Nursing care
Concussion Management, explained for the bedside and the exam
Written and reviewed by Dana Whitfield, RN, MSN · 5 min read · Updated September 2026
Short answer
Concussion management means protecting the brain from a second injury while it heals, through both physical and cognitive rest, graded return to activity, and close monitoring for worsening symptoms. Returning to sport or strenuous activity before recovery is complete risks second impact syndrome, a rare but often fatal complication. Recovery is symptom-guided, not calendar-guided.
The idea in one paragraph
A concussion is a functional brain injury, not a structural one visible on standard imaging. Neurons are metabolically disrupted, more glucose demand, less blood flow, and that mismatch is what produces headache, fogginess, light sensitivity, and slowed processing. The brain needs both physical rest and cognitive rest to recover, and pushing either domain too early prolongs symptoms or, worse, exposes the patient to a second impact before the first has resolved.
Cognitive rest means limiting screen time, reading, schoolwork, and demanding mental tasks, not just avoiding contact sport. A patient who is physically still but doing three hours of homework is not resting the injured brain. Management is staged: initial rest of 24 to 48 hours, then a gradual, symptom-guided return to normal activity, then a separate, stepwise return to sport, each following its own protocol.
Why it matters clinically
Second impact syndrome is the reason concussion protocols exist in their current form. A second blow to the head, even a mild one, sustained while the brain is still recovering from a first concussion can trigger catastrophic cerebral swelling. It is rare, but the mortality when it occurs is extremely high, and it is almost entirely preventable by keeping a symptomatic patient out of contact activity.
This is why 'they seem fine' is not a clearance criterion. Symptoms can fluctuate, worsen with exertion, or be masked by a patient eager to return to sport or school. Nurses assessing a concussed patient are screening not just for the current injury but for red flags of a more serious process, worsening headache, repeated vomiting, increasing confusion, unequal pupils, or seizure, any of which warrant urgent reassessment for intracranial haemorrhage rather than routine concussion care.
How to apply it at the bedside
On initial assessment, use a validated tool where available, SCAT5 or equivalent, to document baseline symptoms, cognitive testing, and balance. Educate the patient and family explicitly on both rest domains: no contact sport, but also no marathon gaming sessions, no cramming for exams, and reduced screen time, for the initial rest period.
As symptoms improve, guide a graded return, first to light cognitive activity like short periods of reading or schoolwork, then progressively longer academic load, and only once the patient is fully symptom-free at rest and with cognitive exertion should a separate, stepwise return-to-play protocol begin, each stage typically lasting at least 24 hours and only advancing if symptoms do not return. If symptoms recur at any stage, the patient drops back to the previous stage, not through it.
Where students get it wrong
The most common error is treating rest as purely physical, prescribing no sport while overlooking that unrestricted screen time and schoolwork are also exertion for an injured brain. A second error is assuming a normal CT or MRI rules out concussion; imaging is typically normal in concussion because the injury is functional, and a normal scan does not mean the patient is cleared to return to activity.
Students also conflate the return-to-learn and return-to-play protocols, treating them as one timeline, when they run separately and return-to-learn generally comes first since cognitive exertion tolerance must be established before physical exertion is layered on top. Finally, students under-weight that any red flag, worsening symptoms rather than gradual improvement, changes the picture entirely and requires escalation, not reassurance.
Worked examples
A 16-year-old football player was concussed during a match two days ago, feels 'mostly fine', and wants clearance to practise tomorrow. Correct action: he cannot be cleared to practise until he has been symptom-free at rest and through cognitive exertion, followed by a separate stepwise return-to-play protocol; feeling fine at rest two days out does not meet criteria for full clearance.
A 10-year-old with a mild concussion is kept out of gym class but is doing full days of screen-based remote schooling. Her headaches are worsening by afternoon each day. Correct action: reduce cognitive load, shorter school sessions with breaks, less screen time, since the pattern of worsening symptoms with sustained cognitive exertion indicates she is not ready for full academic load, even though she has no physical activity restrictions issue.
How the exam tests it
Expect NCLEX stems that describe a patient who appears clinically well but is still within the acute concussion window, testing whether you recognise that clearance requires being symptom-free through both physical and cognitive exertion, not just at rest. The correct answer usually restricts an activity the stem implies is fine, screen time, reading, an early return to sport, because the patient looks recovered.
You may also see red flag recognition items, a concussed patient with worsening headache, repeated vomiting, or new confusion, where the correct action is urgent reassessment for a more serious intracranial process rather than continued conservative concussion management. Read for the trajectory of symptoms, improving supports routine management, worsening supports escalation, and match your answer to that trajectory rather than to the single symptom mentioned in the stem.
The next step on this is the same as on everything else here: answer questions and read the rationales. Our neurological practice questions are the closest set to what this page covers.
Common questions
Does a normal CT scan rule out concussion?
No. Concussion is a functional injury and CT or MRI is typically normal. Imaging is used to exclude more serious structural injury such as haemorrhage, not to diagnose or rule out concussion itself.
What is second impact syndrome?
It is catastrophic brain swelling that can occur when a person sustains a second head injury while still recovering from a first concussion. It is rare but has a very high mortality rate, which is why symptomatic patients must be kept out of contact activity.
Is cognitive rest really necessary, or just physical rest?
Both are necessary. Reading, screen time, and schoolwork demand the same injured neural circuits as physical exertion and can worsen or prolong symptoms if resumed too early, so cognitive activity is restricted alongside physical activity during initial recovery.
How long does concussion recovery take?
It is symptom-guided rather than fixed. Many patients recover within one to four weeks, but timelines vary by age, injury severity, and history of prior concussion, and return to activity is staged according to symptom resolution rather than a set number of days.