When I Stand Up Suddenly, I Feel Dizzy — Should I Worry?

The Short Answer from a cardiologist
Standing up and feeling dizzy

Q: When I stand up suddenly, I feel dizzy. Should I worry?

A: When you stand, if your blood pressure drops temporarily, it takes some time for your vessels to clamp down and get the blood up to your brain, so you may feel temporarily dizzy.

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If that is happening consistently, then you want to make sure you get your pressure checked when you’re lying down, when you’re sitting and when you’re standing, and make sure that when you’re standing, the blood pressure is not consistently lower than when you’re lying down. That’s something to do at the doctor’s office.

It’s always good advice to take your time when you’re going from lying to a standing position, especially when you wake up in the morning, when your blood pressure’s already been low all night because you’ve been sleeping. You want to sit up, stay sitting for 30 seconds or a minute and then stand, especially if you’ve had dizziness like this in the past.

— Preventive cardiologist Haitham Ahmed, MD, MPH

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