When laying on my stomach i feel sudden pressure in my head behind my eyes & in my ears. my vision gets cloudy & i feel dizzy. goes away when i sit up?

Pressure increase: Your symptoms suggest increase in the pressure in your head which then, puts pressure on the optic nerves, the eyes, & well, everything. Increased pressure in the head occurs when pressure in the abdomen increases. This commonly happens when straining to have a BM. Lying on the abdomen is likely causing pressure increases in the head. Try your back. Questions? www.healthtap.com/drsaghafi