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In general, a coma is temporary, rarely lasting more than two to four weeks. After emerging from a coma, the prognosis is varied and typically depends upon the cause of the coma and the severity of the brain injury.
For those who do recover, recovery is usually gradual. Many patients can recover fully. Some require lifelong physical and occupational therapy, while others may recover only basic function.
Medically Reviewed by a Doctor on 10/1/2015
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