Cardiovascular pharmacology · USMLE Step 1

Which antihypertensive class typically causes ankle edema and headache due to arteriolar dilation?

  1. Beta-blockers
  2. ACE inhibitors
  3. Calcium channel blockers
  4. Loop diuretics
Show answer and explanation

Correct answer: Calcium channel blockers

Calcium channel blockers cause arteriolar vasodilation, which can lead to increased capillary hydrostatic pressure and edema; vasodilation may also trigger headache.

Difficulty: Medium Question 7 of 20

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