Triathlon · Public discussion

Dizzy when cycling

Started by Dwayne · · Last activity · 3 posts · 2,073 views

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Triathlon
Published
8 July 2004
Last activity
9 July 2004
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Dwayne
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  1. I've been cycling for the past 2 years about once or twice a
    week for about 2 hours at a time, around 25 miles each trip.
    For about the last 4 weeks I get really dizzy and slightly
    nauseated about 30 minutes into the ride and I have to stop
    and sit down for a while or I feel like I'm going to get
    really sick. After about 15 minutes of sitting down,
    standing doesn't help, I get slowly better and then I seem
    to do ok no matter how hard or how far I ride after that.
    Usually I eat a banana or two for breakfast with water. I've
    sometimes had a honey bun with coffee and I've been dizzy
    with either type of breakfast. I come home and check my BP
    and its about 125/75. I've had some high BP in the past but
    never to a point the Dr. wanted to put me on meds. After I
    began cycling 2 years ago the BP readings have been
    consistently low. Could it be that while cycling my BP gets
    too low? Or could it be getting too high during the ride,
    when I can't check it? I've also been riding in the mornings
    when its cooler. I live in Alabama and the summers are
    awful. 95 degrees with 90 percent humidity. I ride in the
    mornings when its about 75 degrees and about 80 percent
    humidity. Could it be the high humidity? Other riders wtih
    me, wife, brother in law, others do not experience the same
    thing. I am 41 years old and slightly overweight, 205 lbs. 6
    ft 2 inches tall. My ideal weight is about 185 - 190.

    Any advice?

  2. Bananas and honeybuns are very high sugar, then you get dizzy later? Might
    be a blood sugar problem... any diabetes-type stuff in your family?
    Try some decent food and check with your doctor... I was your age when the
    Type 2 diabetes showed up. So far I've been able to control it with diet and
    exercise.
    "Dwayne" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I've been cycling for the past 2 years about once or twice
    a week for about 2 hours at a time, around 25 miles each
    trip. For about the last 4 weeks I get really dizzy and
    slightly nauseated about 30 minutes into the ride and I
    have to stop and sit down for a while or I feel like I'm
    going to get really sick. After about 15 minutes of
    sitting down, standing doesn't help, I get slowly better
    and then I seem to do ok no matter how hard or how far I
    ride after that. Usually I eat a banana or two for
    breakfast with water. I've sometimes had a honey bun with
    coffee and I've been dizzy with either type of breakfast.
    I come home and check my BP and its about 125/75. I've had
    some high BP in the past but never to a point the Dr.
    wanted to put me on meds. After I began cycling 2 years
    ago the BP readings have been consistently low. Could it
    be that while cycling my BP gets too low? Or could it be
    getting too high during the ride, when I can't check it?
    I've also been riding in the mornings when its cooler. I
    live in Alabama and the summers are awful. 95 degrees with
    90 percent humidity. I ride in the mornings when its about
    75 degrees and about 80 percent humidity. Could it be the
    high humidity? Other riders wtih me, wife, brother in law,
    others do not experience the same thing. I am 41 years old
    and slightly overweight, 205 lbs. 6 ft 2 inches tall. My
    ideal weight is about 185 - 190.

    Any advice?

  3. It sounds like low blood sugar - otherwise known as
    'hitting the wall' in marathon terms or 'bonking' among
    cyclists. You need to eat a breakfast of foods that digest
    slowly (low GI) such as cereals. Something like Muesli with
    milk (the protein in the milk will slow the digestion)
    would be better. Then take your bananas to eat when you
    first start to feel bad and see if that helps. Also good to
    eat would be a powerbar type thing (though it doens't have
    to be the posh sports one - any muesli type bar will
    suffice). Or you could take a sports drink with you as well
    as water. Hope that helps.

    "Eric" <[email hidden]> wrote in message
    news:<[email hidden]>...

    Quoted message said:

    Bananas and honeybuns are very high sugar, then you get
    dizzy later? Might be a blood sugar problem... any diabetes-
    type stuff in your family? Try some decent food and check
    with your doctor... I was your age when the Type 2
    diabetes showed up. So far I've been able to control it
    with diet and exercise. "Dwayne" <[email hidden]>
    wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I've been cycling for the past 2 years about once or
    twice a week for about 2 hours at a time, around 25
    miles each trip. For about the last 4 weeks I get really
    dizzy and slightly nauseated about 30 minutes into the
    ride and I have to stop and sit down for a while or I
    feel like I'm going to get really sick. After about 15
    minutes of sitting down, standing doesn't help, I get
    slowly better and then I seem to do ok no matter how
    hard or how far I ride after that. Usually I eat a
    banana or two for breakfast with water. I've sometimes
    had a honey bun with coffee and I've been dizzy with
    either type of breakfast. I come home and check my BP
    and its about 125/75. I've had some high BP in the past
    but never to a point the Dr. wanted to put me on meds.
    After I began cycling 2 years ago the BP readings have
    been consistently low. Could it be that while cycling my
    BP gets too low? Or could it be getting too high during
    the ride, when I can't check it? I've also been riding
    in the mornings when its cooler. I live in Alabama and
    the summers are awful. 95 degrees with 90 percent
    humidity. I ride in the mornings when its about 75
    degrees and about 80 percent humidity. Could it be the
    high humidity? Other riders wtih me, wife, brother in
    law, others do not experience the same thing. I am 41
    years old and slightly overweight, 205 lbs. 6 ft 2
    inches tall. My ideal weight is about 185 - 190.

    Any advice?

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