A concussion is a type of traumatic brain injury. An injury to the head can affect the way your brain works. In most cases, concussions resolve within hours or days of the injury. Postconcussion syndrome (PCS) refers to continued symptoms of mild traumatic brain injury. Most often it resolves within a month, but sometimes the symptoms persist for much longer.

Treatment depends on the severity and length of time of your symptoms. Options include rest, reduced activity, various therapies, and medications.

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The exact cause of PCS is unknown. Factors that may contribute to PCS include:

  • Microscopic brain damage from a mild brain injury
  • Psychological or emotional stress that results from a mild brain injury