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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Profuse Sweating And Dizziness While Exercising?

I cannot find out why I get extremely hot & sweat profusely. Today while doing strength training I got light headed, dizzy and then threw up. Very weak. Am 71 & I do recumbent elliptical for 25 minutes & get my heart rate up to as high as 136 but primarily 119-129. Then I do strength training on machines for about 30-35 minutes. I ALWAYS sweat a lot but never what happened today. Other times I have had very similar situation was playing golf in mid afternoon, hiking around noon time or power washing the patio. First time I have thrown up though was today. Have my annual or 6 month checkups, heart checked recently; BP always good. Am a 5 5 female and weigh 171 having lost 26 # on weight watchers since March 1.
Fri, 5 Jun 2020
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General & Family Physician,  's  Response
Hello,

Sweating is common while having strenuous exercise. Dizziness is due to fall in blood pressure due to excess dehydration during exercise. I will advise you to have plenty of warm water in the morning daily. Drink water as much as you can during exercise.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Pramod Kokare, General & Family Physician
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What Causes Profuse Sweating And Dizziness While Exercising?

Hello, Sweating is common while having strenuous exercise. Dizziness is due to fall in blood pressure due to excess dehydration during exercise. I will advise you to have plenty of warm water in the morning daily. Drink water as much as you can during exercise. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Pramod Kokare, General & Family Physician