Kentucky Medication Aide (KMA) State Practice Exam

Which is a common side effect of Antiparkinsonian agents?

1. Headaches

2. Orthostatic hypotension

3. Nausea

4. Insomnia

The correct answer is: Orthostatic hypotension

Orthostatic hypotension is indeed a common side effect of Antiparkinsonian agents. This occurs when a person experiences a significant drop in blood pressure when transitioning from a sitting or lying position to standing, which can lead to dizziness, lightheadedness, or even fainting. This side effect is particularly important to monitor, as it can increase the risk of falls in patients, especially the elderly or those with mobility issues. While headaches, nausea, and insomnia can occur with various medications, they are not as specifically associated with Antiparkinsonian agents as orthostatic hypotension is. Antiparkinsonian medications often impact the central nervous system, which plays a crucial role in regulating blood pressure. This effect, combined with the medications' properties, contributes to the increased incidence of orthostatic hypotension in patients using these treatments. It is essential for healthcare providers and patients to be aware of this side effect, as managing blood pressure effectively is critical to maintaining the patient's overall health and safety.