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Light headed and faintness after exercise and diet change.

Resolved Question:

Hello, I am a dedicated fitness enthusiast and do cardio workout 90 minutes per day 7 days a week. I'm in very good physical condition and am not overweight

The last two days I've only been able to get through 30 minutes of my workout before feeling very light-headed and faint. Maybe like a drop in blood pressure?

I've recently changed my diet in the last two weeks to mostly protein.

Would this have anything to do with my cardio problems?

Thanks

Category: Internal Medicine Specialist

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Category: HIV- AIDS Specialist
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Hello. Thank you for posting your query at DoctorSpring.com
I understand your concern.
Light-headedness in the middle of the work out can be indicative of a lot of factors, but the commonest as you rightly pointed out is hypotension, or fall in BP, due to excessive loss of salts through your sweat. It can be because of exhaustion of such a strenuous work out. A lot of people drink a lot of water while working out, but it is not just the water you lose, it is also a lot of salt that goes out of the body, hence making the person feel weak and light headed. You need to cut down on your work-out schedule for a few days, or reduce the duration and make sure you're adequately hydrated before you start the workout.
Kindly be very careful, because there have been cases of people passing out during their work outs due to hypotension. Protein has no direct relation, however protein does make a person pee a lot, hence increasing the chances of them getting dehydrated quicker. Hence it is advised to drink more water than normal, in people consuming such protein supplements, also to prevent formation of renal stones in the future.
Hope this was helpful,
Regards


Dr. Jaydeep Tripathy
Category: HIV- AIDS Specialist
Experience: 
MBBS from Sri Ramachandra University in December 2011
M.Med (Family Medicine) - TNMGR University, Chennai
MBA-MPH in Public Health in March 2016, SRM University
Finished AFIH in March 2016, SRM University
MRCP ( UK ), Internal Medicine, Royal College of Physicians, June 2016
Fellowship in Diabetology from Martin Luther University in January 2017

Currently Resident Physician, in MD Radiodiagnosis - Kamakshi Memorial Hospital, Chennai
Dr. Jaydeep Tripathy and 4 other Medical Specialists are ready to help you

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