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Were you given any medication?
Did the A and E do a neurological examination or feel the need to do a CT scan ?
Are you taking the necessary precautions like bed rest and reduction in cognitive activities?
Alright. You do know that can worsen a concussion and it is advised that bed rest, avoidance of cognitive activities and plenty of sleep and good hydration be taken for at least 7 to 10 days after a concussion.
Yes, it can definitely.
Although a concussion can have symptoms that last for several weeks, it is advised that symptoms that call for attention should be discussed with and examined by a doctor.
Specially, in the event when the recommended rest and/or medication were not taken.
Since, the symptoms have continued to worsen over the course of the past few days as you have mentioned, the best course of action will be to have this checked as soon as possible. Once, anything sinister has been ruled out, you can have peace of mind and adhere to the rest recommended by the doctor.
It is unlikely to be something very serious, and is most likely worsening of the concussion symptoms due to over activity and not giving yourself time to heal. But it does require attention by a physician.
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