Final answer:
Orthostatic hypotension can be caused by hypovolemia due to dehydration or medications, or by autonomic failure resulting from conditions like diabetes. Adjusting medications or managing the underlying conditions can mitigate symptoms of hypotension.
Step-by-step explanation:
Causes of Hypotension
When inquiring about what could be causing hypotension, it is important to understand the mechanisms behind blood pressure regulation. One common type of low blood pressure is orthostatic hypotension, which can happen when there is an inadequate response to the physiological changes required when a person stands up.
Hypovolemia and Medication Effects
Firstly, hypovolemia can be a contributing factor to orthostatic hypotension. Hypovolemia means there is too little blood volume, which can result from dehydration or the use of certain medications, such as diuretics or vasodilators. These medications are designed to lower blood pressure and affect fluid balance. Adjusting the medication or increasing fluid and salt intake may improve symptoms.
Autonomic Failure
Another cause of orthostatic hypotension is autonomic failure. Conditions such as diabetes or multiple system atrophy may lead to a compromised sympathetic nervous system. Treating the underlying conditions, such as by controlling blood glucose in diabetes, can improve the autonomic functions and help alleviate hypotension.
Understanding these mechanisms and addressing the root cause is essential in managing orthostatic hypotension effectively.