Factors That May Contribute to Drug-Induced Orthostatic Hypotension

Age of the patient

• just eaten a large meal?

• been sitting or lying down for some time?

• been standing motionless?

• been doing isometric exercises?

• been straining while urinating or defecating?

• drinking a large amount of alcohol?

• been exposed to a high environmental temperature (with or without high humidity)?

• made a rapid ascent to a high altitude?

• just had a hot shower or bath?

• have a fever?

• been hyperventilating?

• have cardiovascular disease?

• volume depleted (dehydrated, overdiuresed, etc)?

• have hyponatremia?

• have hypokalemia?

• have impaired hepatic drug metabolism for the drug causing hypotension?