3 doctors weighed in:

Why do I feel light headed after sitting?

3 doctors weighed in
Dr. Walter Pierce
Internal Medicine - Cardiology
2 doctors agree

In brief: Low blood pressure

Blood pools in your legs while sitting.
If you stand the body tells the veins and arteries to squeeze in the legs. If your dehydrated or have other conditions the response may not be strong enough to get blood to your brain.

In brief: Low blood pressure

Blood pools in your legs while sitting.
If you stand the body tells the veins and arteries to squeeze in the legs. If your dehydrated or have other conditions the response may not be strong enough to get blood to your brain.
Dr. Walter Pierce
Dr. Walter Pierce
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