Dr Phil: My teenager gets lightheaded when she stands up

"Have other people in the family had symptoms like this in the past, particularly older sisters, mum or dad’s family? If lightheadedness runs in the family, there is less likely to be anything to worry about."

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My teenage daughter often gets lightheaded when she stands up quickly. Her face also turns deathly white whenever this happens. It passes quickly and doesn’t seem to affect her. Should I be worried?

Several factors can cause lightheadedness and pallor, but usually this is nothing to worry about.