athletes from serious complications.

. The recovery and return-to-play guidance reflected superseded consensus and has been corrected against the current international consensus on concussion in sport: rest is now relative and limited to roughly the first 24 to 48 hours rather than continued until symptoms resolve; the graduated strategy has six steps with a minimum of 24 hours at each, and the first step may begin within about a day of injury; a mild, brief symptom increase (no more than about 2 points on a 0-to-10 scale, settling within an hour) is acceptable during the early steps rather than disqualifying; symptom resolution is required before the non-contact and later steps; and written medical clearance is required before unrestricted return. Typical recovery times are now stated separately for adults and for children and adolescents. The article also described a five-stage protocol while listing six stages; that contradiction is resolved.

A concussion occurs when a blow to the head or body causes the brain to move rapidly inside the skull. This movement can temporarily disrupt normal brain function, leading to symptoms like headache, confusion, dizziness, or memory problems. Concussions are common in contact sports such as football, soccer, hockey, and basketball, but they can happen in any activity.

Many young athletes want to return to their sport as quickly as possible, but rushing back after a concussion can lead to prolonged symptoms, additional injury, or rare but serious complications. The brain needs time to heal completely before it can safely handle the physical and cognitive demands of competitive sports.

This article explains how to recognize a concussion, what to expect during recovery, and the step-by-step process athletes should follow before returning to full play. Parents, coaches, and athletes all play important roles in ensuring a safe recovery.

Recognizing a Concussion

Concussions do not always involve loss of consciousness — in fact, most occur without the athlete being knocked out. Any athlete who experiences a significant blow to the head or body and shows unusual behavior or symptoms should be removed from play immediately.

Common signs include headache, dizziness, confusion, nausea, balance problems, sensitivity to light or noise, feeling foggy or slowed down, difficulty concentrating, and memory problems. Some athletes appear dazed, answer questions slowly, forget plays or assignments, or show mood changes such as irritability or sadness.

Symptoms may appear right away or develop over the following hours. Never allow an athlete to return to play on the same day if a concussion is suspected, even if symptoms seem to improve. When in doubt, sit them out and seek medical evaluation.

The Recovery Process

After a concussion is diagnosed, the current approach is a short period of relative rest — roughly the first 24 to 48 hours — rather than prolonged or strict rest in a dark room. During those first one to two days, activities that require heavy concentration, such as schoolwork, video games, texting and reading, are reduced, along with screen time and physical exertion. After that, light activity such as walking is reintroduced as tolerated, provided there is no risk of a further blow to the head. This is a change from older advice: the evidence now shows that resting until every symptom has gone tends to slow recovery, while a gradual, supervised return to light aerobic activity in the first days to weeks after injury helps recovery and reduces the chance of symptoms persisting.

Most adults recover within about two weeks, and most children and adolescents within about four weeks, but recovery time varies. Some athletes experience symptoms for weeks or months. Factors that may prolong recovery include previous concussions, severity of injury, age, and returning to activity too soon.

During recovery, athletes should get adequate sleep, avoid alcohol and recreational drugs, stay hydrated, and eat regular balanced meals. Healthcare providers may recommend accommodations at school, such as reduced workload, extra time for assignments, or scheduled breaks throughout the day.

The Graduated Return-to-Play Protocol

Return-to-play should never happen in a single step. A gradual progression allows healthcare providers to monitor for symptom recurrence at each stage. The widely accepted protocol has six steps, with a minimum of 24 hours at each step, and the first step may begin within about 24 hours of the injury. If symptoms return at any stage, the athlete should drop back to the previous level and rest.

The stages typically progress as follows: Stage 1 is light aerobic exercise such as walking or stationary cycling, with no resistance training. Stage 2 adds moderate aerobic exercise and brief jogging or moderate-intensity cycling. Stage 3 introduces sport-specific drills without head impact, such as running or skating drills. Stage 4 allows non-contact training drills, including passing drills and light resistance training. Stage 5 permits full-contact practice after medical clearance. Stage 6 is return to full competition.

