Orthostatic hypotension causes the blood pressure to quickly drop...increased fluid intake and medication was prescribed. Your husband's doctor should be told about the dizziness.

More fluids, c9mpression socks and/or medication

Hat did they suggest he do?

My husband has had spells of this nature and the doctors stated orthostatic hypotension as the cause.

Checkhks blood pressure sitting and then standing. Orthostatic hypotension.