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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Dizziness And Excessive Sweating?

I had a dizzy, nearly fainting spell today. It concluded after my clothes were saturated in sweat and my husband got me a Coke. I had worked out that morning, intense cardio and then donated plasma. I was in line at a restaurant when it happened. I have low BP, it read 92/58 when I went to donate, and that s typical for me, occasionally it s lower. This is probably not indicative of a bigger problem, likely just low blood sugar or low BP?
posted on Tue, 16 May 2017
Twitter Mon, 29 May 2017 Answered on
Twitter Tue, 30 May 2017 Last reviewed on
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General & Family Physician,  's  Response
Hi,
Thanks for the query. I understand your concern.
Intensive exercises followed by plasma donation made excessive physical exertion .. which had exhausted lot of energy & lead to low blood sugar. You have tendency for blood pressure... all of this worked together to low energy supply to body/ brain causing fainting.
If you have this blood pressure habit... you should go through investigations to assess your cardiovascular system to find the cause .. have specific treatment & adopt suitable life style to prevent recurrence.Pl. consult a heart specialist.
Thanks.
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What Causes Dizziness And Excessive Sweating?

Hi, Thanks for the query. I understand your concern. Intensive exercises followed by plasma donation made excessive physical exertion .. which had exhausted lot of energy & lead to low blood sugar. You have tendency for blood pressure... all of this worked together to low energy supply to body/ brain causing fainting. If you have this blood pressure habit... you should go through investigations to assess your cardiovascular system to find the cause .. have specific treatment & adopt suitable life style to prevent recurrence.Pl. consult a heart specialist. Thanks.