A male client with hypertension was prescribed amlodipine. Which of these adverse effects is most important to teach the client to watch for?

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Calcium channel blockers (nifedipine, amlodipine, felodipine, nicardipine) are vasodilators used to treat hypertension and chronic stable angina. They promote relaxation of vascular smooth muscles leading to decreased systemic vascular resistance and arterial blood pressure. The most important adverse effects of calcium channel blockers include dizziness (Option B), flushing, headache, peripheral edema (Option D), and constipation. The reduced blood pressure may initially cause orthostatic hypotension. The client should be taught to change positions slowly to prevent falls. Leg elevation and compression can help to reduce the edema. Constipation should be prevented with daily exercise and increased intake of fluids, fruits/vegetables, and high-fiber foods. (Option C) Angiotensin-converting enzyme (ACE) inhibitors prevent the breakdown of bradykinin, which may produce a nonproductive cough in susceptible individuals. Discontinuation of the medication stops the cough. (Option A) Adverse effects of beta-blockers include bradycardia, bronchospasm, depression, and decreased libido with erectile dysfunction. Educational objective: Calcium channel blockers are utilized to treat hypertension and chronic stable angina. Adverse effects of these medications include dizziness, flushing, headache, peripheral edema, and constipation.

A Male Client with Hypertension Was Prescribed Amlodipine