Duration of symptoms: The duration of the symptoms of concussion vary with the individual and the condition of their brain before the concussion. Concussion symptoms may extend from minutes, to hours, days, months. Most affected are symptom free by 1 year after concussion, but symptoms may continue for years or be permanent.
Answered 9/13/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 3 answers
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