Collpsing. Why?

[AllThatYouDreamed]

I've kept collapsing or passing out when I get up, and afterwords I'll be dizzy for while.

Not a clue why. Im eating plenty, it'll happen even after I've had a meal a bit ago, I'm not dehydrated, and other than this Im pretty healthy.

It's getting in the way of my summer.. If anyone knows or has an idea that'ed be really appreciated.

[Ambrosia]

You need to slow down how you get up. Start by sitting up straight and slowly pulling yourself to your feet. It might be caused by either high or low blood sugar, sickness, heat exhaustion, and so on.

[skater94]

It may be caused by hypotension, which more commonly know as low blood pressure. You can talk to your doctor about ECGs. ECGs measure the actitivity of your heart and they can pinpoint your heart problems. I suspect there is some sort of pressure you're putting on your body when you get up. In meantime, just take everything nice and easy.

[davisbr2]

heat?

[Jennifer's Ashes]

I get it too. Sometimes when I stand up I get a headrush and feel like fainting, especially in the morning. I think it has something to do with my heartrate. I usually hold onto something and catch my breath when it happens, but once I ignorednit and when I had walked 3 metres away I collapsed. My dad thought I was faking it so he picked me up roughly and plonked me down in a chair, then whacked me around the head. He told me I better not ever do that again.