A member asked:

What could be the cause? i sneezed and when i sneezed i got lightheaded and dizzy.

A doctor has provided 1 answer
Dr. Ira Friedlander answered

Specializes in Cardiac Electrophysiology

This is normal: physiology. When you sneeze you increase the pressure inside your chest which reduces the blood flow returning to your heart. This means that for a few beats your heart is less full and therefore your blood pressure and flow to your brain reduces. This makes you (and everyone else in the world) dizzy.

Answered 7/5/2018

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