Which side effect should be warned when starting alpha-adrenergic blocker for BPH?

Enhance your readiness for the Physician Assistant Clinical Knowledge Rating and Assessment Tool (PACKRAT) 4 Exam. Utilize our flashcards and multiple-choice questions, complete with hints and explanations, to ace your upcoming test!

Multiple Choice

Which side effect should be warned when starting alpha-adrenergic blocker for BPH?

Explanation:
The key idea is that alpha-adrenergic blockers for BPH cause vasodilation by blocking alpha-1 receptors in vessels, which lowers systemic vascular resistance. This can lead to postural (orthostatic) hypotension, especially with the first dose, causing dizziness or faintness when standing. To reduce risk, advise taking the first dose at night, rising slowly from bed, and monitoring for lightheadedness. Hypertensive crisis and cancer development are not typical side effects of these medications, making postural hypotension the correct warning.

The key idea is that alpha-adrenergic blockers for BPH cause vasodilation by blocking alpha-1 receptors in vessels, which lowers systemic vascular resistance. This can lead to postural (orthostatic) hypotension, especially with the first dose, causing dizziness or faintness when standing. To reduce risk, advise taking the first dose at night, rising slowly from bed, and monitoring for lightheadedness. Hypertensive crisis and cancer development are not typical side effects of these medications, making postural hypotension the correct warning.

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