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Concussion

What to Expect After a Concussion

Concussion recovery isn't dark-room rest. Here's what current evidence says about activity, return-to-learn, and return-to-sport.

AIM Clinical Team · 6 min read · Updated May 6, 2026

The first 24–48 hours

Brief relative rest helps. Most current guidelines recommend gradual reintroduction of cognitive and physical activity within tolerance, rather than extended dark-room rest.

What current care looks like

Concussion care has shifted toward active rehabilitation: cervical work, vestibular and ocular rehab, sub-symptom-threshold aerobic exercise, and graded return-to-learn / work / sport progressions. Symptoms guide the pace; activity is rarely paused entirely.

Symptoms that are common (and treatable)

Headache, dizziness, fogginess, light/sound sensitivity, sleep disruption, mood changes, and exertion intolerance. Most people improve within a few weeks. When symptoms persist beyond 4 weeks (kids/teens) or 2 weeks (adults), system-specific assessment helps identify the drivers.

Return-to-learn and return-to-sport

Graded steps, with monitoring of symptoms at each level. The pace differs per person — and is usually faster than people fear once a structured plan is in place.

When to seek further care

Worsening or severe headache, repeated vomiting, escalating drowsiness, vision changes, or unusual neurological symptoms warrant immediate medical assessment.

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