This entire process takes a minimum of about one week under ideal circumstances, and often longer. An important point is frequently misunderstood: an athlete does not have to be completely symptom-free before beginning the early steps. During the first three steps, a mild and brief increase in symptoms is acceptable — no more than about 2 points on a 0-to-10 symptom scale, settling within an hour. If symptoms worsen by more than that, the athlete stops for the day and tries again the next day. Symptoms do need to have resolved before moving on to non-contact training drills and the later steps; an athlete who develops concussion symptoms during those later steps returns to the earlier step to re-establish that they can exert themselves without symptoms. Full-contact practice and unrestricted return to competition come only after written medical clearance.

The Role of Medical Clearance

Before an athlete can return to full-contact sports, they need written clearance from a qualified healthcare provider trained in concussion management — a physician, nurse practitioner, physician assistant, or athletic trainer working under physician supervision, depending on state laws and organizational policies.

The healthcare provider assesses whether symptoms have fully resolved, whether the athlete has successfully completed the return-to-play protocol, and whether any additional testing is needed. Some athletes may require specialized balance testing, cognitive assessment, or other objective measures before clearance.

Parents and coaches should never make the clearance decision on their own, even if the athlete feels fine. Only a qualified healthcare professional can properly evaluate readiness for contact sports after a concussion.

Preventing Future Concussions

While not all concussions can be prevented, certain measures reduce risk. Properly fitted protective equipment, including helmets designed for the specific sport, is essential — though no helmet can completely prevent concussions, so athletes should never assume equipment makes them invincible.

Coaches should teach and enforce proper technique, particularly for tackling, heading, checking, and falling. Athletes should follow the rules of their sport and avoid intentional head contact. Strengthening neck muscles may help reduce concussion risk in some sports by limiting head acceleration during impact.

Athletes with a history of multiple concussions face increased risk of future concussions and prolonged recovery. These athletes should have an honest conversation with their healthcare provider and family about whether continued participation in contact sports is appropriate.

Safe Return-to-Play Checklist

Athlete has been evaluated by a qualified healthcare provider after suspected concussion
Concussion symptoms have resolved before advancing to non-contact training drills and the later steps
Athlete can tolerate a full school day and homework without symptoms returning
Athlete has completed all six steps of the graduated return-to-play protocol, spending at least 24 hours at each
At least six days have passed since beginning the return-to-play steps, given the 24-hour minimum at each
Athlete has received written medical clearance from a qualified healthcare provider
Parents, coaches, and athlete understand warning signs that require immediate removal from play
Athlete is using properly fitted protective equipment appropriate for their sport

When to Contact a Clinician

Contact a healthcare provider the same day if you suspect a concussion. Schedule a follow-up if symptoms worsen, new symptoms develop, symptoms last longer than expected, or the athlete has difficulty returning to school or normal activities. Contact your provider before starting the return-to-play protocol, and again before returning to contact practice.

Questions to Ask at a Medical Visit

How long should my child avoid screen time and schoolwork?
What accommodations should we request at school during recovery?
When can my child start the return-to-play protocol?
Are there any signs that would require us to return for re-evaluation?
Does my child need any specialized testing before clearance?
Given my child's concussion history, what are the risks of continued contact sports?
What symptoms are normal during recovery, and which are concerning?

Main Takeaway

Concussion recovery requires patience, careful monitoring, and a graduated return to activity. No two concussions are identical, and what worked for one athlete may not apply to another. By following medical guidance, completing each stage of the return-to-play protocol without rushing, and obtaining proper clearance, young athletes give their brains the time needed to heal fully — minimizing the risk of prolonged symptoms while maximizing the chance of a safe return to the sports they love.

References and Further Reading

CDC HEADS UP — Concussion Safety and Recovery ↗

Clinical guidance from the American Academy of Pediatrics and the Concussion in Sport Group consensus statement on graduated return-to-play was also referenced in preparing this article.

Concussion and Return-to-Play Guidance for Young Athletes