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Thread: Why do i feel so sick after intense cardio?

  1. #1
    Wannabebig Member
    Join Date
    Aug 2001
    Toronto, on. Canada

    Why do i feel so sick after intense cardio?

    Hi there, I've been doing hill running recently, and when i'm done, i usually feel as if i'm going to throw up and very dizzy. I take a multi-vitamin every day and usually maintain a well balanced diet???? Any ideas? In the past, when i would even do a hard mile or mile and a half, i would generally only be out of breath and tired, but not dizzy and sick.


  2. #2
    Senior Member
    Join Date
    Jun 2002
    Because its intense, look at the whole debate about cardio.

    Some believe intensity is more important than sustained workload.

    I disagree, I think some people are built for running and some arent, you dont have to run and fatigue yourself to strengthen your heart. Even if it may be the best way.

  3. #3
    Mind Over Matter Monster Muscle's Avatar
    Join Date
    Apr 2002
    Bay Area
    ahhh just keep doing it. what wont kill you will only make u stronger.
    "If you have a 10-horsepower motor and you subject it to a 12-horsepower load, it will burn out. But when you have a human body that is the equivalent of a 10-horsepower motor and you subject it to a 12-horsepower load, it eventually becomes a 12-horsepower motor."
    -Dr. L.G.

  4. #4
    Soon to be lean... Joe Black's Avatar
    Join Date
    Dec 2000
    Cambridge, England
    After a hard cardio session I often feel the same.

    Do you eat before cardio, well at least get something in perhaps an hour before? Often if i go in very light on my stomach i feel worse after.

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  5. #5
    is numero uno Saint Patrick's Avatar
    Join Date
    May 2002
    yeah it'd be a good idea to have a powerbar or something about a hour before. And stay hydrated. keep drinking water through your workout.

    Height: 5'7"
    Weight: Not Big Enough

    “Take things as they are. Punch when you have to punch. Kick when you have to kick.” — Bruce Lee

  6. #6
    Senior Member stantheman's Avatar
    Join Date
    Jun 2002
    samething happens to me, even see spots everyonce in a while.

  7. #7
    new and improved runt's Avatar
    Join Date
    Jun 2002
    St. Louis
    I feel that way all the time after any really intense workout untill the endorphins kick in and then I feel great. It just comes with the territory. You might want to work on your breathing though that might help the dizzy feeling. And as stpatrick says, stay hydrated. I try to get down at least .5 of a liter of water during a workout and another .5 right after.
    sometimes slowly

    My stats:
    Age - 43
    ht - 5' - 7"
    wt - 152 lbs
    bf% - 10.5%
    pipe dream goal 175 lbs @ 10% bf
    making the switch to power lifting

  8. #8
    Gettin Lean Goin_Big's Avatar
    Join Date
    Feb 2001
    If intense cardio makes you sick, don't do it.

    You don't even really need cardio.

    I run a mile 3 days a week because I've started to enjoy it, if you dont' like to run don't do it.

    I've lost another 6 lbs so far since I started eating less and still just lifting hard, so I really don't think cardio is needed, cuz a mile sure as hell ain't gonna burn fat.
    Beachbody coaching lets you turn your hobby into a career - Beachbody


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