A client has just been started on diltiazem hydrochloride (Cardizem SR) for high blood pressure. The nurse recognizes the client's understanding when the client states:

1. "I need to use sunscreen every day.".
2. "I will contact the health care provider immediately if I develop swelling of the hands and feet.".
3. "I can break this medication into smaller parts since it is too large to swallow.".
4. "I will take this medication only at bedtime because it makes me sleepy.".


"I need to use sunscreen every day.".

Rationale: Diltiazem hydrochloride (Cardizem SR), a calcium channel blocker, works to decrease the blood pressure. This medication can cause photosensitivity and therefore sunscreen should be worn daily. Sustained-release (SR) types of medications should not be crushed or broken. Cardizem should be taken before meals and at bedtime. Swelling of the hands and feet may occur with angiotension-converting enzyme (ACE) inhibitors, not Cardizem.

Nursing

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