The drug midodrine is often used to raise blood pressure levels in people with ____________ orthostatic hypotension.

Midodrine is specifically indicated for the treatment of chronic orthostatic hypotension, a condition characterized by a significant drop in blood pressure when a person stands up, which can lead to dizziness, lightheadedness, and potential falls. Chronic orthostatic hypotension can be caused by various underlying health conditions, including autonomic dysfunction, certain medications, or other systemic illnesses.

This drug acts as a vasopressor; it works by constricting blood vessels, thereby increasing blood pressure and improving blood flow to the brain when standing up. The chronic nature of this condition means patients experience persistent symptoms, making long-term management crucial, which is where midodrine plays a significant role.

In contrast, mild and infrequent forms would not typically require medication like midodrine, as they may not significantly impair a person's daily activities or warrant long-term treatment. The term "any forms" is too broad, as midodrine is not indicated for every case of orthostatic hypotension, particularly if the symptoms are temporary or related to other specific causes. Thus, midodrine's use is clearly targeted toward chronic orthostatic hypotension to provide sustained relief and manage symptoms effectively.