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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is It Normal To Feel Lightheaded, Shaky With Dilated Pupil After Head Injury?

Hi, I slipped on ice and hit the back of my head. I have a tender spot but no swelling. I was shakey and litght headed at first. Now I have a slight headache more towards the front of my head. My pupils are smaller than normal, but still dialate. This happened about 4 -5 hours ago. Should I seek medical treatment?
Tue, 2 Aug 2016
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Emergency Medicine Specialist,  's  Response
Hi. The things you describe that are of concern would include feeling shaky and lightheaded with a headache. You also describe some pupillary changes, but I am not sure I understand exactly what pupillary changes you have. In your question it seems you may have a single dilated pupil, whereas this may be contradicted in your full statement of events. Given that the injury was so recent and you have the symptoms described, along with the possibility of pupillary changes, I would suggest you attend your nearest Emergency Department as an emergency to exclude a significant head or brain injury. You do not mention a loss of consciousness, which is reassuring, however, I would get checked out as a priority.
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Is It Normal To Feel Lightheaded, Shaky With Dilated Pupil After Head Injury?

Hi. The things you describe that are of concern would include feeling shaky and lightheaded with a headache. You also describe some pupillary changes, but I am not sure I understand exactly what pupillary changes you have. In your question it seems you may have a single dilated pupil, whereas this may be contradicted in your full statement of events. Given that the injury was so recent and you have the symptoms described, along with the possibility of pupillary changes, I would suggest you attend your nearest Emergency Department as an emergency to exclude a significant head or brain injury. You do not mention a loss of consciousness, which is reassuring, however, I would get checked out as a priority.