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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Blurred Vision And Severe Headache After Hard Physical Activity?

On occasion,When I do strenuous physical activities such as playing sports, I will start getting blurry vision in either one eye or both. Its almost like I get tunnel vision which makes it hard to see at times. This blurry vision almost looks like a mirage image in the corner of my eyes. After a little time passes, I will start getting a severe headache with sharp throbbing pains going from what feels like my back wisdom tooth/jaw area, straight up through the middle, left part of my brain. It only happens in the left part of my head. I have seen a specialist and they said it might be caused by dehydration but no matter how much I hydrate before hand, it still happens. This headache will cause me to vomit. Probably the worst pain I have ever been through. What can this be? Ive been told its not a stroke or heat exhaustion as I work in heat constantly and it only happens an times I play sports. I have also had an MRA done that didn t show anything out of the normal.
posted on Sat, 8 Apr 2017
Twitter Thu, 1 Jun 2017 Answered on
Twitter Fri, 2 Jun 2017 Last reviewed on
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General & Family Physician,  's  Response
Hello, my name is Dr.Dorina Gurabardhi. I understand your concern.
Exercise stresses the body.Stress is what causes the positive results. Dizziness and vision loss may be caused by low blood pressure or low blood glucose.
Some advices that I can give to you are :
-Consume carbohydrates, such as a sports drink.
-Eat a high-carb snack or meal between 30 and 60 minutes after exercise.
-Stay hydrated
Hope my answer was helpful, if you have any other questions I'll be glad to help, thanks!
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What Causes Blurred Vision And Severe Headache After Hard Physical Activity?

Hello, my name is Dr.Dorina Gurabardhi. I understand your concern. Exercise stresses the body.Stress is what causes the positive results. Dizziness and vision loss may be caused by low blood pressure or low blood glucose. Some advices that I can give to you are : -Consume carbohydrates, such as a sports drink. -Eat a high-carb snack or meal between 30 and 60 minutes after exercise. -Stay hydrated Hope my answer was helpful, if you have any other questions I ll be glad to help, thanks!