An older adult patient is taking a sustained-release antihypertensive drug. What is the nurse's priority teaching point about this medication?
A) "Take your blood pressure only at night."
B) "Swallow the drug whole and do not to cut, crush, or chew it."
C) "Take the drug before bedtime."
D) "Use over-the-counter (OTC) drugs to control headache or cold symptoms."
B
Feedback:
Sustained-release drugs are suspended in a matrix system that allows a steady release of the drug over time. Sustained-release drugs cannot be cut, crushed, or chewed; it destroys the matrix system and allows absorption of the complete dose all at once. Older patients should be especially cautioned about sustained-release antihypertensives that cannot be cut, crushed, or chewed to avoid the potential for excessive dosing if these drugs are inappropriately cut. Many OTC drugs contain ingredients that increase blood pressure and so are not recommended for patients with hypertension. The patient can take his or her blood pressure any time during the day but should take the drug in the morning.
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